PART NO.	PRICE		STOCK	MANUFACTURE	DESCRIPTION	Mounting Style	Package / Case	Minimum Operating Temperature	Maximum Operating Temperature	Packaging	Number of I/Os	Operating Supply Voltage	Maximum Clock Frequency	Interface Type	Interrupt Output
PCA9555DWR	1+ $1.990 10+ $1.690 100+ $1.350 500+ $1.180 2000+ $0.914	PDF RFQ	2,145 In-stock	Texas instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	SMD/SMT	SOIC-24 Wide	- 40 C	+ 85 C	Reel	16 I/O	2.3 V to 5.5 V	400 kHz	I2C, Serial, SMBus
PCA9535DWR	1+ $2.210 10+ $1.870 100+ $1.500 500+ $1.310 2000+ $1.010	PDF RFQ	3,005 In-stock	Texas instruments	Interface - I/O Expanders 16-Bit I2C & SMBus Lo-Pwr I/O Expander	SMD/SMT	SOIC-24 Wide	- 40 C	+ 85 C	Reel		2.3 V to 5.5 V	400 kHz	I2C, Serial, SMBus
PCA9539DWR	1+ $2.000 10+ $1.700 100+ $1.360 500+ $1.190 2000+ $0.918	PDF RFQ	3,698 In-stock	Texas instruments	Interface - I/O Expanders 16-Bit I2C & SMBus Lo-Pwr I/O Expander	SMD/SMT	SOIC-24 Wide	- 40 C	+ 85 C	Reel	16 I/O	2.3 V to 5.5 V	400 kHz	I2C, Serial, SMBus	With Interrupt
PCF8575DWR	1+ $2.290 10+ $1.940 100+ $1.550 500+ $1.360 2000+ $1.050	PDF RFQ	1,021 In-stock	Texas instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	SMD/SMT	SOIC-24 Wide	- 40 C	+ 85 C	Reel	16 I/O	2.5 V to 5.5 V	400 kHz	I2C, Serial, SMBus
PCF8575CDWR	1+ $2.480 10+ $2.100 100+ $1.680 500+ $1.470 2000+ $1.130	PDF RFQ	1,050 In-stock	Texas instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	SMD/SMT	SOIC-24 Wide	- 40 C	+ 85 C	Reel	16 I/O	4.5 V to 5.5 V	400 kHz	I2C, Serial, SMBus