Important notice Dear Customer, On 7 February 2017 the former NXP Standard Product business became a new company with the tradename Nexperia. Nexperia is an industry leading supplier of Discrete, Logic and PowerMOS semiconductors with its focus on the automotive, industrial, computing, consumer and wearable application markets In data sheets and application notes which still contain NXP or Philips Semiconductors references, use the references to Nexperia, as shown below. Instead of http://www.nxp.com, http://www.philips.com/ or http://www.semiconductors.philips.com/, use http://www.nexperia.com Instead of sales.addresses@www.nxp.com or sales.addresses@www.semiconductors.philips.com, use salesaddresses@nexperia.com (email) Replace the copyright notice at the bottom of each page or elsewhere in the document, depending on the version, as shown below: - (c) NXP N.V. (year). All rights reserved or (c) Koninklijke Philips Electronics N.V. (year). All rights reserved Should be replaced with: - (c) Nexperia B.V. (year). All rights reserved. If you have any questions related to the data sheet, please contact our nearest sales office via e-mail or telephone (details via salesaddresses@nexperia.com). Thank you for your cooperation and understanding, Kind regards, Team Nexperia 74HC4538-Q100; 74HCT4538-Q100 Dual retriggerable precision monostable multivibrator Rev. 2 -- 23 December 2015 Product data sheet 1. General description The 74HC4538-Q100; 74HCT4538-Q100 are high-speed Si-gate CMOS devices and are pin compatible with Low-power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC4538-Q100; 74HCT4538-Q100 are dual retriggerable-resettable monostable multivibrators. Each multivibrator has: * * * * * an active LOW trigger/retrigger input (nA) an active HIGH trigger/retrigger input (nB) an overriding active LOW direct reset input (nCD) an output (nQ) and its complement (nQ) two pins (nREXT/CEXT and nCEXT) for connecting the external timing components CEXT and REXT Typical pulse width variation over the specified temperature range is 0.2 %. The multivibrator may be triggered by either the positive or the negative edges of the input pulse. The duration and accuracy of the output pulse are determined by the external timing components CEXT and REXT. The output pulse width (tW) is equal to 0.7 REXT CEXT. The linear design techniques guarantee precise control of the output pulse width. A LOW level at nCD terminates the output pulse immediately. Schmitt trigger action on pins nA and nB makes the circuit highly tolerant of slower rise and fall times. This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications. 2. Features and benefits Automotive product qualification in accordance with AEC-Q100 (Grade 1) Specified from 40 C to +85 C and from 40 C to +125 C Tolerant of slow trigger rise and fall times Separate reset inputs Triggering from falling or rising edge ESD protection: MIL-STD-883, method 3015 exceeds 2000 V HBM JESD22-A114F exceeds 2000 V MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0 ) Multiple package options NXP Semiconductors 74HC4538-Q100; 74HCT4538-Q100 Dual retriggerable precision monostable multivibrator 3. Ordering information Table 1. Ordering information Type number 74HC4538D-Q100 Package Temperature range Name Description Version 40 C to +125 C SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1 40 C to +125 C TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1 74HCT4538D-Q100 74HC4538PW-Q100 74HCT4538PW-Q100 4. Functional diagram 2 1REXT/CEXT 1 1CEXT 5 1A 4 1B 3 6 1Q 7 2Q 10 2Q 9 1CD 14 2REXT/CEXT 15 2CEXT 11 2A 12 2B 13 1Q 2CD 001aae727 Fig 1. Functional diagram 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 2 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator nB nA VCC nREXT/CEXT Vref1 enable nCEXT GND nCD power-on reset VCC Vref2 enable nQ nQ mba338 GND Fig 2. Logic diagram (one multivibrator) 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 3 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator 5. Pinning information 5.1 Pinning +&4 +&74 &(;7 9&& 5(;7&(;7 &(;7 &' 5(;7&(;7 % +&4 +&74 &' &(;7 9&& 5(;7&(;7 &(;7 &' 5(;7&(;7 $ % % &' 4 $ $ % 4 $ 4 4 *1' 4 *1' 4 4 DDD Fig 3. 