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PCA9539 Series Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Package/Case	Interface Type	Number of I/Os	Interrupt Output	Supply Voltage - Min	Supply Voltage - Max	Maximum Clock Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging	ESD Protection
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DB PCA9539DBR Texas Instruments 1: Rp73.384 1.625In Stock	Mfr. Part No. PCA9539DBR Mouser Part No 595-PCA9539DBR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DB	Datasheet	1.625In Stock	Cut Tape Rp73.384 Rp54.671 Rp50.085 Rp44.948 Reel Rp38.710 View Rp42.379 Rp41.462 Rp39.444 Rp38.343 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	PCA9539	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9539DBQR Texas Instruments 1: Rp73.384 2.525In Stock	Mfr. Part No. PCA9539DBQR Mouser Part No 595-PCA9539DBQR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	2.525In Stock	Cut Tape Rp73.384 Rp54.671 Rp50.085 Rp44.948 View Reel Rp36.875 Rp42.379 Rp41.462 Rp39.444 Rp36.875 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	PCA9539	SMD/SMT	QSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR PCA9539DW Texas Instruments 1: Rp87.877 272In Stock	Mfr. Part No. PCA9539DW Mouser Part No 595-PCA9539DW	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR	Datasheet	272In Stock	Rp87.877 Rp66.229 Rp60.725 Rp54.855 View Rp51.919 Rp51.552 Rp48.433 Rp47.333	Min.: 1 Mult.: 1	PCA9539	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube	2 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander R 595-TCA9539PWR PCA9539PWR Texas Instruments 1: Rp82.190 6.959In Stock	Mfr. Part No. PCA9539PWR Mouser Part No 595-PCA9539PWR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander R 595-TCA9539PWR	Datasheet	6.959In Stock	Cut Tape Rp82.190 Rp62.376 Rp57.423 Rp51.919 Reel Rp46.415 View Rp49.351 Rp47.700 Rp44.397 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	PCA9539	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9539DGVR Texas Instruments 1: Rp38.894 1.525In Stock	Mfr. Part No. PCA9539DGVR Mouser Part No 595-PCA9539DGVR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	1.525In Stock	Cut Tape Rp38.894 Rp36.142 Reel Rp35.958 Rp33.023 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	PCA9539	SMD/SMT	TVSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DW PCA9539DWR Texas Instruments 1: Rp75.402 2.144In Stock	Mfr. Part No. PCA9539DWR Mouser Part No 595-PCA9539DWR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DW	Datasheet	2.144In Stock	Cut Tape Rp75.402 Rp57.056 Rp52.470 Rp47.516 Reel Rp42.196 View Rp45.131 Rp44.764 Rp43.297 Rp40.361 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	PCA9539	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR PCA9539DB Texas Instruments 1: Rp90.262 70In Stock	Mfr. Part No. PCA9539DB Mouser Part No 595-PCA9539DB	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR	Datasheet	70In Stock	Rp90.262 Rp68.798 Rp63.477 Rp57.240 View Rp54.488 Rp53.203 Rp53.020 Rp52.653	Min.: 1 Mult.: 1	PCA9539	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube	2 kV
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package PCA9539PW,118 NXP Semiconductors 1: Rp40.728 119In Stock 17.500On Order	Mfr. Part No. PCA9539PW,118 Mouser Part No 771-PCA9539PW-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package	Datasheet	119In Stock 17.500On Order On Order Ship Dates Mfr. No: PCA9539PW,118 Stock: 119 Can Dispatch Immediately On Order: 7.500 Expected 31/05/2027 10.000 Expected 07/06/2027 Factory Lead Time: 30 Weeks	Cut Tape Rp40.728 Rp33.757 Rp28.436 Rp26.051 View Reel Rp22.382 Rp24.951 Rp24.033 Rp23.116 Rp22.382 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	PCA9539	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package PCA9539PW/Q900,118 NXP Semiconductors 1: Rp49.534 47.500On Order	Mfr. Part No. PCA9539PW/Q900,118 Mouser Part No 771-PCA9539PW/Q90011	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package	Datasheet	47.500On Order On Order Ship Dates Mfr. No: PCA9539PW/Q900,118 Stock: 0 On Order: 37.500 Expected 08/10/2026 10.000 Expected 19/10/2026 Factory Lead Time: 30 Weeks	Cut Tape Rp49.534 Rp36.875 Rp32.656 Rp30.087 Reel Rp26.235 View Rp28.620 Rp28.069 Rp27.702 Rp25.501 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	PCA9539	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9539RGER Texas Instruments 1: Rp41.829 7.625On Order	Mfr. Part No. PCA9539RGER Mouser Part No 595-PCA9539RGER	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	7.625On Order On Order Ship Dates Mfr. No: PCA9539RGER Stock: 0 On Order: 1.625 Expected 14/01/2027 3.000 Expected 21/01/2027 3.000 Expected 29/01/2027 Factory Lead Time: 16 Weeks	Cut Tape Rp41.829 Rp30.821 Rp28.253 Rp25.134 Reel Rp20.731 View Rp23.850 Rp23.116 Rp20.364 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	PCA9539	SMD/SMT	VQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Exp ALT ALT 595-PCA9539PWR PCA9539PWRG4 Texas Instruments 2.000: Rp39.260 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. PCA9539PWRG4 Mouser Part No 595-PCA9539PWRG4	Texas Instruments	Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Exp ALT ALT 595-PCA9539PWR	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel Rp39.260	Min.: 2.000 Mult.: 2.000 : 2.000	PCA9539	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel

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