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400 kHz Interface - I/O Expanders

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Maximum Clock Frequency = 400 kHz

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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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package PCA9538PW/Q900,118 NXP Semiconductors 1: $3.22 2,498In Stock	Mfr. Part No. PCA9538PW/Q900,118 Mouser Part No 771-PCA9538PW/Q90011	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package	Datasheet	2,498In Stock	Cut Tape $3.22 $2.40 $2.19 $1.97 $1.86 Reel $1.58 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9538	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 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 PCA9555PW/SOT355/TSSOP24 PCA9555PWJ Nexperia 1: $1.76 2,452Expected 16/11/2026	Mfr. Part No. PCA9555PWJ Mouser Part No 771-PCA9555PWJ	Nexperia	Interface - I/O Expanders PCA9555PW/SOT355/TSSOP24	Datasheet	2,452Expected 16/11/2026	Cut Tape $1.76 $1.30 $1.18 $1.05 Reel $0.848 View $0.984 $0.947 $0.943 $0.84 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package PCAL6408AEX1Z NXP Semiconductors 1: $1.52 14,967Expected 22/11/2027	Mfr. Part No. PCAL6408AEX1Z Mouser Part No 771-PCAL6408AEX1Z	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	14,967Expected 22/11/2027	Cut Tape $1.52 $1.17 $1.01 $0.896 View Reel $0.75 $0.842 $0.799 $0.75 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	PCAL6408A	SMD/SMT	X2QFN-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 X2QFN24 package PCAL6416AEX1Z NXP Semiconductors 1: $1.64 13,130On Order	Mfr. Part No. PCAL6416AEX1Z Mouser Part No 841-PCAL6416AEX1Z	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN24 package	Datasheet	13,130On Order On Order Ship Dates Mfr. No: PCAL6416AEX1Z Stock: 0 On Order: 8,130 Expected 14/01/2027 5,000 Expected 01/11/2027 Factory Lead Time: 30 Weeks	Cut Tape $1.64 $1.27 $1.10 $0.977 View Reel $0.816 $0.918 $0.882 $0.872 $0.871 $0.816 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	PCAL6416A	SMD/SMT	X2QFN-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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR PCF8575CDW Texas Instruments 1: $7.77 294Expected 26/11/2026	Mfr. Part No. PCF8575CDW Mouser Part No 595-PCF8575CDW	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR	Datasheet	294Expected 26/11/2026	$7.77 $6.21 $5.27 $5.05 View $4.78 $4.70 $4.58	Min.: 1 Mult.: 1	PCF8575C	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	4.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube	2 kV
Interface - I/O Expanders PCA9535PW/SOT355/TSSOP24 PCA9535PWJ Nexperia 1: $1.82 1,199Expected 20/11/2026	Mfr. Part No. PCA9535PWJ Mouser Part No 771-PCA9535PWJ	Nexperia	Interface - I/O Expanders PCA9535PW/SOT355/TSSOP24	Datasheet	1,199Expected 20/11/2026	Cut Tape $1.82 $1.34 $1.21 $1.08 Reel $0.872 View $1.02 $0.984 $0.982 $0.863 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders 16 bit In/Out MCP23016T-I/SS Microchip Technology 2,100: $1.89 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. MCP23016T-I/SS Mouser Part No 579-MCP23016T-I/SS	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	Non-Stocked Lead-Time 7 Weeks	Reel $1.89	Min.: 2,100 Mult.: 2,100 : 2,100		SMD/SMT	SSOP-28	I2C, Serial	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel	Without ESD Protection
Interface - I/O Expanders I2C-Compatible Keypd Cntlr GPIO PWM A 59 A 595-LM8330TME/NOPB LM8330TMX/NOPB Texas Instruments 3,000: $1.58 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM8330TMX/NOPB Mouser Part No 595-LM8330TMX/NOPB	Texas Instruments	Interface - I/O Expanders I2C-Compatible Keypd Cntlr GPIO PWM A 59 A 595-LM8330TME/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $1.58	Min.: 3,000 Mult.: 3,000 : 3,000	LM8330	SMD/SMT	DSBGA-25				1.62 V	1.98 V	400 kHz	- 30 C	+ 85 C		Reel
Interface - I/O Expanders Expandable 5-Ch I2C Hub PCA9518DBQR Texas Instruments 2,500: $2.55 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9518DBQR Mouser Part No 595-PCA9518DBQR	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $2.55	Min.: 2,500 Mult.: 2,500 : 2,500	PCA9518	SMD/SMT	QSOP-20		5 I/O		3 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel
Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518DBT A 595-PCA9518DBT PCA9518DBR Texas Instruments 2,000: $2.89 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9518DBR Mouser Part No 595-PCA9518DBR	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518DBT A 595-PCA9518DBT	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $2.89	Min.: 2,000 Mult.: 2,000 : 2,000	PCA9518	SMD/SMT	SSOP-20		5 I/O		3 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel
Interface - I/O Expanders Expandable 5-Ch I2C Hub PCA9518DBT Texas Instruments 1: $5.38 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9518DBT Mouser Part No 595-PCA9518DBT	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $5.38 $4.10 $3.78 $3.43 Reel $3.37 MouseReel Available	Min.: 1 Mult.: 1 : 250	PCA9518	SMD/SMT	SSOP-20		5 I/O		3 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Expandable 5-Ch I2C Hub PCA9518DWR Texas Instruments 1: $3.55 Non-Stocked Lead-Time 39 Weeks	Mfr. Part No. PCA9518DWR Mouser Part No 595-PCA9518DWR	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub	Datasheet	Non-Stocked Lead-Time 39 Weeks	Cut Tape $3.55 $2.65 $2.42 $2.17 $2.07 Reel $1.79 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9518	SMD/SMT	SOIC-20		5 I/O		3 V	3.6 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander PCA9534ADB Texas Instruments 560: $3.01 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9534ADB Mouser Part No 595-PCA9534ADB	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	Non-Stocked Lead-Time 26 Weeks	$3.01	Min.: 560 Mult.: 80	PCA9534A	SMD/SMT	SSOP-16		8 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander PCA9534ADGVR Texas Instruments 2,000: $1.84 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9534ADGVR Mouser Part No 595-PCA9534ADGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $1.84	Min.: 2,000 Mult.: 2,000 : 2,000	PCA9534A	SMD/SMT	TVSOP-16		8 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel
Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander A ALT 595-PCA9534ARGTR PCA9534ARGTRG4 Texas Instruments 1: $2.36 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9534ARGTRG4 Mouser Part No 595-PCA9534ARGTRG4	Texas Instruments	Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander A ALT 595-PCA9534ARGTR	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $2.36 $1.74 $1.59 $1.42 View Reel $1.19 $1.34 $1.30 $1.25 $1.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCA9534A	SMD/SMT	VQFN-16		8 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander PCA9538DGVR Texas Instruments 1: $4.04 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9538DGVR Mouser Part No 595-PCA9538DGVR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $4.04 $3.05 $2.80 $2.53 $2.40 Reel $2.40 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9538	SMD/SMT	TVSOP-16	I2C, Serial, SMBus	8 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Exp ALT ALT 595-PCA9539PWR PCA9539PWRG4 Texas Instruments 2,000: $2.19 Non-Stocked Lead-Time 26 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 26 Weeks	Reel $2.19	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
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander PCA9555DGVR Texas Instruments 2,000: $2.53 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9555DGVR Mouser Part No 595-PCA9555DGVR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $2.53	Min.: 2,000 Mult.: 2,000 : 2,000	PCA9555	SMD/SMT	TVSOP-24	I2C, Serial, SMBus	16 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel
Interface - I/O Expanders Rem 16B I2C & SMBus I/O Expander R 595-T R 595-TCA9555PWR PCA9555PWRG4 Texas Instruments 1: $2.41 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9555PWRG4 Mouser Part No 595-PCA9555PWRG4	Texas Instruments	Interface - I/O Expanders Rem 16B I2C & SMBus I/O Expander R 595-T R 595-TCA9555PWR	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $2.41 $1.78 $1.62 $1.45 View Reel $1.35 $1.37 $1.35 $1.35 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9555	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Rem 16B I2C & SMBus I/O Expander ALT 595 ALT 595-PCA9555RGER PCA9555RGERG4 Texas Instruments 1: $2.67 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCA9555RGERG4 Mouser Part No 595-PCA9555RGERG4	Texas Instruments	Interface - I/O Expanders Rem 16B I2C & SMBus I/O Expander ALT 595 ALT 595-PCA9555RGER	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $2.67 $1.98 $1.81 $1.62 View Reel $1.25 $1.53 $1.47 $1.42 $1.25 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCA9555	SMD/SMT	VQFN-24	I2C, Serial, SMBus	16 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDB PCF8575CDBR Texas Instruments 1: $4.37 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCF8575CDBR Mouser Part No 595-PCF8575CDBR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $4.37 Reel $4.37 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8575C	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O		4.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander PCF8575CDGVR Texas Instruments 2,000: $2.51 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. PCF8575CDGVR Mouser Part No 595-PCF8575CDGVR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $2.51	Min.: 2,000 Mult.: 2,000 : 2,000	PCF8575C	SMD/SMT	TVSOP-24	I2C, Serial, SMBus	16 I/O		4.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554ADWR TCA9554ADWT Texas Instruments 1: $1.61 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. TCA9554ADWT Mouser Part No 595-TCA9554ADWT	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554ADWR Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $1.61 $1.56 $1.49 $1.40 Reel $1.20 View $1.18 $1.17 $1.16 $1.15 MouseReel Available	Min.: 1 Mult.: 1 : 250	TCA9554A	SMD/SMT	SOIC-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
Interface - I/O Expanders 8-bit I2C and SMBus low power I/O port PI4IOE5V9538LE Diodes Incorporated 1: $1.29 Non-Stocked Lead-Time 52 Weeks	Mfr. Part No. PI4IOE5V9538LE Mouser Part No 729-PI4IOE5V9538LE	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus low power I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	Non-Stocked Lead-Time 52 Weeks	$1.29 $0.931 $0.794 $0.767	Min.: 1 Mult.: 1	PIO4IO	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube	4 kV
Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port PI4IOE5V9555LE Diodes Incorporated 1: $1.38 Non-Stocked Lead-Time 52 Weeks	Mfr. Part No. PI4IOE5V9555LE Mouser Part No 729-PI4IOE5V9555LE	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	Non-Stocked Lead-Time 52 Weeks	$1.38 $1.00 $0.852	Min.: 1 Mult.: 1	PIO4IO	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube