I2C, Serial – Mouser Hong Kong

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Interface - I/O Expanders Interface IO Expander W-QFN5050-32 T&R 2.5K PI4IOE5V6524ZHEX Diodes Incorporated 1: HK$17.76 3,164In Stock 5,000Expected 14/4/2028	Mfr. Part No. PI4IOE5V6524ZHEX Mouser Part No 621-PI4IOE5V6524ZHEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander W-QFN5050-32 T&R 2.5K Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander		3,164In Stock 5,000Expected 14/4/2028	Cut Tape HK$17.76 HK$13.15 HK$11.84 HK$10.69 HK$10.03 Reel HK$10.03 MouseReel Available	Min.: 1 Mult.: 1 Max.: 320 : 2,500
Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN24 package PCAL9714HNMP NXP Semiconductors 1: HK$12.25 9,577In Stock	Mfr. Part No. PCAL9714HNMP Mouser Part No 771-PCAL9714HNMP	NXP Semiconductors	Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN24 package Learn More about NXP Semiconductors nxp pcal9714 expanders	Datasheet	9,577In Stock	Cut Tape HK$12.25 HK$8.96 HK$8.10 HK$7.19 View Reel HK$5.89 HK$6.76 HK$6.49 HK$6.42 HK$6.20 HK$5.89	Min.: 1 Mult.: 1 : 6,000
Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O and AEC-Q100 Compliant in HVQFN24 package PCAL9714HN/Q900MP NXP Semiconductors 1: HK$13.56 6,998In Stock	Mfr. Part No. PCAL9714HN/Q900MP Mouser Part No 771-PCAL9714HNQ900MP	NXP Semiconductors	Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O and AEC-Q100 Compliant in HVQFN24 package Learn More about NXP Semiconductors nxp pcal9714 expanders	Datasheet	6,998In Stock	Cut Tape HK$13.56 HK$10.19 HK$9.29 HK$8.30 View Reel HK$7.07 HK$7.83 HK$7.57 HK$7.53 HK$7.31 HK$7.07	Min.: 1 Mult.: 1 : 6,000
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017-E/ML Microchip Technology 1: HK$15.62 42,945In Stock	Mfr. Part No. MCP23017-E/ML Mouser Part No 579-MCP23017-E/ML	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	42,945In Stock	HK$15.62 HK$13.07 HK$11.84	Min.: 1 Mult.: 1
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017-E/SO Microchip Technology 1: HK$13.32 34,392In Stock	Mfr. Part No. MCP23017-E/SO Mouser Part No 579-MCP23017-E/SO	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	34,392In Stock	HK$13.32 HK$11.10 HK$10.19	Min.: 1 Mult.: 1
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017-E/SP Microchip Technology 1: HK$13.89 11,244In Stock	Mfr. Part No. MCP23017-E/SP Mouser Part No 579-MCP23017-E/SP	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	11,244In Stock	HK$13.89 HK$11.51 HK$10.52	Min.: 1 Mult.: 1
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017-E/SS Microchip Technology 1: HK$13.89 21,508In Stock	Mfr. Part No. MCP23017-E/SS Mouser Part No 579-MCP23017-E/SS	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	21,508In Stock	HK$13.89 HK$11.51 HK$10.52	Min.: 1 Mult.: 1
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017T-E/ML Microchip Technology 1: HK$15.62 16,910In Stock	Mfr. Part No. MCP23017T-E/ML Mouser Part No 579-MCP23017T-E/ML	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	16,910In Stock	Cut Tape HK$15.62 HK$13.07 Reel HK$11.84 MouseReel Available	Min.: 1 Mult.: 1 : 1,600
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017T-E/SO Microchip Technology 1: HK$13.32 22,003In Stock	Mfr. Part No. MCP23017T-E/SO Mouser Part No 579-MCP23017T-E/SO	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	22,003In Stock	Cut Tape HK$13.32 HK$11.10 Reel HK$10.19 MouseReel Available	Min.: 1 Mult.: 1 : 1,600
Interface - I/O Expanders 16bit Input/Output Exp I2C interface MCP23017T-E/SS Microchip Technology 1: HK$13.89 42,941In Stock	Mfr. Part No. MCP23017T-E/SS Mouser Part No 579-MCP23017T-E/SS	Microchip Technology	Interface - I/O Expanders 16bit Input/Output Exp I2C interface Learn More about Microchip Technology microchip mcp23x17 io expanders	Datasheet	42,941In Stock	Cut Tape HK$13.89 HK$11.51 Reel HK$10.52 MouseReel Available	Min.: 1 Mult.: 1 : 2,100
Interface - I/O Expanders 8bit I/O Expndr PCF8574N Texas Instruments 1: HK$24.50 10,328In Stock	Mfr. Part No. PCF8574N Mouser Part No 595-PCF8574N	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr	Datasheet	10,328In Stock	HK$24.50 HK$18.33 HK$16.44 HK$14.71 View HK$14.22 HK$13.73 HK$13.23 HK$12.82 HK$12.58	Min.: 1 Mult.: 1
Digital Signal Processors & Controllers - DSP, DSC Delfino Micrcntrlr TMS320F28335PTPQ Texas Instruments Restricted Availability	Mfr. Part No. TMS320F28335PTPQ Mouser Part No 595-TMS320F28335PTPQ	Texas Instruments	Digital Signal Processors & Controllers - DSP, DSC Delfino Micrcntrlr Learn More about Texas Instruments ti tms320f2833 dscs Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability
Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset in TSSOP56 package PCA9505DGGY NXP Semiconductors 1: HK$58.20 8,271In 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	8,271In Stock	Cut Tape HK$58.20 HK$44.55 HK$41.18 HK$37.48 HK$37.15 Reel HK$31.48 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
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: HK$74.23 12,192In Stock 8,000Expected 22/3/2027	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	12,192In Stock 8,000Expected 22/3/2027	Cut Tape HK$74.23 HK$57.70 HK$53.59 HK$48.99 View Reel HK$43.07 HK$47.43 HK$46.69 HK$46.03 HK$43.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Interface - I/O Expanders 4-bit I2C-bus GPO Expander in XQFN8 package PCA9570GMH NXP Semiconductors 1: HK$7.89 35,679In 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	35,679In Stock	Cut Tape HK$7.89 HK$5.81 HK$5.29 HK$4.72 View Reel HK$3.95 HK$4.45 HK$4.28 HK$4.18 HK$4.05 HK$3.95 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
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: HK$78.58 5,229In Stock 12,000Expected 29/12/2026	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	5,229In Stock 12,000Expected 29/12/2026	Cut Tape HK$78.58 HK$61.24 HK$56.88 HK$52.03 View Reel HK$45.70 HK$50.14 HK$49.65 HK$48.99 HK$45.70 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000
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: HK$19.23 14,923In Stock 18,000Expected 30/8/2027	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	14,923In Stock 18,000Expected 30/8/2027	Cut Tape HK$19.23 HK$15.37 HK$14.06 HK$12.58 View Reel HK$10.52 HK$11.84 HK$11.51 HK$11.26 HK$11.18 HK$10.52 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Agile I/O in TSSOP24 package PCAL9535APW,118 NXP Semiconductors 1: HK$20.22 14,659In Stock	Mfr. Part No. PCAL9535APW,118 Mouser Part No 771-PCAL9535APW,118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Agile I/O in TSSOP24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	14,659In Stock	Cut Tape HK$20.22 HK$14.96 HK$14.39 HK$12.91 Reel HK$11.01 View HK$12.17 HK$11.75 HK$11.26 HK$10.77 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package PCAL9538APWJ NXP Semiconductors 1: HK$17.34 16,660In Stock	Mfr. Part No. PCAL9538APWJ Mouser Part No 771-PCAL9538APWJ	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package	Datasheet	16,660In Stock	Cut Tape HK$17.34 HK$12.82 HK$12.17 HK$10.93 View Reel HK$9.37 HK$10.28 HK$9.95 HK$9.70 HK$9.37 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Agile I/O in HWQFN24 package PCAL9555AHF,128 NXP Semiconductors 1: HK$16.77 42,450In Stock	Mfr. Part No. PCAL9555AHF,128 Mouser Part No 771-PCAL9555AHF,128	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Agile I/O in HWQFN24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	42,450In Stock	Cut Tape HK$16.77 HK$12.41 HK$11.34 HK$10.11 View Reel HK$8.47 HK$9.54 HK$9.21 HK$8.47 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Interface - I/O Expanders 16 CHAN LOW VOLT I2C GPIO +PWM SX1509BIULTRT Semtech 1: HK$28.93 34,935In Stock 39,000Expected 23/4/2027	Mfr. Part No. SX1509BIULTRT Mouser Part No 947-SX1509BIULTRT	Semtech	Interface - I/O Expanders 16 CHAN LOW VOLT I2C GPIO +PWM Learn More about Semtech sx1508b sx1509b gpio	Datasheet	34,935In Stock 39,000Expected 23/4/2027	Cut Tape HK$28.93 HK$21.78 HK$19.97 HK$18.00 View Reel HK$15.78 HK$17.10 HK$16.93 HK$16.44 HK$15.78 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Interface - I/O Expanders 16 CHAN LOW VOLT GPIO + PWM SX1509QBIULTRT Semtech 1: HK$28.93 7,600In Stock	Mfr. Part No. SX1509QBIULTRT Mouser Part No 947-SX1509QBIULTRT	Semtech	Interface - I/O Expanders 16 CHAN LOW VOLT GPIO + PWM Learn More about Semtech sx1508b sx1509b gpio	Datasheet	7,600In Stock	Cut Tape HK$28.93 HK$21.78 HK$19.97 HK$18.00 View Reel HK$15.78 HK$17.10 HK$16.93 HK$16.44 HK$15.78 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Interface - I/O Expanders 8bit Input/Output Exp I2C interface MCP23008-E/ML Microchip Technology 1: HK$12.25 7,477In Stock 4,095Expected 24/12/2026	Mfr. Part No. MCP23008-E/ML Mouser Part No 579-MCP23008-E/ML	Microchip Technology	Interface - I/O Expanders 8bit Input/Output Exp I2C interface	Datasheet	7,477In Stock 4,095Expected 24/12/2026	HK$12.25 HK$10.28 HK$9.29	Min.: 1 Mult.: 1
Interface - I/O Expanders In/Out I2C int MCP23008-E/P Microchip Technology 1: HK$12.66 2,902In Stock	Mfr. Part No. MCP23008-E/P Mouser Part No 579-MCP23008-E/P	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	2,902In Stock	HK$12.66 HK$10.52 HK$10.44	Min.: 1 Mult.: 1
Interface - I/O Expanders In/Out I2C int MCP23008-E/SO Microchip Technology 1: HK$11.26 5,667In Stock	Mfr. Part No. MCP23008-E/SO Mouser Part No 579-MCP23008-E/SO	Microchip Technology	Interface - I/O Expanders In/Out I2C int	Datasheet	5,667In Stock	HK$11.26 HK$9.37 HK$8.63	Min.: 1 Mult.: 1

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