74HC257 |
|
Part Number | 74HC257 |
Manufacturer | Hitachi |
Description | The large output drive capability coupled with the 3-state feature make this device ideal for interfacing with bus lines in a bus organized system. When the output control input line is taken high, th... |
Features |
• • • • • High Speed Operation: tpd (Data to Y) = 10.5 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Inputs Output Control L L L L H Select L L H H X A L H X X X B X X L H X Outputs Y L H L H High impedance Notes H: high level, L: low level, X: irrelevant HD74HC257 Pin Arrangement Select 1A 1B 1Y 2A 2B 2Y GND 1 2 3 4 5 6 7 8 (Top view) 1A 1B 1Y 2A 2B 2Y 3Y S OC 4A 4B 4Y 3A 3B 16 VCC 15 Output control 14 4A 13 4B 12 4Y 11 3... |
Document |
74HC257 Data Sheet
PDF 52.59KB |
Distributor | Stock | Price | Buy |
---|
No. | Part # | Manufacture | Description | Datasheet |
---|---|---|---|---|
|
|
Texas Instruments |
Data Selectors/Multiplexers |
|
|
|
Philips |
8-input multiplexer |
|
|
|
nexperia |
8-input multiplexer |
|
|
|
nexperia |
8-input multiplexer |
|
|
|
nexperia |
8-input multiplexer |
|
|
|
Philips |
Dual 4-input multiplexer |
|
|
|
nexperia |
Dual 4-input multiplexer |
|
|
|
nexperia |
Dual 4-input multiplexer |
|
|
|
nexperia |
Dual 4-input multiplexer |
|
|
|
Motorola |
Quad 2-Input Data Selector/Multiplexer |
|