SN74ABT640N
Manufacturers：
Texas Instruments
Description：
IC BUS TRANSCEIVER DUAL 20DIP
SN74ABT640NSR
Manufacturers：
Texas Instruments
Description：
IC BUS TXRX 3-ST OCTAL 20SO
Manufacturers：
Texas Instruments
Description：
IC BUS TRANSCEIVER DUAL 20DIP
Manufacturers：
Texas Instruments
Description：
IC BUS TXRX 3-ST OCTAL 20SO