【Texas Instruments】SN75138N,IC QUADRUPLE BUS TRANS 16-DIP
【Texas Instruments】SN75138NE4,IC QUAD BUS TXRX 16-DIP
SN75138NS,PROTOTYPE
【Texas Instruments】SN75138NSR,IC TXRX BUS QUAD 16SOP
【Texas Instruments】SN75138NSRE4,IC QUAD BUS TRANSCEIVER 16-SOP
【Texas Instruments】SN75138NSRG4,IC QUAD BUS TRANSCEIVER 16-SOP
【Texas Instruments】SN75140P,IC DUAL LINE RECEIVER 8-DIP
【Texas Instruments】SN75140PE4,IC DUAL LINE RCVR 8-DIP