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| SN54/74LS137 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES 3-LINE TO 8-LINE DECODERS/ DEMULTIPLEXERS WITH ADDRESS LATCHES DATA OUTPUTS VCC 16 Y0 15 Y0 A B C GL G2 G1 Y1 14 Y1 Y2 13 Y2 Y3 12 Y3 Y4 11 Y4 Y5 10 Y5 Y6 Y7 16 1 LOW POWER SCHOTTKY Y6 9 J SUFFIX CERAMIC CASE 620-09 1 A 2 B SELECT 3 C 4 GL 5 G2 ENABLE 6 G1 8 7 Y7 GND OUTPUT 16 1 N SUFFIX PLASTIC CASE 648-08 16 1 D SUFFIX SOIC CASE 751B-03 ORDERING INFORMATION SN54LSXXXJ SN74LSXXXN SN74LSXXXD Ceramic Plastic SOIC GUARANTEED OPERATING RANGES Symbol VCC TA IOH IOL Supply Voltage Operating Ambient Temperature Range Output Current -- High Output Current -- Low Parameter 54 74 54 74 54, 74 54 74 Min 4.5 4.75 - 55 0 Typ 5.0 5.0 25 25 Max 5.5 5.25 125 70 - 0.4 4.0 8.0 Unit V C mA mA FAST AND LS TTL DATA 5-1 SN54/74LS137 FUNCTION TABLE INPUTS OUTPUTS ENABLE GL X X L L L L L L L L H G1 X L H H H H H H H H H G2 H X L L L L L L L L L C X X L L L L H H H H X SELECT B X X L L H H L L H H X A X X L H L H L H L H X Y0 H H L H H H H H H H Y1 H H H L H H H H H H Y2 H H H H L H H H H H Y3 H H H H H L H H H H Y4 H H H H H H L H H H Y5 H H H H H H H L H H Y6 H H H H H H H H L H Y7 H H H H H H H H H L Output corresponding to stored address, L; all others, H H = high level, L = low level, X = irrelevant A (1) (15) (14) Y0 Y1 (13) SELECT INPUTS B (2) (12) Y2 Y3 DATA OUTPUTS (11) C (3) (10) Y4 Y5 (9) GL ENABLE INPUTS (4) (7) G2 G1 (5) (6) Y6 Y7 FAST AND LS TTL DATA 5-2 SN54/74LS137 DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Limits Symbol S bl VIH VIL VIK VOH Parameter P Input HIGH Voltage Input LOW Voltage Input Clamp Diode Voltage Output HIGH Voltage O Vl 54 74 54, 74 VOL Output LOW Voltage 74 Input HIGH Current Input LOW Current Short Circuit Current (Note 1) Power Supply Current - 20 0.35 0.5 20 0.1 - 0.4 -100 18 V A mA mA mA mA 25 2.5 2.7 54 74 - 0.65 35 3.5 3.5 0.25 0.4 Min 2.0 0.7 0.8 - 1.5 V V V V Typ Max Unit Ui V V Test C di i T Conditions Guaranteed Input HIGH Voltage for All Inputs Guaranteed Input LOW Voltage for p g All Inputs VCC = MIN, IIN = - 18 mA VCC = MIN, IOH = MAX, VIN = VIH MAX, MIN, or VIL per Truth Table IOL = 4.0 mA IOL = 8.0 mA VCC = VCC MIN, VIN = VIL or VIH per Truth Table IIH IIL IOS ICC VCC = MAX, VIN = 2.7 V VCC = MAX, VIN = 7.0 V VCC = MAX, VIN = 0.4 V VCC = MAX VCC = MAX Note 1: Not more than one output should be shorted at a time, nor for more than 1 second. AC CHARACTERISTICS (VCC = 5.0 V, TA = 25C) Symbol S bl tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL Parameter P Propagation Delay Time, A, B, C to Y Propagation Delay Time, A, B, C to Y Propagation Delay Time, Enable G2 to Y Propagation Delay Time, Enable G1 to Y Propagation Delay Time, Enable GL to Y Levels of Delay 2 4 3 3 2 2 3 3 3 4 Limits Min Typ 11 25 16 19 13 16 14 18 18 25 Max 17 38 24 29 21 27 21 27 27 38 Unit Ui ns ns ns ns ns VCC = 5.0 V 50 CL = 15 pF Test C di i T Conditions AC SETUP REQUIREMENTS (TA = 25C, VCC = 5.0 V) Limits Symbol S bl tW ts th Parameter P Pulse Width -- Enable at GL Setup Time, A, B, C Hold Time, A, B, C Min 15 10 10 Typ Max Unit Ui ns ns ns VCC = 5.0 V 50 Test C di i T Conditions FAST AND LS TTL DATA 5-3 |
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