ti
部件型号 厂商 描述

SN74ABTH18502APM

Texas Instruments Specialty Function Logic Device w/18-Bit Univ Bus Transceiver

SN74ABTH32318PN

Texas Instruments Universal Bus Functions 18-Bit Tri-Port Univ Bus Exchanger

SN74ABTH18504APMR

Texas Instruments Specialty Function Logic Device w/20-Bit Univ Bus Transceiver
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