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Texas Instruments PCA9557PWR
Manufacturer
Manufacturer Product Number
PCA9557PWR
Description
IC XPND 400KHZ I2C SMBUS 16TSSOP
Manufacturer Standard Lead Time Contact us
Detailed Description
I/O Expander 8 I2C, SMBus 400 kHz 16-TSSOP
Datasheet View datasheet
EDA/CAD Models
Product Attributes
Type
Description
Manufacturer
Texas Instruments
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-TSSOP
Interface
I2C, SMBus
Number of I/O
8
Package / Case
16-TSSOP (0.173", 4.40mm Width)
Current - Output Source/Sink
10mA, 25mA
Documents & Media
Resource Type
Link
Datasheets
Training Modules
Additional Resources
Attribute
Description
Part Number Alias
PCA9557PWR
1216948
296-20978-1-ND
296-20978-2-ND
296-20978-6-ND
Availability
In Stock
Updated
5/16/2026
In-Stock: 2,511
Packaging Quantity Unit Price Ext Price
1 48.000 ₫ 48.000 ₫
48.000 ₫
All prices are shown in the selected currency
Cut Tape (CT) · Digikey
Quantity Unit Price Ext Price
1
48.000 ₫
48.000 ₫
10
35.000 ₫
350.000 ₫
25
32.000 ₫
800.000 ₫
100
29.000 ₫
2.900.000 ₫
250
27.000 ₫
6.750.000 ₫
500
26.000 ₫
13.000.000 ₫
1,000
26.000 ₫
26.000.000 ₫
MOQ 1 · Order multiple 1
Tape & Reel (TR) · Digikey
Quantity Unit Price Ext Price
2,000
24.000 ₫
48.000.000 ₫
4,000
24.000 ₫
96.000.000 ₫
6,000
24.000 ₫
144.000.000 ₫
10,000
23.000 ₫
230.000.000 ₫
MOQ 2,000 · Order multiple 2,000
Digi-Reel® · Digikey
Quantity Unit Price Ext Price
1
48.000 ₫
48.000 ₫
10
35.000 ₫
350.000 ₫
25
32.000 ₫
800.000 ₫
100
29.000 ₫
2.900.000 ₫
250
27.000 ₫
6.750.000 ₫
500
26.000 ₫
13.000.000 ₫
1,000
26.000 ₫
26.000.000 ₫
MOQ 1 · Order multiple 1