IC 74257 (QUAD 2-INPUT MULTIPLEXER)
BD 1.300
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. When OE is HIGH, all of the outputs (1Y-4Y) are in the high impedance state regardless of all other input conditions.
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Product Details
Product details
- Product type: 2 input multiplexer or data selector with 3 state output
- IC number: 74257
- Technology: CMOS
- Number of multiplexer: 4
- Number of pins: 16
- Package: PDIP-16
- Family or category: 74 series IC
- Lead type: through hole