【Texas Instruments】PCF8574ADWRG4,IC I/O EXPANDER I2C 8B 16SOIC
【Texas Instruments】PCF8574AN,IC I/O EXPANDER I2C 8B 16DIP
【Texas Instruments】PCF8574ANE4,IC I/O EXPANDER I2C 8B 16DIP
PCF8574ANG4,IC XPNDR 100KHZ I2C 16DIP
PCF8574AP,
【NXP Semiconductors】PCF8574AP,112,IC I/O EXPANDER I2C 8B 16DIP
PCF8574AP112,
【Texas Instruments】PCF8574APW,IC I/O EXPANDER I2C 8B 20TSSOP