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PCA9555 Series 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	Packaging	ESD Protection
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in TSSOP24 package PCA9555PW,118 NXP Semiconductors 1: $2.30 49,872In Stock	Mfr. Part No. PCA9555PW,118 Mouser Part No 771-PCA9555PW-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in TSSOP24 package Learn More about NXP Semiconductors nxpinterface	Datasheet	49,872In Stock	Cut Tape $2.30 $1.84 $1.67 $1.50 Reel $1.26 View $1.42 $1.37 $1.35 $1.22 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9555	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
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DWR PCA9555DW Texas Instruments 1: $5.54 922In Stock	Mfr. Part No. PCA9555DW Mouser Part No 595-PCA9555DW	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DWR	Datasheet	922In Stock	$5.54 $4.22 $3.88 $3.52 View $3.37 $3.31 $3.29 $3.27	Min.: 1 Mult.: 1	PCA9555	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander R R 595-TCA9555PWR PCA9555PWR Texas Instruments 1: $2.11 116In Stock 16,000On Order	Mfr. Part No. PCA9555PWR Mouser Part No 595-PCA9555PWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander R R 595-TCA9555PWR	Datasheet	116In Stock 16,000On Order On Order Ship Dates Mfr. No: PCA9555PWR Stock: 116 Can Dispatch Immediately On Order: 6,000 Expected 2027/01/08 10,000 Expected 2027/03/04 Factory Lead Time: 20 Weeks	Cut Tape $2.11 $1.55 $1.42 $1.33 Reel $1.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9555	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 16-bit I2C-bus/SMBus I/O Expander with Interrupt in HVQFN24 package PCA9555BS,118 NXP Semiconductors 1: $2.33 9,209In Stock 18,000Expected 2027/01/26	Mfr. Part No. PCA9555BS,118 Mouser Part No 771-PCA9555BS-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in HVQFN24 package Learn More about NXP Semiconductors nxpinterface	Datasheet	9,209In Stock 18,000Expected 2027/01/26	Cut Tape $2.33 $1.83 $1.70 $1.59 View Reel $1.40 $1.52 $1.50 $1.47 $1.40 $1.40 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9555	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
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SO24 package PCA9555D,118 NXP Semiconductors 1: $2.92 2,765In Stock 7,000On Order	Mfr. Part No. PCA9555D,118 Mouser Part No 771-PCA9555D-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SO24 package Learn More about NXP Semiconductors nxpinterface	Datasheet	2,765In Stock 7,000On Order	Cut Tape $2.92 $2.17 $2.00 $1.80 Reel $1.57 View $1.70 $1.67 $1.54 $1.45 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	PCA9555	SMD/SMT	SO-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
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DW PCA9555DWR Texas Instruments 1: $4.04 413In Stock 4,000Expected 2028/04/03	Mfr. Part No. PCA9555DWR Mouser Part No 595-PCA9555DWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DW	Datasheet	413In Stock 4,000Expected 2028/04/03	Cut Tape $4.04 $3.04 $2.79 $2.52 $2.43 Reel $2.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9555	SMD/SMT	SOIC-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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DB PCA9555DBR Texas Instruments 1: $2.17 116In Stock 8,000On Order	Mfr. Part No. PCA9555DBR Mouser Part No 595-PCA9555DBR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DB	Datasheet	116In Stock 8,000On Order On Order Ship Dates Mfr. No: PCA9555DBR Stock: 116 Can Dispatch Immediately On Order: 4,000 Expected 2027/01/21 4,000 Expected 2027/03/15 Factory Lead Time: 20 Weeks	Cut Tape $2.17 $1.60 $1.47 $1.34 $1.33 Reel $1.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9555	SMD/SMT	SSOP-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 in SSOP24 package PCA9555DB,118 NXP Semiconductors 1: $3.11 15In Stock 7,000Expected 2026/12/07	Mfr. Part No. PCA9555DB,118 Mouser Part No 771-PCA9555DB-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SSOP24 package	Datasheet	15In Stock 7,000Expected 2026/12/07	Cut Tape $3.11 $2.33 $2.13 $1.92 Reel $1.70 View $1.81 $1.78 $1.65 $1.62 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	PCA9555	SMD/SMT	SSOP-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
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander PCA9555RGER Texas Instruments 1: $2.42 12,000On Order	Mfr. Part No. PCA9555RGER Mouser Part No 595-PCA9555RGER	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	12,000On Order On Order Ship Dates Mfr. No: PCA9555RGER Stock: 0 On Order: 3,000 Expected 2027/01/08 9,000 Expected 2027/03/11 Factory Lead Time: 20 Weeks	Cut Tape $2.42 $1.79 $1.63 $1.47 View Reel $1.33 $1.42 $1.38 $1.33 $1.33 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCA9555	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 Remote 16-Bit I2C & SMBus I/O Expander PCA9555DGVR Texas Instruments 2,000: $2.30 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 $2.30	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: $2.40 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 $2.40 $1.77 $1.60 $1.44 Reel $1.24 View $1.36 $1.33 $1.27 $1.20 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 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 $2.67 $1.98 $1.81 $1.62 Reel $1.40 View $1.54 $1.47 $1.42 $1.35 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 16-bit I2C-bus/SMBus I/O Expander with Interrupt in HVQFN24 package NXP Semiconductors PCA9555BSHP PCA9555BSHP NXP Semiconductors 6,000: $1.65 Non-Stocked Lead-Time 27 Weeks	Mfr. Part No. PCA9555BSHP Mouser Part No 771-PCA9555BSHP	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in HVQFN24 package	Datasheet	Non-Stocked Lead-Time 27 Weeks	Reel $1.65	Min.: 6,000 Mult.: 6,000 : 6,000	PCA9555	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

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