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Similar Part No. - PCA9539DB

Manufacturer	Part #	Datasheet	Description
Texas Instruments	PCA9539DB	777Kb / 34P	REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
	PCA9539DB	2Mb / 48P	PCA9539 Remote 16-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Configuration Registers REVISED MARCH 2021
	PCA9539DB.A	2Mb / 48P	PCA9539 Remote 16-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Configuration Registers REVISED MARCH 2021
	PCA9539DBQR	777Kb / 34P	REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
	PCA9539DBQR	2Mb / 48P	PCA9539 Remote 16-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Configuration Registers REVISED MARCH 2021

Manufacturer	Part #	Datasheet	Description
Texas Instruments	TCA9554A	506Kb / 33P	LOW VOLTAGE 8-BIT I2C AND SMBus I/O EXPANDER
NXP Semiconductors	PCA6416A	2Mb / 42P	Low-voltage translating 16-bit I2C-bus/SMBus I/O expander Rev. 1-11 September 2012
Texas Instruments	TCA9538	1Mb / 37P	Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander
	TCA9539	1Mb / 42P	Low Voltage 16-Bit I2C and SMBus Low-Power I/O Expander
	PCA9535	1Mb / 42P	SMBus Low-Power I/O Expander
Pericom Semiconductor C...	PI4IOE5V9536	498Kb / 12P	SMBus low power I/O port
Texas Instruments	PCA9554	768Kb / 34P	SMBus I/O Expander With Interrupt Output
	PCA9554A	1Mb / 40P	SMBus I/O Expander With Interrupt Output
	PCA9555	1Mb / 42P	SMBus I/O Expander With Interrupt Output
	PCF8575C	1Mb / 38P	SMBus Low-Power I/O Expander