74HCT640DB,118概述
IC TRANSCEIVER 3ST 8Bit 20SSOP
Transceiver, Inverting 1 Element 8 Bit per Element 3-State Output 20-SSOP
得捷:
IC TXRX INVERT 5.5V 20SSOP
艾睿:
Bus XCVR Single 8-CH 3-ST 20-Pin SSOP T/R