Integrated Circuits |
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74253 |
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Dual 4-input multiplexer; 3-state |
PDF datasheet |
1OE | 1 • | 16 | Vcc |
S1 | 2 | 15 | 2OE |
1I3 | 3 | 14 | S0 |
1I2 | 4 | 13 | 2I3 |
1I1 | 5 | 12 | 2I2 |
1I0 | 6 | 11 | 2I1 |
1Y | 7 | 10 | 2I0 |
GND | 8 | 9 | 2Y |
Pin | Symbol | Description |
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1 | 1OE | enable input 1 (active low) |
2 | S1 | common data select input |
3 | 1I3 | data input from source 1 |
4 | 1I2 | data input from source 1 |
5 | 1I1 | data input from source 1 |
6 | 1I0 | data input from source 1 |
7 | 1Y | multiplexer output from source 1 |
8 | GND | ground |
9 | 2Y | multiplexer output from source 2 |
10 | 2I0 | data input from source 2 |
11 | 2I1 | data input from source 2 |
12 | 2I2 | data input from source 2 |
13 | 2I3 | data input from source 2 |
14 | S0 | common data select input |
15 | 2OE | enable input 2 (active low) |
16 | Vcc | supply voltage |
Specifications |
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(typical values under recommended operating conditions, unless specified) |
Parameter | Value | Unit |
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Propagation delay, 1In , 2In to nY | 17 (74HC/HCT) | ns |
Propagation delay, Sn to nY |
18 (74HC) 19 (74HCT) |
ns |
Notes |
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Note |
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Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information. |
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