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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 Interface IO Expander W-QFN4565-46 T&R 3.5K PI4IOE5V6534Q2ZLWEX Diodes Incorporated 1: $3.72 7,689In Stock 7,000Expected 2028/03/06	Mfr. Part No. PI4IOE5V6534Q2ZLWEX Mouser Part No 621-PI4IO565342ZLWEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K Learn More about Diodes Incorporated diodes pi4ioe5v6534q expander	Datasheet	7,689In Stock 7,000Expected 2028/03/06	Cut Tape $3.72 $2.78 $2.48 $2.29 $2.22 Reel $2.22 MouseReel Available	Min.: 1 Mult.: 1 Max.: 400 : 3,500	PI4IOE5V6534Q	SMD/SMT	TQFN-46	I2C, Serial	28 I/O	With Interrupt	1.65 V	5.5 V	100 kHz	- 40 C	+ 105 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in HVQFN16 package PCA9500BS,118 NXP Semiconductors 1: $3.93 8,000In Stock	Mfr. Part No. PCA9500BS,118 Mouser Part No 771-PCA9500BS-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in HVQFN16 package	Datasheet	8,000In Stock	Cut Tape $3.93 $2.93 $2.67 $2.40 View Reel $2.01 $2.27 $2.22 $2.11 $2.05 $2.01 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9500	SMD/SMT	HVQFN-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset in TSSOP56 package PCA9505DGGY NXP Semiconductors 1: $7.08 9,221In Stock	Mfr. Part No. PCA9505DGGY Mouser Part No 771-PCA9505DGGY	NXP Semiconductors	Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset in TSSOP56 package	Datasheet	9,221In Stock	Cut Tape $7.08 $5.42 $5.01 $4.56 $4.52 Reel $3.84 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9505	SMD/SMT	TSSOP-56	I2C, Serial	40 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 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset, Low Power version of PCA9505 in TSSOP56 package PCA9506DGG,518 NXP Semiconductors 1: $8.58 14,245In Stock	Mfr. Part No. PCA9506DGG,518 Mouser Part No 771-PCA9506DGG-T	NXP Semiconductors	Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset, Low Power version of PCA9505 in TSSOP56 package	Datasheet	14,245In Stock	Cut Tape $8.58 $6.63 $6.14 $5.61 View Reel $4.95 $5.33 $5.18 $5.09 $4.95 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9506	SMD/SMT	TSSOP-56	I2C, Serial	40 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 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9554 in TSSOP16 package PCA9534PW,118 NXP Semiconductors 1: $2.04 49,867In Stock	Mfr. Part No. PCA9534PW,118 Mouser Part No 771-PCA9534PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9554 in TSSOP16 package	Datasheet	49,867In Stock	Cut Tape $2.04 $1.56 $1.40 $1.26 Reel $1.09 View $1.19 $1.14 $1.13 $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9534	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 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, Low Power version of PCA9555 in HVQFN24 package PCA9535BS,118 NXP Semiconductors 1: $2.86 38,523In Stock 24,000Expected 2027/05/31	Mfr. Part No. PCA9535BS,118 Mouser Part No 771-PCA9535BS-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in HVQFN24 package	Datasheet	38,523In Stock 24,000Expected 2027/05/31	Cut Tape $2.86 $2.14 $1.95 $1.76 View Reel $1.47 $1.66 $1.62 $1.54 $1.49 $1.47 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9535	SMD/SMT	HVQFN-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, Low Power version of PCA9555 in TSSOP24 package PCA9535PW,118 NXP Semiconductors 1: $2.86 9,994In Stock 17,500Expected 2027/01/13	Mfr. Part No. PCA9535PW,118 Mouser Part No 771-PCA9535PW-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in TSSOP24 package	Datasheet	9,994In Stock 17,500Expected 2027/01/13	Cut Tape $2.86 $2.14 $1.95 $1.76 View Reel $1.45 $1.66 $1.62 $1.54 $1.45 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9535	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 4-bit I2C-bus/SMBus I/O Expander in TSSOP8 package PCA9536DP,118 NXP Semiconductors 1: $2.04 21,511In Stock 30,000Expected 2026/10/26	Mfr. Part No. PCA9536DP,118 Mouser Part No 771-PCA9536DP-T	NXP Semiconductors	Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander in TSSOP8 package	Datasheet	21,511In Stock 30,000Expected 2026/10/26	Cut Tape $2.04 $1.50 $1.37 $1.22 Reel $1.04 View $1.15 $1.11 $1.09 $1.01 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9536	SMD/SMT	TSSOP-8	I2C, Serial, SMBus	4 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander in HVSON8 package PCA9536TK,118 NXP Semiconductors 1: $2.02 25,203In Stock 18,000Expected 2026/11/23	Mfr. Part No. PCA9536TK,118 Mouser Part No 771-PCA9536TK118	NXP Semiconductors	Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander in HVSON8 package	Datasheet	25,203In Stock 18,000Expected 2026/11/23	Cut Tape $2.02 $1.50 $1.37 $1.24 View Reel $1.07 $1.17 $1.14 $1.13 $1.07 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9536	SMD/SMT	HVSON-8	I2C, Serial, SMBus	4 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit I2C-bus I/O Expander with Interrupt and Reset in HVQFN16 package PCA9538ABSHP NXP Semiconductors 1: $1.81 19,297In Stock 18,000Expected 2027/05/03	Mfr. Part No. PCA9538ABSHP Mouser Part No 771-PCA9538ABSHP	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus I/O Expander with Interrupt and Reset in HVQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	19,297In Stock 18,000Expected 2027/05/03	Cut Tape $1.81 $1.33 $1.21 $1.06 View Reel $0.902 $1.03 $0.985 $0.983 $0.949 $0.902 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9538A	SMD/SMT	HVQFN-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	100 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Reset in HWQFN24 package PCA9539AHF,128 NXP Semiconductors 1: $2.01 16,753In Stock	Mfr. Part No. PCA9539AHF,128 Mouser Part No 771-PCA9539AHF,128	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Reset in HWQFN24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	16,753In Stock	Cut Tape $2.01 $1.54 $1.37 $1.26 View Reel $1.05 $1.17 $1.14 $1.11 $1.05 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9539A	SMD/SMT	HWQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	100 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: $2.97 37,240In Stock 10,000Expected 2026/10/21	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	37,240In Stock 10,000Expected 2026/10/21	Cut Tape $2.97 $2.21 $2.04 $1.83 $1.72 Reel $1.45 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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554 in TSSOP16 package PCA9554APW,118 NXP Semiconductors 1: $2.11 14,489In Stock	Mfr. Part No. PCA9554APW,118 Mouser Part No 771-PCA9554APW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554 in TSSOP16 package	Datasheet	14,489In Stock	Cut Tape $2.11 $1.56 $1.43 $1.27 View Reel $1.08 $1.20 $1.16 $1.14 $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9554A	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554C in TSSOP16 package PCA9554BPWJ NXP Semiconductors 1: $1.59 18,562In Stock 25,000Expected 2028/01/17	Mfr. Part No. PCA9554BPWJ Mouser Part No 771-PCA9554BPWJ	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554C in TSSOP16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	18,562In Stock 25,000Expected 2028/01/17	Cut Tape $1.59 $1.19 $1.14 $1.02 Reel $0.823 View $0.951 $0.914 $0.879 $0.805 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9554B	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	100 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554A in TSSOP16 package PCA9554PW,118 NXP Semiconductors 1: $2.11 33,777In Stock	Mfr. Part No. PCA9554PW,118 Mouser Part No 771-PCA9554PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554A in TSSOP16 package	Datasheet	33,777In Stock	Cut Tape $2.11 $1.56 $1.43 $1.27 View Reel $1.08 $1.20 $1.16 $1.14 $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9554	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 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 I/O Expander with Interrupt in HWQFN24 package PCA9555AHF,128 NXP Semiconductors 1: $1.94 48,263In Stock	Mfr. Part No. PCA9555AHF,128 Mouser Part No 771-PCA9555AHF,128	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt in HWQFN24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	48,263In Stock	Cut Tape $1.94 $1.52 $1.35 $1.22 View Reel $1.04 $1.15 $1.12 $1.10 $1.09 $1.04 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9555A	SMD/SMT	HWQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	100 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 4-bit I2C-bus GPO Expander in XQFN8 package PCA9570GMH NXP Semiconductors 1: $0.97 36,024In Stock	Mfr. Part No. PCA9570GMH Mouser Part No 771-PCA9570GMH	NXP Semiconductors	Interface - I/O Expanders 4-bit I2C-bus GPO Expander in XQFN8 package Learn More about NXP Semiconductors nxp pca9570 gpo expander	Datasheet	36,024In Stock	Cut Tape $0.97 $0.716 $0.652 $0.583 View Reel $0.49 $0.55 $0.53 $0.515 $0.506 $0.49 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PCA9570	SMD/SMT	XQFN-8	I2C, Serial	4 I/O	Without Interrupt	1.1 V	3.6 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and 4 Address pins in TSSOP28 package PCA9575PW2,118 NXP Semiconductors 1: $3.05 12,997In Stock	Mfr. Part No. PCA9575PW2,118 Mouser Part No 771-PCA9575PW2,118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and 4 Address pins in TSSOP28 package	Datasheet	12,997In Stock	Cut Tape $3.05 $2.28 $2.09 $1.90 View Reel $1.63 $1.76 $1.73 $1.69 $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9575	SMD/SMT	TSSOP-28	I2C, Serial, SMBus	16 I/O	With Interrupt	1.1 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	6 kV
