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PCA9539 Series Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 PCA9539DBQR Texas Instruments 1: $4.00 2,529In 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	2,529In Stock	Cut Tape $4.00 $2.98 $2.73 $2.45 View Reel $2.03 $2.31 $2.26 $2.15 $2.03 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: $4.79 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	$4.79 $3.61 $3.31 $2.99 View $2.83 $2.81 $2.64 $2.58	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: $4.48 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 $4.48 $3.40 $3.13 $2.83 Reel $2.53 View $2.69 $2.60 $2.42 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 A 595-PCA9539DB PCA9539DBR Texas Instruments 1: $4.00 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 $4.00 $2.98 $2.73 $2.45 Reel $2.08 View $2.31 $2.26 $2.15 $2.04 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 PCA9539DGVR Texas Instruments 1: $2.12 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 $2.12 $1.97 Reel $1.96 $1.80 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: $4.11 2,119In 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	2,119In Stock	Cut Tape $4.11 $3.11 $2.86 $2.59 Reel $2.30 View $2.46 $2.44 $2.36 $2.20 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: $4.92 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	$4.92 $3.75 $3.46 $3.12 View $2.97 $2.90 $2.89 $2.87	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: $2.47 108In 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	108In Stock 17,500On Order On Order Ship Dates Mfr. No: PCA9539PW,118 Stock: 108 Can Dispatch Immediately On Order: 7,500 Expected 31/05/2027 10,000 Expected 07/06/2027 Factory Lead Time: 30 Weeks	Cut Tape $2.47 $1.84 $1.68 $1.50 View Reel $1.23 $1.34 $1.30 $1.25 $1.23 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: $2.70 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 $2.70 $2.01 $1.84 $1.65 Reel $1.43 View $1.56 $1.52 $1.49 $1.40 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: $2.28 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: 20 Weeks	Cut Tape $2.28 $1.68 $1.54 $1.37 Reel $1.13 View $1.30 $1.26 $1.11 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: $2.14 Non-Stocked Lead-Time 20 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 20 Weeks	Reel $2.14	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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