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Texas Instruments PCA9557D
Manufacturer
Manufacturer Product Number
PCA9557D
Description
IC XPNDR 400KHZ I2C SMBUS 16SOIC
Manufacturer Standard Lead Time 10 Days
Detailed Description
I/O Expander 8 I2C, SMBus 400 kHz 16-SOIC
Datasheet View datasheet
EDA/CAD Models
Product Attributes
Type
Description
Manufacturer
Texas Instruments
Product Status
Obsolete
Operating Temperature
-40°C ~ 85°C
Interrupt Output
No
DigiKey Programmable
Not Verified
Voltage - Supply
2.3V ~ 5.5V
Output Type
Open Drain, Push-Pull
Features
POR
Mounting Type
Surface Mount
Clock Frequency
400 kHz
Supplier Device Package
16-SOIC
Interface
I2C, SMBus
Number of I/O
8
Package / Case
16-SOIC (0.154", 3.90mm Width)
Current - Output Source/Sink
10mA, 25mA
Documents & Media
Resource Type
Link
Datasheets
EDA Models
Product Change Notices
Environmental & Export Classifications
Attribute
Description
Product Status
Obsolete
Additional Resources
Attribute
Description
Part Number Alias
PCA9557D
13469037
2156-PCA9557D-ND
Availability
In Stock
Updated
5/16/2026
In-Stock: 451
Packaging Quantity Unit Price Ext Price
1 48.000 ₫ 48.000 ₫
48.000 ₫
All prices are shown in the selected currency
Bulk · Digikey
Quantity Unit Price Ext Price
166
48.000 ₫
7.968.000 ₫
MOQ 166 · Order multiple 166
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Alternate Packaging
PCA9557DR
IC XPNDR 400KHZ I2C SMBUS 16SOIC
46.000 ₫ Texas Instruments
PCA9557DR
IC XPNDR 400KHZ I2C SMBUS 16SOIC
46.000 ₫ Texas Instruments
PCA9557DR
IC XPNDR 400KHZ I2C SMBUS 16SOIC
46.000 ₫ Texas Instruments
Substitutes
PCA9557DR
IC XPNDR 400KHZ I2C SMBUS 16SOIC
46.000 ₫ Texas Instruments