Semiconductor Informations

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| 74HC257 Motorola Semiconductors - Quad 2-Input Data Selector/Multiplexer with 3-State Outputs MOTOROLA SEMICONDUCTOR TECHNICAL DATA Quad 2-Input Data Selector, Multiplexer with 3-State Outputs High Performance Silicon Gate CMOS The MC74HC257 is identical in pinout to the LS257. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. This device selects a (4 bit) nibble from either the A or B inputs as determined by the S |
| 74HC257 Toshiba - QUAD 2-CHANEL MULTIPLEXER (3-STATE) |
| 74H00 Quad 2-Input NAND Gate - Fairchild Semiconductor |
| 74H08 Quad 2-Input AND Gate - Fairchild Semiconductor ( t : ) |