MC74ACT139M ,DUAL 1-OF-4 DECODER/DEMULTIPLEXER3MC74AC139, MC74ACT139DC CHARACTERISTICS 74AC 74ACT =A–40°C toT = +25°C +85°CAV VCC CCTyp Guarante ..
MC74ACT139N ,Dual 1-of-4 Decoder/DemultiplexerMC74AC139, MC74ACT139Dual 1-of-4Decoder/DemultiplexerThe MC74AC139/74ACT139 is a high–speed, dual 1 ..
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MC74ACT14D ,HEX INVERTER SCHMITT TRIGGERMAXIMUM RATINGS*Symbol Parameter Value UnitV DC Supply Voltage (Referenced to GND) –0.5 to +7.0 VCC ..
MC74ACT14DR2 ,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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MC74ACT139M
DUAL 1-OF-4 DECODER/DEMULTIPLEXER
MC74AC139, MC74ACT139
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. Multifunctional 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
Figure 1. Pinout: 16–Lead Packages Conductors
(Top View)
PIN ASSIGNMENT
TRUTH TABLEH = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
