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HD74AC139 |
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| Part Number | HD74AC139 |
| Manufacturer | Hitachi Semiconductor |
| Description | The HD74AC139/HD74ACT139 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... |
| Features |
• • • • • Multifunction Capability Two Completely Independent 1-of-4 Decoders Active Low Mutually Exclusive Outputs Outputs Source/Sink 24 mA HD74ACT139 has TTL-Compatible Inputs HD74AC139/HD74ACT139 Pin Arrangement Ea 1 A0a 2 A1a 3 O0a 4 O1a 5 O2a 6 O3a 7 GND 8 (Top view) 16 VCC 15 Eb 14 A0b 13 A1b 12 O0b 11 O1b 10 O2b 9 O3b Logic Symbol E A0 A1 E A0 A1 DECODER a DECODER b O0 O1 O2 O3 O0 O1 O2 O3 Pin Names A0, A1 E O0 to O 3 Address Inputs Enable Inputs Outputs 2 HD74AC139/HD74ACT139 Logic Diagram Ea A0a A1a Eb A0b A1b O0a O1a O2a O3a O0b O1b O2b O3b Please note that... |
| Document |
 HD74AC139 Data Sheet
PDF 61.14KB |
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Desde 2024. D4U Semiconductor.
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