4 DDD Pin configuration for SO16 Fig 4. Pin configuration for TSSOP16 5.2 Pin description Table 2. Pin description Symbol Pin Description 1CEXT, 2CEXT 1, 15 external capacitor connection (always connected to ground) 1REXT/CEXT, 2REXT/CEXT 2, 14 external capacitor/resistor connection 1CD, 2CD 3, 13 direct reset input (active LOW) 1B, 2B 4, 12 input (LOW to HIGH triggered) 1A, 2A 5, 11 input (HIGH to LOW triggered) 1Q, 2Q 6, 10 output 1Q, 2Q 7, 9 complementary output (active LOW) GND 8 ground (0 V) VCC 16 supply voltage 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 4 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator 6. Functional description Table 3. Function table Inputs Outputs nA nB nCD L H H H X X L [1] nQ nQ L H H = HIGH voltage level; L = LOW voltage level; X = don't care; = positive-going transition; = negative-going transition; = one HIGH level output pulse, with the pule width determined by CEXT and REXT; = one LOW level output pulse, with the pulse width determined by CEXT and REXT. (1) (1) (2) (1) nB input (3) nA input (4) nCD input nREXT/CEXT input Vref2 Vref1 Vref1 Vref2 nQ output T T (5) T 001aae737 (1) Positive edge triggering. (2) Positive edge retriggering (pulse lengthening). (3) Negative edge triggering. (4) Reset (pulse shortening). (5) T = 0.7 REXT CEXT (see also Figure 6). Fig 5. Timing diagram 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 5 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator CEXT REXT VCC GND nCEXT nREXT/CEXT nA nB nQ T nQ T = 0.7 x REXT x CEXT nCD Fig 6. 001aak192 Connection of the external timing components REXT and CEXT 7. Limiting values Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol Parameter VCC supply voltage Conditions Min Max Unit 0.5 +7.0 V - 20 mA - 20 mA - 25 mA input clamping current VI < 0.5 V or VI > VCC + 0.5 V [1] IOK output clamping current VO < 0.5 V or VO > VCC + 0.5 V [1] IO output current VO = 0.5 V to VCC + 0.5 V ICC supply current - +50 mA IGND ground current 50 - mA Tstg storage temperature 65 +150 C Ptot total power dissipation IIK Tamb = 40 C to +125 C SO16 package [2] - 500 mW TSSOP16 package [3] - 500 mW [1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed. [2] Ptot derates linearly with 8 mW/K above 70 C. [3] Ptot derates linearly with 5.5 mW/K above 60 C. 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 6 of 23 NXP Semiconductors 74HC4538-Q100; 74HCT4538-Q100 Dual retriggerable precision monostable multivibrator 8. Recommended operating conditions Table 5. Recommended operating conditions Voltages are referenced to GND (ground = 0 V) Symbol Parameter Conditions 74HC4538-Q100 74HCT4538-Q100 Unit Min Typ Max Min Typ Max 2.0 5.0 6.0 4.5 5.0 5.5 V input voltage 0 - VCC 0 - VCC V output voltage 0 - VCC 0 - VCC V VCC supply voltage VI VO Tamb ambient temperature t/V input transition rise and fall rate 40 - +125 40 - +125 VCC = 2.0 V - - 625 - - - ns/V C VCC = 4.5 V - 1.67 139 - 1.67 139 ns/V VCC = 6.0 V - - 83 - - - ns/V 9. Static characteristics Table 6. Static characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter 25 C Conditions 40 C to +85 C 40 C to +125 C Unit Min Typ Max Min Max Min Max VCC = 2.0 V 1.5 1.2 - 1.5 - 1.5 - V 74HC4538-Q100 VIH VIL VOH VOL II HIGH-level input voltage LOW-level input voltage HIGH-level output voltage LOW-level output voltage input leakage current 74HC_HCT4538_Q100 Product data sheet VCC = 4.5 V 3.15 2.4 - 3.15 - 3.15 - V VCC = 6.0 V 4.2 3.2 - 4.2 - 4.2 - V VCC = 2.0 V - 0.8 0.5 - 0.5 - 0.5 V VCC = 4.5 V - 2.1 1.35 - 1.35 - 1.35 V VCC = 6.0 V - 2.8 1.8 - 1.8 - 1.8 V IO = 20 A; VCC = 2.0 V 1.9 2.0 - 1.9 - 1.9 - V IO = 20 A; VCC = 4.5 V 4.4 4.5 - 4.4 - 4.4 - V VI = VIH or VIL IO = 20 A; VCC = 6.0 V 5.9 6.0 - 5.9 - 5.9 - V IO = 4.0 mA; VCC = 4.5 V 3.98 4.32 - 3.84 - 3.7 - V IO = 5.2 mA; VCC = 6.0 V 5.48 5.81 - 5.34 - 5.2 - V IO = 20 A; VCC = 2.0 V - 0 0.1 - 0.1 - 0.1 V IO = 20 A; VCC = 4.5 V - 0 0.1 - 0.1 - 0.1 V IO = 20 A; VCC = 6.0 V - 0 0.1 - 0.1 - 0.1 V IO = 4.0 mA; VCC = 4.5 V - 0.15 0.26 - 0.33 - 0.4 V IO = 5.2 mA; VCC = 6.0 V VI = VIH or VIL - 0.16 0.26 - 0.33 - 0.4 V VI = VCC or GND; VCC = 6.0 V - - 0.1 - 1 - 1 A pin nREXT/CEXT; VI = 2.0 V or GND; other inputs at VCC or GND; VCC = 6.0 V [1] - - 0.5 - 5 - 10 A All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 7 of 23 NXP Semiconductors 74HC4538-Q100; 74HCT4538-Q100 Dual retriggerable precision monostable multivibrator Table 6. Static characteristics ...continued At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter ICC supply current CI input capacitance 25 C Conditions VI = VCC or GND; IO = 0 A; VCC = 6.0 V 40 C to +85 C 40 C to +125 C Unit Min Typ Max Min Max Min Max - - 8.0 - 80 - 160 A - 3.5 - - - - - pF 74HCT4538-Q100 VIH HIGH-level input voltage VCC = 4.5 V to 5.5 V 2.0 1.6 - 2.0 - 2.0 - V VIL LOW-level input voltage VCC = 4.5 V to 5.5 V - 1.2 0.8 - 0.8 - 0.8 V VOH HIGH-level output voltage VI = VIH or VIL; VCC = 4.5 V IO = 20 A 4.4 4.5 - 4.4 - 4.4 - V IO = 4.0 mA 3.98 4.32 - 3.84 - 3.7 - V IO = 20 A; VCC = 4.5 V - 0 0.1 - 0.1 - 0.1 V IO = 4.0 mA; VCC = 4.5 V - 0.15 0.26 - 0.33 - 0.4 V VI = VCC or GND; VCC = 5.5 V - - 0.1 - 1 - 1 A pin nREXT/CEXT; VI = 2.0 V or GND; other inputs at VCC or GND; VCC = 5.5 V [1] - - 0.5 - 5 - 10 A - - 8.0 - 80 - 160 A pin nA, nB - 50 180 - 225 - 245 A pin nCD - 65 234 - 293 - 319 A - 3.5 - - - - - pF LOW-level output voltage VOL input leakage current II VI = VIH or VIL; VCC = 4.5 V ICC supply current VI = VCC or GND; IO = 0 A; VCC = 5.5 V ICC additional supply current VI = VCC 2.1 V; IO = 0 A; other inputs at VCC or GND; VCC = 4.5 V to 5.5 V CI [1] input capacitance This measurement can only be carried out after a trigger pulse is applied. 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 8 of 23 NXP Semiconductors 74HC4538-Q100; 74HCT4538-Q100 Dual retriggerable precision monostable multivibrator 10. Dynamic characteristics Table 7. Dynamic characteristics Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 9. Symbol Parameter 25 C Conditions 40 C to +85 C 40 C to +125 C Unit Min Typ[1] Max Min Max Min Max VCC = 2.0 V - 85 265 - 330 - 400 ns VCC = 4.5 V - 31 53 - 66 - 80 ns VCC = 5.0 V; CL = 15 pF - 27 - - - - - ns VCC = 6.0 V - 25 45 - 56 - 68 ns VCC = 2.0 V - 83 265 - 340 - 400 ns VCC = 4.5 V - 30 53 - 68 - 80 ns VCC = 6.0 V - 24 45 - 58 - 68 ns - 83 265 - 330 - 400 ns 74HC4538-Q100 tPLH LOW to HIGH propagation delay nA, nB to nQ; see Figure 7 nCD to nQ; see Figure 7 tPHL HIGH to LOW propagation delay nA, nB to nQ; see Figure 7 VCC = 2.0 V VCC = 4.5 V - 30 53 - 66 - 80 ns VCC = 5.0 V; CL = 15 pF - 27 - - - - - ns VCC = 6.0 V - 24 45 - 56 - 68 ns VCC = 2.0 V - 80 265 - 330 - 400 ns VCC = 4.5 V - 29 53 - 66 - 80 ns - 23 45 - 56 - 68 ns nCD to nQ; see Figure 7 VCC = 6.0 V tt transition time 74HC_HCT4538_Q100 Product data sheet nQ and nQ; see Figure 7 [2] VCC = 2.0 V - 19 75 - 95 - 119 ns VCC = 4.5 V - 7 15 - 19 - 22 ns VCC = 6.0 V - 6 13 - 16 - 19 ns All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 9 of 23 NXP Semiconductors 74HC4538-Q100; 74HCT4538-Q100 Dual retriggerable precision monostable multivibrator Table 7. Dynamic characteristics ...continued Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 9. Symbol Parameter tW pulse width 25 C Conditions 40 C to +85 C 40 C to +125 C Unit Min Typ[1] Max Min Max Min Max VCC = 2.0 V 80 17 - 100 - 120 - ns VCC = 4.5 V 16 6 - 20 - 24 - ns VCC = 6.0 V 14 5 - 17 - 20 - ns VCC = 2.0 V 80 17 - 100 - 120 - ns VCC = 4.5 V 16 6 - 20 - 24 - ns VCC = 6.0 V 14 5 - 17 - 20 - ns VCC = 2.0 V 80 19 - 100 - 120 - ns VCC = 4.5 V 16 7 - 20 - 24 - ns VCC = 6.0 V 14 6 - 17 - 20 - ns 630 700 770 602 798 595 805 s nA LOW; see Figure 8 nB HIGH; see Figure 8 nCD LOW; see Figure 8 nQ and nQ HIGH or LOW; see Figure 8 VCC = 5.0 V; CEXT = 0.1 F; REXT = 10 k trec trtrig REXT recovery time retrigger time external resistance CEXT external capacitance CPD power dissipation capacitance 74HC_HCT4538_Q100 Product data sheet nCD to nA, nB; see Figure 8 VCC = 2.0 V 35 6 - 45 - 55 - ns VCC = 4.5 V 7 2 - 9 - 11 - ns VCC = 6.0 V 6 2 - 8 - 9 - ns VCC = 2.0 V - 455 + X - - - - - ns VCC = 4.5 V - 80 + X - - - - - ns VCC = 6.0 V - 55 + X - - - - - ns VCC = 2.0 V 10 - 1000 - - - - k VCC = 5.0 V 2 - 1000 - - - - k - - - pF nA, nB; see Figure 8; X = CEXT / (4.5 VCC) no limits per multivibrator; VI = GND to VCC [3] - 136 - All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 - (c) NXP Semiconductors N.V. 2015. All rights reserved. 10 of 23 NXP Semiconductors 74HC4538-Q100; 74HCT4538-Q100 Dual retriggerable precision monostable multivibrator Table 7. Dynamic characteristics ...continued Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 9. Symbol Parameter 25 C Conditions Min 40 C to +85 C Typ[1] Max 40 C to +125 C Min Max Min Max Unit 74HCT4538-Q100 tPLH LOW to HIGH propagation delay nA, nB to nQ; see Figure 7 VCC = 4.5 V - 35 60 - 75 - 90 ns VCC = 5.0 V; CL = 15 pF - 30 - - - - - ns - 35 60 - 75 - 90 ns VCC = 4.5 V - 35 60 - 75 - 90 ns VCC = 5.0 V; CL = 15 pF - 30 - - - - - ns - 35 60 - 75 - 90 ns - 7 15 - 19 - 21 ns 20 11 - 25 - 30 - ns 16 5 - 20 - 24 - ns 20 11 - 25 - 30 - ns 630 700 770 602 798 595 805 s 7 2 - 9 - 11 - ns nCD to nQ; see Figure 7 VCC = 4.5 V tPHL HIGH to LOW propagation delay nA, nB to nQ; see Figure 7 nCD to nQ; see Figure 7 VCC = 4.5 V tt transition time nQ and nQ; see Figure 7 VCC = 4.5 V tW pulse width [2] nA LOW; see Figure 8 VCC = 4.5 V nB HIGH; see Figure 8 VCC = 4.5 V nCD LOW; see Figure 8 VCC = 4.5 V nQ and nQ HIGH or LOW; see Figure 8 VCC = 5.0 V; CEXT = 0.1 F; REXT = 10 k trec recovery time nCD to nA, nB; see Figure 8 VCC = 4.5 V trtrig retrigger time VCC = 4.5 V - 80 + X - - - - - ns REXT external resistance VCC = 5.0 V 2 - 1000 - - - - k CEXT external capacitance VCC = 5.0 V 74HC_HCT4538_Q100 Product data sheet nA, nB; see Figure 8; X = CEXT / (4.5 VCC) no limits All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 11 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator Table 7. Dynamic characteristics ...continued Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 9. Symbol Parameter CPD [1] 25 C Conditions power dissipation capacitance per multivibrator; VI = GND to (VCC 1.5 V) [3] 40 C to +85 C 40 C to +125 C Min Typ[1] Max Min Max Min Max - 138 - - - - - Unit pF Typical values are measured at nominal supply voltage (VCC = 3.3 V and VCC = 5.0 V). [2] tt is the same as tTHL and tTLH. [3] CPD is used to determine the dynamic power dissipation (PD in W). PD = CPD VCC2 fi + (CL VCC2 fo) + 0.48 CEXT VCC2 fo + D 0.8 VCC where: fi = input frequency in MHz; fo = output frequency in MHz; (CL VCC2 fo) = sum of the outputs; CL = output load capacitance in pF; VCC = supply voltage in V; D = duty cycle factor in %; CEXT = external timing capacitance in pF. 11. Waveforms VI nB input GND VM tW VI nA input VM GND tW VI nCD input GND VM tPLH VOH nQ output VM VOL tPHL tPLH VY VX tTHL tPHL VM tPHL tTLH VOH nQ output tPLH VY VM VX VOL 001aak194 Measurement points are given in Table 8. Logic levels: VOL and VOH are typical output levels that occur with the output load. Fig 7. Waveforms showing propagation delays and transition times 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 12 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator VI nCD input VM GND trec tW tW VI nA input VM GND tW VI nB input VM GND trtrig VOH VM nQ, nQ output VOL tW 001aak195 Measurement points are given in Table 8. Logic levels: VOL and VOH are typical output levels that occur with the output load. Fig 8. Table 8. Waveforms showing nA, nB, nQ, nQ pulse widths, recovery and retrigger times Measurement points Type Input Output VM VM VX VY 74HC4538-Q100 0.5VCC 0.5VCC 0.1VCC 0.9VCC 74HCT4538-Q100 1.3 V 1.3 V 0.1VCC 0.9VCC 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 13 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator VI tW 90 % negative pulse VM 0V tf tr tr tf VI 90 % positive pulse 0V VM 10 % VM VM 10 % tW VCC VCC G VI VO RL S1 open DUT CL RT 001aad983 Test data is given in Table 9. Definitions test circuit: RT = Termination resistance should be equal to output impedance Zo of the pulse generator. CL = Load capacitance including jig and probe capacitance. RL = Load resistance. S1 = Test selection switch Fig 9. Table 9. Test circuit for measuring switching times Test data Type Input VI Load tr, tf CL S1 position RL tPHL, tPLH 74HC4538-Q100 VCC 6 ns 15 pF, 50 pF 1 k open 74HCT4538-Q100 3V 6 ns 15 pF, 50 pF 1 k open 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 14 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator 12. Application information 12.1 Power-down considerations A large capacitor (CEXT) may cause problems when powering-down the monostable due to energy stored in this capacitor. When a system containing this device is powered-down or rapid decrease of VCC to zero occurs, the monostable may sustain damage, due to the capacitor discharging through the input protection diodes. To avoid this possibility, use a damping diode (DEXT) preferably a germanium or Schottky type diode able to withstand large current surges and connect as shown in Figure 10 DEXT CEXT REXT VCC GND nCEXT nREXT/CEXT 001aak193 Fig 10. Power-down protection circuit 12.2 Graphs 001aak196 1.6 1 k 2 k 5.6 k 51 k 1 M normalized K factor (K) 1.12 REXT x CEXT (tW) 1.2 0.84 1.0 0.70 0.8 0.56 0.6 10-10 10-9 10-8 10-7 10-6 0.42 10-4 10-5 CEXT (F) VCC = 4.5 V; Tamb = 25 C. Fig 11. Typical pulse width accuracy versus external capacitance 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 15 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator 001aak197 1.6 1.12 REXT x CEXT (tW) normalized K factor (K) 1.2 0.84 1 nF 1.0 0.70 > 100 nF 0.8 0.56 0.6 103 104 0.42 106 105 REXT () VCC = 4.5 V; Tamb = 25 C. Fig 12. Typical pulse width accuracy versus external resistance 001aak198 1.6 1.12 REXT x CEXT (tW) normalized K factor (K) 0.84 1.2 +10 % REXT 1.0 0.70 -10 % 0.56 0.8 0.6 10-10 10-9 10-8 10-7 10-6 0.42 10-4 10-5 CEXT (F) VCC = 4.5 V; REXT = 10 k; Tamb = 25 C. Fig 13. Typical pulse width accuracy versus external capacitance 001aak199 1.7 normalized K factor (K) 2 k 1 k 1.19 REXT x CEXT (tW) 5.6 k 1.3 0.91 10 k 1.1 0.77 1 M 0.9 0.63 0.7 0.49 1 2 3 4 5 6 VCC (V) CEXT = 1 nF; Tamb = 25 C. Fig 14. Typical pulse width accuracy versus power supply 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 16 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator 001aak200 1.7 1.19 REXT x CEXT (tW) normalized K factor (K) 1 k 1.3 0.91 2 k 5.6 k 1 M 1.1 0.77 0.9 0.63 0.7 0.49 1 2 3 4 5 6 VCC (V) CEXT = 100 nF; Tamb = 25 C. Fig 15. Typical pulse width accuracy versus power supply 001aak201 1.7 REXT x CEXT (tW) 1 k normalized K factor (K) 2 k 1.3 1.19 0.91 5.6 k 1.1 0.77 1 M 0.9 0.7 -50 0.63 0 50 0.49 150 100 Tamb (C) VCC = 4.5 V; CEXT = 1 nF; Tamb = 25 C. Fig 16. Typical pulse width accuracy versus temperature 001aak202 1.7 1.19 REXT x CEXT (tW) normalized K factor (K) 1.3 0.91 1.1 0.77 1 k 2 k 5.6 k 1 M 0.9 0.7 -50 0 50 0.63 0.49 150 100 Tamb (C) VCC = 4.5 V; CEXT = 1 F; Tamb = 25 C. Fig 17. Typical pulse width accuracy versus temperature 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 17 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator 13. Package outline SO16: plastic small outline package; 16 leads; body width 3.9 mm SOT109-1 D E A X c y HE v M A Z 16 9 Q A2 A (A 3) A1 pin 1 index Lp 1 L 8 e 0 detail X w M bp 2.5 5 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (1) e HE L Lp Q v w y Z (1) mm 1.75 0.25 0.10 1.45 1.25 0.25 0.49 0.36 0.25 0.19 10.0 9.8 4.0 3.8 1.27 6.2 5.8 1.05 1.0 0.4 0.7 0.6 0.25 0.25 0.1 0.7 0.3 0.01 0.019 0.0100 0.39 0.014 0.0075 0.38 0.039 0.016 0.028 0.020 inches 0.010 0.057 0.069 0.004 0.049 0.16 0.15 0.05 0.244 0.041 0.228 0.01 0.01 0.028 0.004 0.012 8o o 0 Note 1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. REFERENCES OUTLINE VERSION IEC JEDEC SOT109-1 076E07 MS-012 JEITA EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-19 Fig 18. Package outline SOT109-1 (SO16) 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 18 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1 E D A X c y HE v M A Z 9 16 Q (A 3) A2 A A1 pin 1 index Lp L 1 8 e detail X w M bp 0 2.5 5 mm scale DIMENSIONS (mm are the original dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (2) e HE L Lp Q v w y Z (1) mm 1.1 0.15 0.05 0.95 0.80 0.25 0.30 0.19 0.2 0.1 5.1 4.9 4.5 4.3 0.65 6.6 6.2 1 0.75 0.50 0.4 0.3 0.2 0.13 0.1 0.40 0.06 8o o 0 Notes 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. 2. Plastic interlead protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT403-1 REFERENCES IEC JEDEC JEITA MO-153 EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-18 Fig 19. Package outline SOT403-1 (TSSOP16) 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 19 of 23 74HC4538-Q100; 74HCT4538-Q100 NXP Semiconductors Dual retriggerable precision monostable multivibrator 14. Abbreviations Table 10. Abbreviations Acronym Description CMOS Complementary Metal-Oxide Semiconductor DUT Device Under Test ESD ElectroStatic Discharge HBM Human Body Model LSTTL Low-power Schottky Transistor-Transistor Logic MM Machine Model TTL Transistor-Transistor Logic MIL Military 15. Revision history Table 11. Revision history Document ID Release date 74HC_HCT4538_Q100 v.2 20151223 Modifications: * Product data sheet Change notice Supersedes Product data sheet - 74HC_HCT4538_Q100 v.1 - - CPD formula corrected (errata). 74HC_HCT4538_Q100 v.1 20120802 74HC_HCT4538_Q100 Data sheet status Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 20 of 23 NXP Semiconductors 74HC4538-Q100; 74HCT4538-Q100 Dual retriggerable precision monostable multivibrator 16. Legal information 16.1 Data sheet status Document status[1][2] Product status[3] Definition Objective [short] data sheet Development This document contains data from the objective specification for product development. Preliminary [short] data sheet Qualification This document contains data from the preliminary specification. Product [short] data sheet Production This document contains the product specification. [1] Please consult the most recently issued document before initiating or completing a design. [2] The term `short data sheet' is explained in section "Definitions". [3] The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status information is available on the Internet at URL http://www.nxp.com. 16.2 Definitions Draft -- The document is a draft version only. The content is still under internal review and subject to formal approval, which may result in modifications or additions. NXP Semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information. Short data sheet -- A short data sheet is an extract from a full data sheet with the same product type number(s) and title. A short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. For detailed and full information see the relevant full data sheet, which is available on request via the local NXP Semiconductors sales office. In case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail. Product specification -- The information and data provided in a Product data sheet shall define the specification of the product as agreed between NXP Semiconductors and its customer, unless NXP Semiconductors and customer have explicitly agreed otherwise in writing. In no event however, shall an agreement be valid in which the NXP Semiconductors product is deemed to offer functions and qualities beyond those described in the Product data sheet. 