MC74HC640A is Octal 3-State Inverting Bus Transeceiver manufactured by Motorola Semiconductor.
| Part Number | Description |
|---|---|
| MC74HC646 | Octal 3-State Bus Transeceivers and D Flip-Flops |
| MC74HC688 | 8-Bit Equality Comparator |
| MC74HC00A | Quad 2-Input NAND Gate |
| MC74HC02A | Quad 2-Input NOR Gate |
| MC74HC03A | Quad 2-Input NAND Gate |
MOTOROLA SEMICONDUCTOR TECHNICAL DATA Octal 3-State Inverting Bus Transceiver High Performance Silicon Gate CMOS The MC54/74HC640A is identical in pinout to the LS640. The device inputs are patible with standard CMOS outputs; with pullup resistors, they are patible with LSTTL outputs.
