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Interface - I/O Expanders Parts

Review 18 Interface - I/O Expanders part options inside Integrated Circuits (ICs), compare manufacturers, packages, datasheets, and lifecycle signals, then move into RFQ support when a part fits your sourcing target.

GPIO and I/O expander ICs for I2C, SMBus, SPI, and related interface expansion designs.

18
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Integrated Circuits (ICs)
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Product list with manufacturer, category, package, quantity, pricing, datasheet, and quote actions
ProductManufacturerPackageDescriptionQuantityPriceLifecycleDatasheetActions
TrustCompo recommends you CP82C55A, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
CP82C55A
TrustCompo Code#
TCE000120944
HarrisDIP40IC I/O EXPANDER 24B 40DIP
In Stock
14,867
Available
14,867
1$2.94
50$2.90
3000$2.79
-Datasheet
TrustCompo recommends you CS82C55A, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
CS82C55A
TrustCompo Code#
TCE000120840
IntersilPLCCIC I/O EXPANDER 24B 44PLCC
In Stock
66,498
Available
18,462
1$0.74
50$0.73
3000$0.70
-Datasheet
TrustCompo recommends you PCA9554ARGVR, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCA9554ARGVR
TrustCompo Code#
TCE000097727
Texas Instruments16-VQFN8-bit I2C/SMBus I/O expander in 16-VQFN used as direct replacement candidate.
In Stock
30,000
Available
20,000
No reference price yet-Datasheet
TrustCompo recommends you PCA9554DWR, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCA9554DWR
TrustCompo Code#
TCE000097726
Texas Instruments16-SOIC8-bit I2C/SMBus I/O expander in 16-SOIC used as a P2P candidate.
In Stock
30,000
Available
20,000
No reference price yet-Datasheet
TrustCompo recommends you PCA9554DBR, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCA9554DBR
TrustCompo Code#
TCE000097725
Texas Instruments16-SSOP8-bit I2C/SMBus I/O expander in 16-SSOP used as a P2P candidate.
In Stock
30,000
Available
20,000
No reference price yet-Datasheet
TrustCompo recommends you PCF8575DBR, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCF8575DBR
TrustCompo Code#
TCE000097720
Texas Instruments24-SSOP16-bit I2C I/O expander in 24-SSOP used as a direct P2P candidate.
In Stock
30,000
Available
20,000
No reference price yet-Datasheet
TrustCompo recommends you PCAL6416AHF,128, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCAL6416AHF,128
TrustCompo Code#
TCE000097719
NXP Semiconductors24-HWQFN16-bit low-voltage translating I2C/SMBus GPIO expander used as NXP functional replacement.
In Stock
30,000
Available
20,000
No reference price yet-Datasheet
TrustCompo recommends you PCF8575PWR, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCF8575PWR
TrustCompo Code#
TCE000097718
Texas Instruments24-TSSOP16-bit I2C I/O expander in 24-TSSOP used as a direct P2P candidate.
In Stock
30,000
Available
20,000
No reference price yet-Datasheet
TrustCompo recommends you PCF8574DWR, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCF8574DWR
TrustCompo Code#
TCE000097717
Texas Instruments16-SOIC8-bit I2C I/O expander in 16-SOIC used as a P2P candidate for PCA8574D,518.
In Stock
30,000
Available
20,000
No reference price yet-Datasheet
TrustCompo recommends you PCAL6408AEX1Z, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCAL6408AEX1Z
TrustCompo Code#
TCE000097716
NXP Semiconductors16-X2QFNActive low-voltage translating 8-bit I2C/SMBus GPIO expander used as NXP functional replacement.
In Stock
30,000
Available
20,000
No reference price yet-Datasheet
TrustCompo recommends you TCA9554PWR, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
TCA9554PWR
TrustCompo Code#
TCE000097715
Texas Instruments16-TSSOP8-bit I2C/SMBus I/O expander in 16-TSSOP used as a P2P review candidate.
In Stock
30,000
Available
20,000
No reference price yet-Datasheet
TrustCompo recommends you PCA9554BS,118, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCA9554BS,118
TrustCompo Code#
TCE000097714
NXP Semiconductors16-HVQFN8-bit I2C/SMBus I/O expander in 16-HVQFN, listed by NXP for 2026 last-time buy.
In Stock
20,000
Available
12,000
No reference price yetLTBDatasheet
TrustCompo recommends you PCA9554D,118, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCA9554D,118
TrustCompo Code#
TCE000097713
NXP Semiconductors16-SOIC8-bit I2C/SMBus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy.
In Stock
20,000
Available
12,000
No reference price yetLTBDatasheet
TrustCompo recommends you PCA9554DB,118, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCA9554DB,118
TrustCompo Code#
TCE000097712
NXP Semiconductors16-SSOP8-bit I2C/SMBus I/O expander in 16-SSOP, listed by NXP for 2026 last-time buy.
In Stock
20,000
Available
12,000
No reference price yetLTBDatasheet
TrustCompo recommends you PCA8575DB,118, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCA8575DB,118
TrustCompo Code#
TCE000097708
NXP Semiconductors24-SSOP16-bit I2C-bus I/O expander in 24-SSOP, listed by NXP for 2026 last-time buy.
In Stock
20,000
Available
12,000
No reference price yetLTBDatasheet
TrustCompo recommends you PCA8575PW,118, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCA8575PW,118
TrustCompo Code#
TCE000097707
NXP Semiconductors24-TSSOP16-bit I2C-bus I/O expander in 24-TSSOP, listed by NXP for 2026 last-time buy.
In Stock
20,000
Available
12,000
No reference price yetLTBDatasheet
TrustCompo recommends you PCA8574D,518, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCA8574D,518
TrustCompo Code#
TCE000097706
NXP Semiconductors16-SOIC8-bit I2C-bus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy.
In Stock
20,000
Available
12,000
No reference price yetLTBDatasheet
TrustCompo recommends you PCA8574PW,118, low price, green, lead-free, contact us to initiate an inquiry, | TrustCompo
Mfr. Part #
PCA8574PW,118
TrustCompo Code#
TCE000097705
NXP Semiconductors16-TSSOP8-bit I2C-bus I/O expander in 16-TSSOP, listed by NXP for 2026 last-time buy.
In Stock
20,000
Available
12,000
No reference price yetLTBDatasheet

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