16.3 Disclaimers Limited warranty and liability -- Information in this document is believed to be accurate and reliable. However, NXP Semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. NXP Semiconductors takes no responsibility for the content in this document if provided by an information source outside of NXP Semiconductors. In no event shall NXP Semiconductors be liable for any indirect, incidental, punitive, special or consequential damages (including - without limitation - lost profits, lost savings, business interruption, costs related to the removal or replacement of any products or rework charges) whether or not such damages are based on tort (including negligence), warranty, breach of contract or any other legal theory. Notwithstanding any damages that customer might incur for any reason whatsoever, NXP Semiconductors' aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the Terms and conditions of commercial sale of NXP Semiconductors. Right to make changes -- NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof. 74HC_HCT4538_Q100 Product data sheet Suitability for use -- NXP Semiconductors products are not designed, authorized or warranted to be suitable for use in life support, life-critical or safety-critical systems or equipment, nor in applications where failure or malfunction of an NXP Semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. NXP Semiconductors and its suppliers accept no liability for inclusion and/or use of NXP Semiconductors products in such equipment or applications and therefore such inclusion and/or use is at the customer's own risk. Applications -- Applications that are described herein for any of these products are for illustrative purposes only. NXP Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Customers are responsible for the design and operation of their applications and products using NXP Semiconductors products, and NXP Semiconductors accepts no liability for any assistance with applications or customer product design. It is customer's sole responsibility to determine whether the NXP Semiconductors product is suitable and fit for the customer's applications and products planned, as well as for the planned application and use of customer's third party customer(s). Customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products. NXP Semiconductors does not accept any liability related to any default, damage, costs or problem which is based on any weakness or default in the customer's applications or products, or the application or use by customer's third party customer(s). Customer is responsible for doing all necessary testing for the customer's applications and products using NXP Semiconductors products in order to avoid a default of the applications and the products or of the application or use by customer's third party customer(s). NXP does not accept any liability in this respect. Limiting values -- Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 60134) will cause permanent damage to the device. Limiting values are stress ratings only and (proper) operation of the device at these or any other conditions above those given in the Recommended operating conditions section (if present) or the Characteristics sections of this document is not warranted. Constant or repeated exposure to limiting values will permanently and irreversibly affect the quality and reliability of the device. Terms and conditions of commercial sale -- NXP Semiconductors products are sold subject to the general terms and conditions of commercial sale, as published at http://www.nxp.com/profile/terms, unless otherwise agreed in a valid written individual agreement. In case an individual agreement is concluded only the terms and conditions of the respective agreement shall apply. NXP Semiconductors hereby expressly objects to applying the customer's general terms and conditions with regard to the purchase of NXP Semiconductors products by customer. No offer to sell or license -- Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 21 of 23 NXP Semiconductors 74HC4538-Q100; 74HCT4538-Q100 Dual retriggerable precision monostable multivibrator Export control -- This document as well as the item(s) described herein may be subject to export control regulations. Export might require a prior authorization from competent authorities. Non-automotive qualified products -- Unless this data sheet expressly states that this specific NXP Semiconductors product is automotive qualified, the product is not suitable for automotive use. It is neither qualified nor tested in accordance with automotive testing or application requirements. NXP Semiconductors accepts no liability for inclusion and/or use of non-automotive qualified products in automotive equipment or applications. In the event that customer uses the product for design-in and use in automotive applications to automotive specifications and standards, customer (a) shall use the product without NXP Semiconductors' warranty of the product for such automotive applications, use and specifications, and (b) whenever customer uses the product for automotive applications beyond NXP Semiconductors' specifications such use shall be solely at customer's own risk, and (c) customer fully indemnifies NXP Semiconductors for any liability, damages or failed product claims resulting from customer design and use of the product for automotive applications beyond NXP Semiconductors' standard warranty and NXP Semiconductors' product specifications. Translations -- A non-English (translated) version of a document is for reference only. The English version shall prevail in case of any discrepancy between the translated and English versions. 16.4 Trademarks Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. 17. Contact information For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com 74HC_HCT4538_Q100 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 2 -- 23 December 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 22 of 23 NXP Semiconductors 74HC4538-Q100; 74HCT4538-Q100 Dual retriggerable precision monostable multivibrator 18. Contents 1 2 3 4 5 5.1 5.2 6 7 8 9 10 11 12 12.1 12.2 13 14 15 16 16.1 16.2 16.3 16.4 17 18 General description . . . . . . . . . . . . . . . . . . . . . . 1 Features and benefits . . . . . . . . . . . . . . . . . . . . 1 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2 Pinning information . . . . . . . . . . . . . . . . . . . . . . 4 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4 Functional description . . . . . . . . . . . . . . . . . . . 5 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 6 Recommended operating conditions. . . . . . . . 7 Static characteristics. . . . . . . . . . . . . . . . . . . . . 7 Dynamic characteristics . . . . . . . . . . . . . . . . . . 9 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Application information. . . . . . . . . . . . . . . . . . 15 Power-down considerations . . . . . . . . . . . . . . 15 Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 18 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 20 Legal information. . . . . . . . . . . . . . . . . . . . . . . 21 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 21 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Contact information. . . . . . . . . . . . . . . . . . . . . 22 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section `Legal information'. (c) NXP Semiconductors N.V. 2015. All rights reserved. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com Date of release: 23 December 2015 Document identifier: 74HC_HCT4538_Q100