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400 kHz Interface ICs

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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.	Product Type	Product	Type	Interface Type	Mounting Style	Package/Case
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in XQFN16 package PCA6408AHKX NXP Semiconductors 1: $1.66 244,985On Order	Mfr. Part No. PCA6408AHKX Mouser Part No 771-PCA6408AHKX	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in XQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	244,985On Order On Order Ship Dates Mfr. No: PCA6408AHKX Stock: 0 On Order: 72,985 Expected 31/5/2027 68,000 Expected 6/9/2027 104,000 Expected 27/9/2027 Factory Lead Time: 30 Weeks	Cut Tape $1.66 $1.20 $1.09 $0.96 View Reel $0.782 $0.90 $0.864 $0.835 $0.821 $0.782 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	XQFN-16
Interface - Signal Buffers, Repeaters Dual Supply Hot swappable level translating I2C-bus repeater PCA9508DP,118 NXP Semiconductors 1: $4.20 9,193On Order	Mfr. Part No. PCA9508DP,118 Mouser Part No 771-PCA9508DP118	NXP Semiconductors	Interface - Signal Buffers, Repeaters Dual Supply Hot swappable level translating I2C-bus repeater	Datasheet	9,193On Order On Order Ship Dates Mfr. No: PCA9508DP,118 Stock: 0 On Order: 1,693 Expected 23/2/2027 7,500 Expected 7/6/2027 Factory Lead Time: 27 Weeks	Cut Tape $4.20 $3.13 $2.86 $2.57 $2.43 Reel $2.05 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Signal Buffers, Repeaters	Repeaters	I2C Bus	I2C	SMD/SMT	TSSOP-8
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555, High-Impedance I/O in HWQFN24 package PCA9535CHF,118 NXP Semiconductors 1: $3.50 11,191On Order	Mfr. Part No. PCA9535CHF,118 Mouser Part No 771-PCA9535CHF118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555, High-Impedance I/O in HWQFN24 package	Datasheet	11,191On Order On Order Ship Dates Mfr. No: PCA9535CHF,118 Stock: 0 On Order: 5,191 Expected 7/12/2026 6,000 Expected 24/12/2026 Factory Lead Time: 30 Weeks	Cut Tape $3.50 $2.60 $2.37 $2.12 View Reel $1.78 $2.00 $1.93 $1.86 $1.84 $1.78 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial, SMBus	SMD/SMT	HWQFN-24
Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package PCA9575HF,118 NXP Semiconductors 1: $4.65 11,996Expected 17/1/2028	Mfr. Part No. PCA9575HF,118 Mouser Part No 771-PCA9575HF	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package	Datasheet	11,996Expected 17/1/2028	Cut Tape $4.65 $3.47 $3.17 $2.84 View Reel $2.38 $2.69 $2.62 $2.50 $2.42 $2.38 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	HWQFN-24
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534PW PCA9534PWR Texas Instruments 1: $2.38 11,723On Order	Mfr. Part No. PCA9534PWR Mouser Part No 595-PCA9534PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534PW	Datasheet	11,723On Order On Order Ship Dates Mfr. No: PCA9534PWR Stock: 0 On Order: 5,723 Expected 1/2/2027 6,000 Expected 5/4/2027 Factory Lead Time: 20 Weeks	Cut Tape $2.38 $1.74 $1.59 $1.41 View Reel $1.27 $1.33 $1.28 $1.27 $1.27 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538PW PCA9538PWR Texas Instruments 1: $2.84 7,693On Order	Mfr. Part No. PCA9538PWR Mouser Part No 595-PCA9538PWR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538PW	Datasheet	7,693On Order On Order Ship Dates Mfr. No: PCA9538PWR Stock: 0 On Order: 3,693 Expected 6/11/2026 4,000 Expected 16/11/2026 Factory Lead Time: 20 Weeks	Cut Tape $2.84 $2.09 $1.90 $1.70 Reel $1.46 View $1.60 $1.55 $1.47 $1.40 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-16
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	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	VQFN-24
Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp TCA9535MRGER Texas Instruments 1: $2.77 6,000Expected 25/2/2027	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	6,000Expected 25/2/2027	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	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	VQFN-24
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 View Reel $1.51 $1.56 $1.51 $1.51 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,000	I/O Expanders			I2C, Serial	SMD/SMT	TSSOP-16
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWT TCA9554DWR Texas Instruments 1: $2.41 5,748On Order	Mfr. Part No. TCA9554DWR Mouser Part No 595-TCA9554DWR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWT Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	5,748On Order On Order Ship Dates Mfr. No: TCA9554DWR Stock: 0 On Order: 4,000 Pending 1,748 Expected 3/11/2026 Factory Lead Time: 20 Weeks	Cut Tape $2.41 $1.77 $1.60 $1.43 Reel $1.14 View $1.34 $1.29 $1.28 $1.11 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-16
Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9801DGKT TCA9801DGKR Texas Instruments 1: $1.69 4,980Expected 24/12/2026	Mfr. Part No. TCA9801DGKR Mouser Part No 595-TCA9801DGKR	Texas Instruments	Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9801DGKT Learn More about Texas Instruments ti tca9801 buffer repeater	Datasheet	4,980Expected 24/12/2026	Cut Tape $1.69 $1.22 $1.10 $0.974 Reel $0.813 View $0.913 $0.88 $0.858 $0.793 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Signal Buffers, Repeaters	Buffers	I2C Bus	I2C, SMBus	SMD/SMT	VSSOP-8
Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9803DGKT TCA9803DGKR Texas Instruments 1: $1.25 5In Stock 25,000On Order	Mfr. Part No. TCA9803DGKR Mouser Part No 595-TCA9803DGKR	Texas Instruments	Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9803DGKT Learn More about Texas Instruments ti tca9803 buffer repeater	Datasheet	5In Stock 25,000On Order On Order Ship Dates Mfr. No: TCA9803DGKR Stock: 5 Can Dispatch Immediately On Order: 12,500 Expected 11/12/2026 12,500 Expected 11/2/2027 Factory Lead Time: 20 Weeks	Cut Tape $1.25 $0.894 $0.84 $0.74 Reel $0.612 View $0.692 $0.662 $0.608 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Signal Buffers, Repeaters	Buffers	I2C Bus	I2C, SMBus	SMD/SMT	VSSOP-8
Interface - I/O Expanders NCA9555PW-Q100/SOT355/TSSOP24 NCA9555PW-Q100J Nexperia 1: $2.54 2,469Expected 28/10/2026	Mfr. Part No. NCA9555PW-Q100J Mouser Part No 771-NCA9555PW-Q100J	Nexperia	Interface - I/O Expanders NCA9555PW-Q100/SOT355/TSSOP24 Learn More about Nexperia nca9555pw expanders	Datasheet	2,469Expected 28/10/2026	Cut Tape $2.54 $1.84 $1.67 $1.50 Reel $1.25 View $1.40 $1.35 $1.34 $1.22 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	I2C and SMBus I/O expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - Signal Buffers, Repeaters Dual Supply Low power level translating I2C-bus/SMBus repeater PCA9509PDP,118 NXP Semiconductors 1: $2.64 2,274Expected 30/11/2026	Mfr. Part No. PCA9509PDP,118 Mouser Part No 771-PCA9509PDP,118	NXP Semiconductors	Interface - Signal Buffers, Repeaters Dual Supply Low power level translating I2C-bus/SMBus repeater Learn More about NXP Semiconductors nxp pca9509 repeater	Datasheet	2,274Expected 30/11/2026	Cut Tape $2.64 $1.93 $1.75 $1.56 View Reel $1.29 $1.47 $1.41 $1.29 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Signal Buffers, Repeaters	Repeaters	I2C, SMBus	I2C, SMBus	SMD/SMT	TSSOP-8
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	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders PCA9555PW/SOT355/TSSOP24 PCA9555PWJ Nexperia 1: $2.39 2,452Expected 20/11/2026	Mfr. Part No. PCA9555PWJ Mouser Part No 771-PCA9555PWJ	Nexperia	Interface - I/O Expanders PCA9555PW/SOT355/TSSOP24	Datasheet	2,452Expected 20/11/2026	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	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial	SMD/SMT	TSSOP-24
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 8,760Expected 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	8,760Expected 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	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	X2QFN-24
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	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial	SMD/SMT	TSSOP-24
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	I/O Expanders			I2C, Serial	SMD/SMT	SSOP-28
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	I/O Expanders				SMD/SMT	SSOP-20
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	I/O Expanders	I/O Expanders	I2C Hub		SMD/SMT	SSOP-20
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	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TVSOP-16
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	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SSOP-24
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR PCF8575CDW Texas Instruments 1: $10.57 294Expected 12/1/2027	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 12/1/2027	$10.57 $8.15 $7.52 $6.87 View $6.35 $6.16 $5.86	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-24
Interface - Signal Buffers, Repeaters Dual Bidir I2C Bus & SMBus Repeater A 59 A 595-TPS53219RGTT PCA9515APWR Texas Instruments 1: $5.59 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. PCA9515APWR Mouser Part No 595-PCA9515APWR NRND	Texas Instruments	Interface - Signal Buffers, Repeaters Dual Bidir I2C Bus & SMBus Repeater A 59 A 595-TPS53219RGTT	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape $5.59 $4.22 $3.88 $3.50 Reel $3.02 View $3.32 $3.29 $3.18 $2.99 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Signal Buffers, Repeaters	Repeaters	I2C, SMBus	I2C, SMBus	SMD/SMT	TSSOP-8