74HC640N,652

74HC Series 6V Through Hole 3-State Inverting Octal Bus Transceiver - DIP-20

Transceiver, Inverting 1 Element 8 Bit per Element 3-State Output 20-DIP

得捷:
IC TRANSCEIVER INVERT 6V 20DIP

艾睿:
Bus XCVR Single 8-CH 3-ST 20-Pin PDIP Bulk

富昌:
74HC Series 6 V Through Hole 3-State Inverting Octal Bus Transceiver - DIP-20

DeviceMart:
IC TRANSCEIVER 3ST 8BIT 20DIP