GM8123-SSO
成都国腾威电子有限公司
1扩3的通用异步串口扩展器
PCA9534PW
Texas Instruments
Remote 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output and Configuration Registers
PCF8574DWR
Texas Instruments
REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
PCF8575PWR
Texas Instruments
REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT
PCA9539PWR
Texas Instruments
Remote 16-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output,Reset, and Configuration Registers
PCF8574PWR
Texas Instruments
REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
PCF8574TS/3
NXP Semiconductors
Remote 8-bit I/O expander for I2C-bus with interrupt