Datasheet Details
| Part number | CD74HC257 |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 483.76 KB |
| Description | Quad 2-Input Multiplexer |
| Datasheet |
 CD74HC257 Datasheet
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General Description
The ’HC257 and ’HCT257 are quad 2-input multiplexers which select four bits of data from two sources under the control of a common Select Input (S).
The Output Enable input (OE) is active LOW.
Key Features
- Buffered Inputs.
- Typical Propagation Delay ( In to Output ) = 12ns at VCC = 5V, CL = 15pF, TA = 25oC.
- Fanout (Over Temperature Range) - Standard Outputs.
- 10 LSTTL Loads - Bus Driver Outputs.
- . . . 15 LSTTL Loads.
- Wide Operating Temperature Range . . . -55oC to 125oC.
- Balanced Propagation Delay and Transition Times.
- Significant Power Reduction Compared to LSTTL Logic ICs.
- HC Types - 2V to 6V.