| Manufacturer | Part # | Datasheet | Description |
 NXP Semiconductors |
PCA9539PW
|
168Kb / 21P |
16-bit I2C and SMBus, low power I/O port with interrupt and reset
2004 Sep 30 |
 Texas Instruments |
PCA9539PW
|
777Kb / 34P |
REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
|
 NXP Semiconductors |
PCA9539PW
|
191Kb / 31P |
16-bit I2C-bus and SMBus low power I/O port with interrupt and reset
Rev. 05-28 July 2008 |
 Nexperia B.V. All right... |
PCA9539PW
|
440Kb / 31P |
Low-voltage 16-bit I²C and SMBus low-power I/O expander with interrupt output, reset pin and configuration registers
Rev. 1 - 25 April 2023 |
 Texas Instruments |
PCA9539PWE4
|
777Kb / 34P |
REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
|