74AHC125; 74AHCT125 Quad buffer/line driver; 3-state Rev. 04 -- 11 January 2008 Product data sheet 1. General description The 74AHC125; 74AHCT125 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard JESD7-A. The 74AHC125; 74AHCT125 provides four non-inverting buffer/line drivers with 3-state outputs. The 3-state outputs (nY) are controlled by the output enable input (nOE). A HIGH at nOE causes the outputs to assume a high-impedance OFF-state. The 74AHC125; 74AHCT125 is identical to the 74AHC126; 74AHCT126 but has active LOW enable inputs. 2. Features Balanced propagation delays All inputs have a Schmitt-trigger action Inputs accepts voltages higher than VCC For 74AHC125 only: operates with CMOS input levels For 74AHCT125 only: operates with TTL input levels ESD protection: HBM JESD22-A114E exceeds 2000 V MM JESD22-A115-A exceeds 200 V CDM JESD22-C101C exceeds 1000 V Multiple package options Specified from -40 C to +85 C and from -40 C to +125 C 3. Ordering information Table 1. Ordering information Type number Package Temperature range Name Description Version 74AHC125D -40 C to +125 C SO14 plastic small outline package; 14 leads; body width 3.9 mm SOT108-1 -40 C to +125 C TSSOP14 plastic thin shrink small outline package; 14 leads; body width 4.4 mm SOT402-1 -40 C to +125 C DHVQFN14 plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; 14 terminals; body 2.5 x 3 x 0.85 mm 74AHCT125D 74AHC125PW 74AHCT125PW 74AHC125BQ 74AHCT125BQ SOT762-1 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state 4. Functional diagram 1Y 2 1A 1 1OE 2 2Y 5 2A 4 2OE 3 1 6 1 3 EN1 5 6 4 9 3A 3Y 8 9 10 3OE 12 4A 8 10 4Y 11 nY nA 12 11 13 4OE 13 nOE mna229 mna228 Fig 1. Logic symbol mna227 Fig 2. IEC logic symbol Fig 3. Logic diagram (one buffer) 5. Pinning information 5.1 Pinning terminal 1 index area 1 74AHC125 74AHCT125 1Y 3 12 4A 2OE 4 11 4Y 2A 5 10 3OE 2Y 6 9 3A GND 7 8 3Y 2 13 4OE 1Y 3 12 4A 2OE 4 2A 5 2Y 6 11 4Y GND(1) 10 3OE 9 8 2 1A 3Y 1A 14 VCC 13 4OE 7 1 GND 1OE 14 VCC 1OE 74AHC125 74AHCT125 3A 001aah082 Transparent top view 001aae755 (1) The die substrate is attached to this pad using conductive die attach material. It can not be used as a supply pin or input. Fig 4. Pin configuration SO14 and TSSOP14 Fig 5. Pin configuration DHVQFN14 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 2 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state 5.2 Pin description Table 2. Pin description Symbol Pin Description 1OE 1 output enable input (active LOW) 1A 2 data input 1Y 3 data output 2OE 4 output enable input (active LOW) 2A 5 data input 2Y 6 data output GND 7 ground (0 V) 3Y 8 data output 3A 9 data input 3OE 10 output enable input (active LOW) 4Y 11 data output 4A 12 data input 4OE 13 output enable input (active LOW) VCC 14 supply voltage 6. Functional description Table 3. Function table[1] Control Input Output nOE nA nY L L L H H X Z H [1] H = HIGH voltage level; L = LOW voltage level; X = don't care; Z = high-impedance OFF-state. 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 VI input voltage Conditions Min Max Unit -0.5 +7.0 V -0.5 +7.0 V -20 - mA - 20 mA - 25 mA input clamping current VI < -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 - 75 mA IGND ground current -75 - mA IIK 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 3 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state Table 4. Limiting values ...continued In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Tstg storage temperature Ptot total power dissipation Min Max Unit -65 +150 C Tamb = -40 C to +125 C SO14 package [2] - 500 mW TSSOP14 package [3] - 500 mW DHVQFN14 package [4] - 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. [4] Ptot derates linearly with 4.5 mW/K above 60 C. 8. Recommended operating conditions Table 5. Recommended operating conditions Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions 74AHC125 74AHCT125 Unit Min Typ Max Min Typ Max 2.0 5.0 5.5 4.5 5.0 5.5 V VCC supply voltage VI input voltage 0 - 5.5 0 - 5.5 V VO output voltage 0 - VCC 0 - VCC V Tamb ambient temperature -40 +25 +125 -40 +25 +125 C t/V input transition rise and fall rate VCC = 3.3 V 0.3 V - - 100 - - - ns/V VCC = 5.0 V 0.5 V - - 20 - - 20 ns/V 9. Static characteristics Table 6. Static characteristics 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 - - 1.5 - 1.5 - V VCC = 3.0 V 2.1 - - 2.1 - 2.1 - V VCC = 5.5 V 3.85 - - 3.85 - 3.85 - V VCC = 2.0 V - - 0.5 - 0.5 - 0.5 V VCC = 3.0 V - - 0.9 - 0.9 - 0.9 V VCC = 5.5 V - - 1.65 - 1.65 - 1.65 V For type 74AHC125 VIH VIL HIGH-level input voltage LOW-level input voltage 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 4 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state Table 6. Static characteristics ...continued Voltages are referenced to GND (ground = 0 V). Symbol Parameter VOH VOL 25 C Conditions -40 C to +85 C -40 C to +125 C Unit Min Typ Max Min Max Min Max HIGH-level VI = VIH or VIL output voltage IO = -50 A; VCC = 2.0 V 1.9 2.0 - 1.9 - 1.9 - V IO = -50 A; VCC = 3.0 V 2.9 3.0 - 2.9 - 2.9 - V IO = -50 A; VCC = 4.5 V 4.4 4.5 - 4.4 - 4.4 - V IO = -4.0 mA; VCC = 3.0 V 2.58 - - 2.48 - 2.40 - V IO = -8.0 mA; VCC = 4.5 V 3.94 - - 3.8 - 3.70 - V LOW-level VI = VIH or VIL output voltage IO = 50 A; VCC = 2.0 V - 0 0.1 - 0.1 - 0.1 V IO = 50 A; VCC = 3.0 V - 0 0.1 - 0.1 - 0.1 V IO = 50 A; VCC = 4.5 V - 0 0.1 - 0.1 - 0.1 V IO = 4.0 mA; VCC = 3.0 V - - 0.36 - 0.44 - 0.55 V IO = 8.0 mA; VCC = 4.5 V - - 0.36 - 0.44 - 0.55 V IOZ OFF-state VI = VIH or VIL; output current VO = VCC or GND; VCC = 5.5 V - - 0.25 - 2.5 - 10.0 A II input leakage current - - 0.1 - 1.0 - 2.0 A ICC supply current VI = VCC or GND; IO = 0 A; VCC = 5.5 V - - 2.0 - 20 - 40 A CI input capacitance - 3.0 10 - 10 - 10 pF CO output capacitance - 4.0 - - - - - pF VI = 5.5 V or GND; VCC = 0 V to 5.5 V For type 74AHCT125 VIH HIGH-level input voltage VCC = 4.5 V to 5.5 V 2.0 - - 2.0 - 2.0 - V VIL LOW-level input voltage VCC = 4.5 V to 5.5 V - - 0.8 - 0.8 - 0.8 V VOH HIGH-level VI = VIH or VIL; VCC = 4.5 V output voltage IO = -50 A IO = -8.0 mA VOL LOW-level VI = VIH or VIL; VCC = 4.5 V output voltage IO = 50 A IO = 8.0 mA IOZ OFF-state per input pin; VI = VIH or VIL; output current VCC = 5.5 V; IO = 0 A 4.4 4.5 - 4.4 - 4.4 - V 3.94 - - 3.8 - 3.70 - V - 0 0.1 - 0.1 - 0.1 V - - 0.36 - 0.44 - 0.55 V - - 0.25 - 2.5 - 10.0 A - - 0.1 - 1.0 - 2.0 A - - 2.0 - 20 - 40 A VO = VCC or GND; other pins at VCC or GND II input leakage current VI = 5.5 V or GND; VCC = 0 V to 5.5 V ICC supply current VI = VCC or GND; IO = 0 A; VCC = 5.5 V 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 5 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state Table 6. Static characteristics ...continued 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 ICC additional per input pin; supply current VI = VCC - 2.1 V; IO = 0 A; other pins at VCC or GND; VCC = 4.5 V to 5.5 V - - 1.35 - 1.5 - 1.5 mA CI input capacitance - 3.0 10 - 10 - 10 pF CO output capacitance - 4.0 - - - - - pF 10. Dynamic characteristics Table 7. Dynamic characteristics GND = 0 V; For test circuit see Figure 8. Symbol Parameter 25 C Conditions Min Typ[1] CL = 15 pF - CL = 50 pF - -40 C to +85 C -40 C to +125 C Unit Max Min Max Min Max 4.4 8.0 6.2 11.5 1.0 9.5 1.0 11.5 ns 1.0 13.0 1.0 14.5 ns - 3.0 5.5 1.0 6.5 1.0 7.0 ns - 4.3 7.5 1.0 8.5 1.0 9.5 ns CL = 15 pF - 4.7 8.0 1.0 9.5 1.0 11.5 ns CL = 50 pF - 6.8 11.5 1.0 13.0 1.0 14.5 ns - 3.3 5.1 1.0 6.0 1.0 6.5 ns - 4.7 7.1 1.0 8.0 1.0 9.0 ns CL = 15 pF - 6.7 9.7 1.0 11.5 1.0 12.5 ns CL = 50 pF - 9.6 13.2 1.0 15.0 1.0 16.5 ns - 4.8 6.8 1.0 8.0 1.0 8.5 ns - 6.8 8.8 1.0 10.0 1.0 11.0 ns - 10 - - - - - pF For type 74AHC125 tpd propagation delay nA to nY; see Figure 6 [2] VCC = 3.0 V to 3.6 V VCC = 4.5 V to 5.5 V CL = 15 pF CL = 50 pF ten enable time nOE to nY; see Figure 7 [2] VCC = 3.0 V to 3.6 V VCC = 4.5 V to 5.5 V CL = 15 pF CL = 50 pF tdis disable time nOE to nY; see Figure 7 [2] VCC = 3.0 V to 3.6 V VCC = 4.5 V to 5.5 V CL = 15 pF CL = 50 pF CPD power CL = 50 pF; fi = 1 MHz; dissipation VI = GND to VCC capacitance [3] 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 6 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state Table 7. Dynamic characteristics ...continued GND = 0 V; For test circuit see Figure 8. Symbol Parameter 25 C Conditions -40 C to +85 C -40 C to +125 C Unit Min Typ[1] Max Min Max Min Max CL = 15 pF - 3.0 5.5 1.0 6.5 1.0 7.0 ns CL = 50 pF - 4.3 7.5 1.0 8.5 1.0 9.5 ns - 3.4 5.1 1.0 6.0 1.0 6.5 ns - 4.9 7.3 1.0 8.3 1.0 9.5 ns - 4.5 6.8 1.0 8.0 1.0 8.5 ns - 6.5 8.8 1.0 10.0 1.0 11.0 ns - 12 - - - - - pF For type 74AHCT125 tpd ten propagation delay enable time [2] nA to nY; see Figure 6 VCC = 4.5 V to 5.5 V nOE to nY; see Figure 7 VCC = 4.5 V to 5.5 V CL = 15 pF CL = 50 pF tdis disable time [2] nOE to nY; see Figure 7 VCC = 4.5 V to 5.5 V CL = 15 pF CL = 50 pF CPD [3] power CL = 50 pF; fi = 1 MHz; dissipation VI = GND to VCC capacitance [1] Typical values are measured at nominal supply voltage (VCC = 3.3 V and VCC = 5.0 V). [2] tpd is the same as tPLH and tPHL. ten is the same as tPZL and tPZH. tdis is the same as tPLZ and tPHZ. [3] CPD is used to determine the dynamic power dissipation (PD in W). PD = CPD x VCC2 x fi x N + (CL x VCC2 x fo) where: fi = input frequency in MHz, fo = output frequency in MHz CL = output load capacitance in pF VCC = supply voltage in Volts N = number of inputs switching (CL x VCC2 x fo) = sum of the outputs. 11. Waveforms VI VM nA input GND tPHL tPLH VOH VM nY output VOL mna230 Measurement points are given in Table 8. VOL and VOH are typical voltage output levels that occur with the output load. Fig 6. Propagation delay input (nA) to output (nY) 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 7 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state VI nOE input VM GND tPLZ tPZL VCC output LOW-to-OFF OFF-to-LOW VM VX VOL tPHZ VOH tPZH VY output HIGH-to-OFF OFF-to-HIGH GND VM outputs enabled outputs disabled outputs enabled mna362 Measurement points are given in Table 8. VOL and VOH are typical voltage output levels that occur with the output load. Fig 7. Enable and disable times Table 8. Measurement points Type Input Output VM VM VX VY 74AHC125 0.5VCC 0.5VCC VOL + 0.3 V VOL - 0.3 V 74AHCT125 1.5 V 0.5VCC VOL + 0.3 V VOL - 0.3 V 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 8 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state VI tW 90 % negative pulse VM 0V tf tr tr tf VI 90 % positive pulse 0V VM 10 % VM VM 10 % tW VCC VCC PULSE GENERATOR VI VO RL S1 open DUT RT CL 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 8. Load circuit for switching times Table 9. Test data Type Input Load S1 position VI tr, tf CL RL tPHL, tPLH tPZH, tPHZ tPZL, tPLZ 74AHC125 VCC 3.0 ns 15 pF, 50 pF 1 k open GND VCC 74AHCT125 3.0 V 3.0 ns 15 pF, 50 pF 1 k open GND VCC 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 9 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state 12. Package outline SO14: plastic small outline package; 14 leads; body width 3.9 mm SOT108-1 D E A X c y HE v M A Z 8 14 Q A2 A (A 3) A1 pin 1 index Lp 1 L 7 e detail X w M bp 0 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 8.75 8.55 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 0.35 0.014 0.0075 0.34 0.16 0.15 0.010 0.057 inches 0.069 0.004 0.049 0.05 0.244 0.039 0.041 0.228 0.016 0.028 0.024 0.01 0.01 0.028 0.004 0.012 o 8 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 SOT108-1 076E06 MS-012 JEITA EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-19 Fig 9. Package outline SOT108-1 (SO14) 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 10 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state TSSOP14: plastic thin shrink small outline package; 14 leads; body width 4.4 mm SOT402-1 E D A X c y HE v M A Z 8 14 Q (A 3) A2 A A1 pin 1 index Lp L 1 7 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 0.72 0.38 8 o 0 o 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 SOT402-1 REFERENCES IEC JEDEC JEITA EUROPEAN PROJECTION ISSUE DATE 99-12-27 03-02-18 MO-153 Fig 10. Package outline SOT402-1 (TSSOP14) 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 11 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state DHVQFN14: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; SOT762-1 14 terminals; body 2.5 x 3 x 0.85 mm A B D A A1 E c detail X terminal 1 index area terminal 1 index area C e1 e 2 6 y y1 C v M C A B w M C b L 1 7 Eh e 14 8 13 9 Dh X 0 2.5 5 mm scale DIMENSIONS (mm are the original dimensions) UNIT A(1) max. A1 b 1 0.05 0.00 0.30 0.18 mm c D (1) Dh E (1) Eh 0.2 3.1 2.9 1.65 1.35 2.6 2.4 1.15 0.85 e 0.5 e1 L v w y y1 2 0.5 0.3 0.1 0.05 0.05 0.1 Note 1. Plastic or metal protrusions of 0.075 mm maximum per side are not included. REFERENCES OUTLINE VERSION IEC JEDEC JEITA SOT762-1 --- MO-241 --- EUROPEAN PROJECTION ISSUE DATE 02-10-17 03-01-27 Fig 11. Package outline SOT762-1 (DHVQFN14) 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 12 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state 13. Abbreviations Table 10. Abbreviations Acronym Description CMOS Complementary Metal Oxide Semiconductor LSTTL Low-power Schottky Transistor-Transistor Logic ESD ElectroStatic Discharge HBM Human Body Model MM Machine Model CDM Charge-Device Model TTL Transistor-Transistor Logic 14. Revision history Table 11. Revision history Document ID Release date Data sheet status Change notice Supersedes 74AHC_AHCT125_4 20080111 Product data sheet - 74AHC_AHCT125_3 Modifications: * The format of this data sheet has been redesigned to comply with the new identity guidelines of NXP Semiconductors. * * * * Legal texts have been adapted to the new company name where appropriate. Section 3: DHVQFN14 package added. Section 7: derating values added for DHVQFN14 package. Section 12: outline drawing added for DHVQFN14 package. 74AHC_AHCT125_3 20060324 Product data sheet - 74AHC_AHCT125_2 74AHC_AHCT125_2 19990927 Product specification - 74AHC_AHCT125_N_1 74AHC_AHCT125_N_1 19990111 Product specification - - 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 13 of 15 74AHC125; 74AHCT125 NXP Semiconductors Quad buffer/line driver; 3-state 15. Legal information 15.1 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. 15.2 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. 15.3 Disclaimers General -- 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. 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. Suitability for use -- NXP Semiconductors products are not designed, authorized or warranted to be suitable for use in medical, military, aircraft, space or life support 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 accepts 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. Limiting values -- Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 60134) may cause permanent damage to the device. Limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the Characteristics sections of this document is not implied. Exposure to limiting values for extended periods may affect device reliability. Terms and conditions of 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, including those pertaining to warranty, intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writing by NXP Semiconductors. In case of any inconsistency or conflict between information in this document and such terms and conditions, the latter will prevail. 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. 15.4 Trademarks Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. 16. Contact information For additional information, please visit: http://www.nxp.com For sales office addresses, send an email to: salesaddresses@nxp.com 74AHC_AHCT125_4 Product data sheet (c) NXP B.V. 2008. All rights reserved. Rev. 04 -- 11 January 2008 14 of 15 NXP Semiconductors 74AHC125; 74AHCT125 Quad buffer/line driver; 3-state 17. Contents 1 2 3 4 5 5.1 5.2 6 7 8 9 10 11 12 13 14 15 15.1 15.2 15.3 15.4 16 17 General description . . . . . . . . . . . . . . . . . . . . . . 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Ordering information . . . . . . . . . . . . . . . . . . . . . 1 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2 Pinning information . . . . . . . . . . . . . . . . . . . . . . 2 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3 Functional description . . . . . . . . . . . . . . . . . . . 3 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 3 Recommended operating conditions. . . . . . . . 4 Static characteristics. . . . . . . . . . . . . . . . . . . . . 4 Dynamic characteristics . . . . . . . . . . . . . . . . . . 6 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 10 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 13 Legal information. . . . . . . . . . . . . . . . . . . . . . . 14 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 14 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Contact information. . . . . . . . . . . . . . . . . . . . . 14 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section `Legal information'. (c) NXP B.V. 2008. 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: 11 January 2008 Document identifier: 74AHC_AHCT125_4