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| Part Number | 74ACT139 |
| Distributor | Stock | Price | Buy |
|---|
| Part Number | 74ACT139 |
| Manufacturer | Motorola Inc |
| Title | DUAL 1-OF-4 DECODER/DEMULTIPLEXER |
| 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. Each decoder has an active-Low Enable input which can be used as a data input for a 4-output demul. |
| 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 O. |
| Part Number | 74ACT139 |
| Manufacturer | Fairchild Semiconductor |
| Title | Dual 1-of-4 Decoder/Demultiplexer |
| Description | The MC74AC139/74ACT139 is a high-speed dual 1-of-4 decoder/demultiplexer. The device has two independent decoders, each of which accepts two binary weighted inputs (A0–A1) and provides four mutually exclusive active-LOW outputs (O 0–O3). Each decoder has an active-LOW enable (E). When E is HIGH all . |
| Features | L H H O2 H H H L H O3 H H H H L LOGIC SYMBOL E A0 A1 DECODER a O0 O1 O2 O3 H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial E A0 A1 DECODER b O0 O1 O2 O3 FACT DATA 5-1 MC74AC139 MC74ACT139 LOGIC DIAGRAM Ea A0a A1a Eb A0b A1b 00a 01a 02a 03a 00b 01b 02b 03b Please note that this diagram is provided only for the understanding of logic operations and should not be used to est. |
similar datasheet
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|---|---|---|---|---|
| 1 | 74ACT138 |
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| 2 | 74ACT138 |
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| 3 | 74ACT10 |
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| 4 | 74ACT10 |
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| 6 | 74ACT109 |
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| 10 | 74ACT11004 |
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