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74ACT139MOTOROLAN/a25avaiDual 1-of-4 Decoder/Demultiplexer
MC74AC139DMOTN/a9979avaiDual 1-of-4 Decoder/Demultiplexer
MC74AC139NMOTN/a123avaiDual 1-of-4 Decoder/Demultiplexer


MC74AC139D ,Dual 1-of-4 Decoder/Demultiplexer** DUAL 1-OF-4DECODER/DEMULTIPLEXERThe MC74AC139/74ACT139 is a high-speed, dual 1-of-4 decoder/dem ..
MC74AC139D ,Dual 1-of-4 Decoder/Demultiplexer3MC74AC139, MC74ACT139DC CHARACTERISTICS 74AC 74ACT =A–40°C toT = +25°C +85°CAV VCC CCTyp Guarante ..
MC74AC139DR2 ,Dual 1-of-4 Decoder/DemultiplexerMAXIMUM RATINGS* Symbol Parameter Value UnitV DC Supply Voltage (Referenced to GND) –0.5 to +7.0 V ..
MC74AC139DTR2 ,Dual 1-of-4 Decoder/DemultiplexerFUNCTIONAL DESCRIPTIONA A0 O 0 O0 0The MC74AC139/74ACT139 is a high–speed dualA A1 11–of–4 decoder/ ..
MC74AC139N ,Dual 1-of-4 Decoder/DemultiplexerFUNCTIONAL DESCRIPTIONEEThe MC74AC139/74ACT139 is a high-speed dual 1-of-4A AO Odecoder/demultiplex ..
MC74AC14 ,Hex Inverter Schmitt TriggerMAXIMUM RATINGS*Symbol Parameter Value UnitV DC Supply Voltage (Referenced to GND) –0.5 to +7.0 VCC ..
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MCM69T618TQ5 ,64K x 18 Bit Synchronous Pipelined Cache Tag RAM**Order this documentby MCM69T618/DSEMICONDUCTOR TECHNICAL DATAMCM69T61864K x 18 Bit SynchronousPip ..
MCM7643APC ,V(cc): +7.0V; 650mA; 4096-bit programmable read only memoryElectrical Characteristics and ProgrammingProcedureq Simple, High-Speed Programming Procedure(1.0 S ..


74ACT139-MC74AC139D-MC74AC139N
Dual 1-of-4 Decoder/Demultiplexer
-The MC74AC139/74ACT139 is a high-speed, dual 1-of-4 decoder/demultiplexer.
The device has two independent decoders, each accepting two inputs and providing
four mutually-exclusive active-LOW outputs. Each decoder has an active-LOW
Enable input which can be used as a data input for a 4-output demultiplexer. Each
half of the MC74AC139/74ACT139 can be used as a function generator providing
four minterms of two variables. Multifunction Capability Two Completely Independent 1-of-4 Decoders Active LOW Mutually Exclusive Outputs Outputs Source/Sink 24 mA ′ACT139 Has TTL Compatible Inputs
VCC A0b A1b GND
O0b O1b O2b O3b
A0a A1a O0a O1a O2a O3a
PIN NAMES
Address Inputs Enable Inputs
O0–O3 Outputs
TRUTH TABLE

H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
LOGIC SYMBOL
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