Interface - I/O Expanders 40-bit I2C-bus Advanced I/O Expander with Interrupt, Reset and Output Enable in TSSOP56 package PCA9698DGG,518 NXP Semiconductors 1: $9.58 5,678In Stock 12,000Expected 2026/12/29	Mfr. Part No. PCA9698DGG,518 Mouser Part No 771-PCA9698DGG-T	NXP Semiconductors	Interface - I/O Expanders 40-bit I2C-bus Advanced I/O Expander with Interrupt, Reset and Output Enable in TSSOP56 package	Datasheet	5,678In Stock 12,000Expected 2026/12/29	Cut Tape $9.58 $7.45 $6.92 $6.34 $6.21 Reel $5.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9698	SMD/SMT	TSSOP-56	I2C, Serial	40 I/O	With Interrupt	2.3 V	5.5 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package PCAL6408ABSHP NXP Semiconductors 1: $1.50 51,659In Stock	Mfr. Part No. PCAL6408ABSHP Mouser Part No 771-PCAL6408ABSHP	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	51,659In Stock	Cut Tape $1.50 $1.09 $0.989 $0.869 View Reel $0.733 $0.84 $0.807 $0.799 $0.771 $0.733 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCAL6408A	SMD/SMT	HVQFN-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in XQFN16 package PCAL6408AHKX NXP Semiconductors 1: $1.33 39,241In Stock 56,000Expected 2027/01/04	Mfr. Part No. PCAL6408AHKX Mouser Part No 771-PCAL6408AHKX	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in XQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	39,241In Stock 56,000Expected 2027/01/04	Cut Tape $1.33 $0.956 $0.866 $0.768 View Reel $0.635 $0.719 $0.691 $0.67 $0.661 $0.635 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PCAL6408A	SMD/SMT	XQFN-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package PCAL6408APWJ NXP Semiconductors 1: $1.45 36,297In Stock	Mfr. Part No. PCAL6408APWJ Mouser Part No 771-PCAL6408APWJ	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	36,297In Stock	Cut Tape $1.45 $1.06 $1.01 $0.894 Reel $0.756 View $0.84 $0.807 $0.799 $0.74 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCAL6408A	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 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 Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HWQFN24 package PCAL6416AHF,128 NXP Semiconductors 1: $1.60 87,458In Stock	Mfr. Part No. PCAL6416AHF,128 Mouser Part No 771-PCAL6416AHF,128	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HWQFN24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	87,458In Stock	Cut Tape $1.60 $1.17 $1.07 $0.946 View Reel $0.772 $0.889 $0.854 $0.844 $0.798 $0.772 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCAL6416A	SMD/SMT	HWQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 24-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HUQFN32 package PCAL6524HEAZ NXP Semiconductors 1: $2.14 25,756In Stock 92,400On Order	Mfr. Part No. PCAL6524HEAZ Mouser Part No 771-PCAL6524HEAZ	NXP Semiconductors	Interface - I/O Expanders 24-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HUQFN32 package Learn More about NXP Semiconductors nxp pcal6524 expander	Datasheet	25,756In Stock 92,400On Order On Order Ship Dates Mfr. No: PCAL6524HEAZ Stock: 25,756 Can Dispatch Immediately On Order: 32,000 Expected 2026/10/26 1,900 Expected 2026/11/02 58,500 Expected 2027/06/14 Factory Lead Time: 30 Weeks	Cut Tape $2.14 $1.63 $1.47 $1.33 Reel $1.17 View $1.24 $1.15 $1.13 $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 500	PCAL6524	SMD/SMT	HUQFN-32	I2C, Serial, SMBus	24 I/O	With Interrupt	800 mV	3.6 V	1 MHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Agile I/O in HWQFN24 package PCAL9535AHF,128 NXP Semiconductors 1: $2.34 15,219In Stock	Mfr. Part No. PCAL9535AHF,128 Mouser Part No 771-PCAL9535AHF,128	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Agile I/O in HWQFN24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	15,219In Stock	Cut Tape $2.34 $1.87 $1.71 $1.54 View Reel $1.28 $1.44 $1.40 $1.37 $1.36 $1.28 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCAL9535A	SMD/SMT	HWQFN-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	100 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV