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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 (SGD) 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 PCA9539RGER Texas Instruments 1: $3.10 8,143On 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	8,143On Order On Order Ship Dates Mfr. No: PCA9539RGER Stock: 0 On Order: 2,143 Expected 29/1/2027 3,000 Expected 4/2/2027 3,000 Expected 11/3/2027 Factory Lead Time: 20 Weeks	Cut Tape $3.10 $2.28 $2.09 $1.86 Reel $1.54 View $1.77 $1.71 $1.51 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 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp TCA9535MRGER Texas Instruments 1: $2.77 5,990Expected 19/11/2026	Mfr. Part No. TCA9535MRGER Mouser Part No 595-TCA9535MRGER	Texas Instruments	Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp Learn More about Texas Instruments ti tca9535 expander	Datasheet	5,990Expected 19/11/2026	Cut Tape $2.77 $2.05 $1.88 $1.67 Reel $1.39 View $1.58 $1.52 $1.48 $1.36 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA9535	SMD/SMT	VQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander TCA9538PWR Texas Instruments 1: $2.76 9,512Expected 17/12/2026	Mfr. Part No. TCA9538PWR Mouser Part No 595-TCA9538PWR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander	Datasheet	9,512Expected 17/12/2026	Cut Tape $2.76 $2.04 $1.85 $1.66 Reel $1.41 View $1.56 $1.51 $1.32 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9538	SMD/SMT	TSSOP-16	I2C, Serial	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 I/O Expander with Interrupt and Reset in TSSOP16 package PCA9538PW/Q900,118 NXP Semiconductors 1: $4.38 2,498Expected 29/10/2026	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	2,498Expected 29/10/2026	Cut Tape $4.38 $3.26 $2.98 $2.68 $2.53 Reel $2.15 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: $2.39 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 $2.39 $1.77 $1.60 $1.43 Reel $1.15 View $1.34 $1.29 $1.28 $1.14 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 I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN24 package PCAL6416AEX1Z NXP Semiconductors 1: $2.23 8,260Expected 14/1/2027	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	8,260Expected 14/1/2027	Cut Tape $2.23 $1.73 $1.50 $1.33 View Reel $1.11 $1.25 $1.20 $1.19 $1.18 $1.11 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: $10.57 294Expected 8/2/2027	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 8/2/2027	$10.57 $8.15 $7.52 $6.87 View $6.35 $6.16 $5.86	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: $2.48 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 $2.48 $1.82 $1.65 $1.47 Reel $1.19 View $1.39 $1.34 $1.17 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: $2.57 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 $2.57	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 Expandable 5-Ch I2C Hub A 595-PCA9518DBT A 595-PCA9518DBT PCA9518DBR Texas Instruments 2,000: $3.22 Non-Stocked Lead-Time 12 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 12 Weeks	Reel $3.22	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: $7.15 Non-Stocked Lead-Time 12 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 12 Weeks	Cut Tape $7.15 $5.45 $5.03 $4.56 Reel $4.35 View $4.27 $4.13 $4.12 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 Rem 8B I2C & SMBus L o-Pwr I/O Expander PCA9538DGVR Texas Instruments 1: $5.49 Non-Stocked Lead-Time 12 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 12 Weeks	Cut Tape $5.49 $4.15 $3.81 $3.44 View Reel $3.02 $3.26 $3.24 $3.05 $3.02 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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDB PCF8575CDBR Texas Instruments 1: $5.94 Non-Stocked Lead-Time 12 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 12 Weeks	Cut Tape $5.94 $5.78 $5.70 $5.66 Reel $5.10 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 Lo Vltg 8B I2C and S MBus I/O Expander A A 595-TCA6416PW TCA6416PWR Texas Instruments 2,000: $4.13 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. TCA6416PWR Mouser Part No 595-TCA6416PWR NRND	Texas Instruments	Interface - I/O Expanders Lo Vltg 8B I2C and S MBus I/O Expander A A 595-TCA6416PW	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $4.13 Quote Quote	Min.: 2,000 Mult.: 2,000 : 2,000	TCA6416	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel
Interface - I/O Expanders I2C-Compatible Keypd Cntlr GPIO PWM A 59 A 595-LM8330TME/NOPB LM8330TMX/NOPB Texas Instruments 1: $3.77 Non-Stocked Lead-Time 20 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 20 Weeks	Cut Tape $3.77 $2.82 $2.57 $2.31 Reel $2.01 View $2.18 $2.14 $2.03 $2.00 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	LM8330	SMD/SMT	DSBGA-25				1.62 V	1.98 V	400 kHz	- 30 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Expandable 5-Ch I2C Hub PCA9518DBQR Texas Instruments 2,500: $3.40 Non-Stocked Lead-Time 20 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 20 Weeks	Reel $3.40	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 PCA9518DWR Texas Instruments 1: $4.83 Non-Stocked Lead-Time 20 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 20 Weeks	Cut Tape $4.83 $3.60 $3.29 $2.95 $2.82 Reel $2.38 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: $3.90 Non-Stocked Lead-Time 20 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 20 Weeks	$3.90 $3.79 $3.75 Quote Quote	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: $2.34 Non-Stocked Lead-Time 20 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 20 Weeks	Reel $2.34 $2.31	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 3,000: $1.51 Non-Stocked Lead-Time 20 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 20 Weeks	Reel $1.51 $1.47	Min.: 3,000 Mult.: 3,000 : 3,000	PCA9534A	SMD/SMT	VQFN-16		8 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel
Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Exp ALT ALT 595-PCA9539PWR PCA9539PWRG4 Texas Instruments 2,000: $2.91 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 $2.91	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: $3.25 Non-Stocked Lead-Time 20 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 20 Weeks	Reel $3.25	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: $3.28 Non-Stocked Lead-Time 20 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 20 Weeks	Cut Tape $3.28 $2.42 $2.20 $1.97 Reel $1.74 View $1.86 $1.81 $1.75 $1.70 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: $3.63 Non-Stocked Lead-Time 20 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 20 Weeks	Cut Tape $3.63 $2.69 $2.46 $2.20 Reel $1.90 View $2.08 $2.00 $1.93 $1.84 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 PCF8575CDGVR Texas Instruments 2,000: $3.39 Non-Stocked Lead-Time 20 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 20 Weeks	Reel $3.39	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