June 1989 (AV vational Semiconductor 54125/DM54125/DM74125 Quad TRI-STATE Buffers General Description This device contains four independent gates each of which To minimize the possibility that two outputs will attempt to performs a non-inverting buffer function. The outputs have take a common bus to opposite logic levels, the disable time the TRI-STATE feature. When enabled, the outputs exhibit is shorter than the enable time of the outputs. the low impedance characteristics of a standard TTL output with additional drive capability at the high Logic level to per- Features mit the driving of bus lines without external pull-up resistors. B Alternate Military/Aerospace device (54125) is avail- When disabled, both the output transistors are turned off able. Contact a National Semiconductor Sales Office/ presenting a high-impedance state to the bus line. Thus the Distributor for specifications. output will act neither as a significant load nor as a driver. Connection Diagram Dual-In-Line Package Veo C4 AS Y4 C3 AS YB 14 13 12 11 10 |e |e 1 2 3 4 5 io |? ci at Yt c2 A2 Y2 GND TL/F/6540~-1 Order Number 54125DMQB, 54125FMQB, DM54125J, DM54125W or DM74125N See NS Package Number J14A, N14A or W14B Function Table Y=A Inputs Output A c Y L L L H L H x H Hi-Z H = High Logic Level L = Low Logic Level X = Either Low or High Logic Level Hi-Z = TRI-STATE (Outputs are disabled) TRI-STATE is a regi of National i Gs 1995 National Semiconductor Corporation TL/F/6540 RRD-B30M105/Printed in U. S.A. Si9}jNg ALVLS-1H1 PEND ScLPZING/SZLPSING/SZ2LPSAbsolute Maximum Ratings (note) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications. Supply Voltage 7V Input Voltage 5.5V Operating Free Air Temperature Range DM54 and 54 55C to + 125C DM74 Storage Temperature Range OC to +70C 65C to + 150C Note: The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaran- teed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics table are not guaranteed at the absolute maximum ratings. The Recommended Operating Conditions table will define the conditions for actual device operation. Recommended Operating Conditions Symbol Parameter DM54125 DM74125 Units Min Nom Max Min Nom Max Voc Supply Voltage 45 5 5.5 4.75 5 5.25 v Vi High Level Input Voltage 2 2 Vv Vit Low Level Input Voltage 0.8 0.8 Vv lou High Level Output Current -2 5.2 mA lot Low Level Output Current 16 16 mA Ta Free Air Operating Temperature 55 125 0 70 C Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units (Note 1) vi Input Clamp Voltage Voc = Min, | = 12mA 1.5 Vv VOH High Level Output Voc = Min, lon = Max 2A 33 Vv Voltage Vit = Max, Viq = Min . : VoL Low Level Output Voc = Min, lo, = Max 0.2 0.4 Vv Voltage Vin = Min, Vit = Max , , I Input Current @ Max Voc = Max, V, = 5.5V 1 mA Input Voltage 4H High Level Input Current Voc = Max, V; = 2.4V 40 pA tit Low Level Input Current Voc = Max, V, = 0.4V 16 mA hze Off-State Input Current Voc = Max, V; = 0.4V with Low Level Input 40 pA Voltage Applied loZH Off-State Output Current Voc = Max, Vo = 2.4V with High Level Output Vin = Min, Vit = Max 40 pA Voltage Applied lozL Off-State Output Current Voc = Max, Vo = 0.4V with Low Level Output Vin = Min, Vit = Max 40 pA Voltage Applied los Short Circuit Voc = Max DM54 30 70 mA Output Current (Note 2) DM74 98 ~70 loc Supply Current Voc = Max (Note 3) 36 54 mA Note 1: All typicals are at Voc = 5V, Ta = 25C. Note 2: Not more than one output should be shorted at a time. Note 3: loc is measured with the output control (C) inputs at 4.5V, the data inputs grounded, and the outputs open.Switching Characteristics at Voc = 5v and Ta = 25C (See Section 1 for Test Waveforms and Output Load) RL = 4000 Symbol Parameter CL = 5pF CL = 50 pF Units Min Max Min Max tPLH Propagation Delay Time 15 ns Low to High Level Output tPHL Propagation Delay Time 18 ns High to Low Level Output tpzH Output Enable Time to 18 ns High Level Output tpze Output Enable Time to 25 ns Low Level Output tpHZ Output Disable Time from 8 ns High Level Output tpLz Output Disable Time from 14 ns Low Level Output Physical Dimensions inches (millimeters) 0.785 (19.939) MAX 0.025 fe) _f3)_ f2)] Fy [io] [3] [8] ODN 0.220-0.310 Smee a 0.290-0.320 0.005 0.200 (7.3668.128) (0.17 GLASS 0.060 +0.005 eee (5.080) | - . i (1,524 +0.127) MAX 9 920-0.060 0.180 ay H a t (0.508-1.524) (4.572) ff ' { 95 46 8694" wi j 10 MAX 0.0080.012 _ 0.2030.305 jj osro-oai | 0.018 20. ore so.an3 || 0.125.200 (7.874-10.41) 0.098 (0.457 40.076) a a9R Re DANI (2.485) (3.175-5.080) MAX BOTH ENDS 0.100 +0.010 0.150 (2.540 +0.254) Gan MIN J14A (REV G) 14-Lead Ceramic Dual-In-Line Package (J) Order Number 54125DMQB or DM54125J NS Package Number J14A54125/DM54125/DM74125 Quad TRI-STATE Buffers Physical Dimensions: inches (mitimeters) (Continued) 0,740 0.770 (78.8019 56) | 9.090 (2.286) > ammmmmib i INDEX _ AREA ~ , 0.250+0.010 (6.350+0.254) vO PINNO.1 Z t PINNO.1 IDENT GI TST Ta] ey 6] [7 IDENT TT 092 0.030 MAX _/ (2.337) (0.762) DEPTH OPTION 4 OPTION 02 0.135=0.005 0.300-0.320 (3.429 0,127) (7-620 8.128) 0.065 0.445 -9.200 0.060. typ hone 4 TYP be my (3.683 5.080) (1.528 vF\ OPTIONAL (1.681) 1 \| t 4 7} ; 0,008 0.016 (0-203 0.408) np rt 4a ! } 0.020 9D" +4 TYP (0.508) ~ +7 MIN, 1-125 0.150 | I ors soos (09753.810) | i 7-05 0,381) 0.0140.023 TYP | |< 0.100+0,010 0.356 0. 584) " t ) : tae om M5 540+ 0.250) <____ > ~| < (1270-0254) ep 0305 th Ns +1016 (3.255) at) ta dREY F) 14-Lead Molded Dual-In-Line Package (N) Order Number DM74125N NS Package Number N14A p+ 0.583 MAK >y 9,030 0.050 0.045 ae ae wey bee O28 0.080 0.005 | | 9.905 MIN Tye me 14] ] 8 ft | ! YH 2: 0.280 MAX 0.269 / \ heen Ai J H Plat \DENT ee ou tev) 14-Lead Ceramic Flat Package (W) Order Number 54125FMQB or DM54125W NS Package Number W14B LIFE SUPPORT POLICY NATIONALS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life systems which, (a) are intended for surgical implant support device or system whose failure to perform can into the body, or (b) support or sustain life, and whose be reasonably expected to cause the failure of the life failure to perform, when properly used in accordance support device or system, or to affect its safety or with instructions for use provided in the labeling, can effectiveness. be reasonably expected to result in a significant injury to the user. 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