【Texas Instruments】PCF8574NE4,IC I/O EXPANDER I2C 8B 16DIP
PCF8574NG4,IC XPNDR 100KHZ I2C 16DIP
PCF8574P,
【NXP Semiconductors】PCF8574P,112,IC I/O EXPANDER I2C 8B 16DIP
PCF8574P112,
PCF8574PN,
【Texas Instruments】PCF8574PW,IC I/O EXPANDER I2C 8B 20TSSOP
【Texas Instruments】PCF8574PWE4,IC I/O EXPANDER I2C 8B 20TSSOP