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74ACT139 |
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| Part Number | 74ACT139 |
| Manufacturer | Fairchild Semiconductor |
| 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 e... |
| 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 estimate propagation delays.
FUNCTIONAL 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 we... |
| Document |
 74ACT139 Data Sheet
PDF 96.52KB |
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Desde 2024. D4U Semiconductor.
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