TCA9539RGER,IC XPNDR 400KHZ I2C SMBUS 24VQFN
【Texas Instruments】TCA9539RTWR,IC I/O EXPANDER I2C 16B LP 24QFN
TCA9543ADR,IC BUS SWITCH 2 X 1:2 14SOIC
TCA9543APWR,IC BUS SWITCH 2 X 1:2 14TSSOP
TCA9544APWR,IC MULTIPLEXER 1 X 1:4 20TSSOP
TCA9545APWR,IC BUS SWITCH 2 X 1:4 20TSSOP
