Texas Instruments PCA9557PW
8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers 16-TSSOP -40 to 85
$ 1.05
Obsolete
Inventory History
3 month trend: -10.06%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
CAD Models
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Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 1.05
$ 1.076
$ 1.076
Stock
244,416
953,674
953,674
Authorized Distributors
3
6
6
Case/Package
TSSOP
TSSOP
TSSOP
Number of Pins
16
16
16
Interface
-
I2C, SMBus, Serial
I2C, SMBus, Serial
Frequency
400 kHz
400 kHz
400 kHz
Number of I/Os
8
8
8
Min Supply Voltage
2.3 V
2.3 V
2.3 V
Max Supply Voltage
5.5 V
5.5 V
5.5 V
Min Operating Temperature
-40 °C
-40 °C
-40 °C
Max Operating Temperature
85 °C
85 °C
85 °C
Ambient Temperature Range High
-
-
-
Supply Chain
Lifecycle StatusObsolete (Last Updated: 1 week ago)
Manufacturer Lifecycle StatusOBSOLETE (Last Updated: 1 week ago)
Engineering Resources
View Evaluation kits and Reference designs for Texas Instruments PCA9557PW.
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4-channel 2.3- to 5.5-V I2C/SMBus switch with reset & voltage translation 16-TSSOP -40 to 85
Descriptions
Descriptions of Texas Instruments PCA9557PW provided by its distributors.
8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers 16-TSSOP -40 to 85
10mA 25mA I2C，SMBus 8 2.3V 5.5V 400KHz no TSSOP-16 SMD mount 5mm*4.4mm*1.2mm
CA9557 Tube ACTIVE (Last Updated: 2days ago) Active io expander 2.5/5V 5mm 400kHz 10mA 25mA
I2C and SMBus Low Power I/O Expander 16-Pin TSSOP Tube
Interface - I/O Expanders Remote 8B I2C & SMBus I/O Expander
OP Amp Single GP ±18V 8-Pin SOIC N T/R
400kHz TSSOP-16 I/O Expanders ROHS
IC XPND 400KHZ I2C SMBUS 16TSSOP
IC I/O EXPANDER I2C 8B 16TSSOP
I2c Logic Interface Device Ics
Manufacturer Aliases
Texas Instruments has several brands around the world that distributors may use as alternate names. Texas Instruments may also be known as the following names:
- TI
- TEXAS
- TEXAS INST
- TEXAS INSTR
- TEXAS INSTRUMENT
- TEXAS INSTRUMENTS INC
- TEXAS INS
- TEXAS INSTRU
- TEXAS INSTRUMEN
- TI/NS
- TEX
- Texas Instruments (TI)
- TEXASIN
- TEXAS INSTRUMENTS INCORPORATED
- TEXINS
- TEXAS INTRUMENTS
- TEAXS
- TEXASI
- TI Texas Instruments
- TEXAS INSTRUM
- TEXAS USD
- TEXAS INSRUMENTS
- TEXAS INSRUMENT
- TEXAS INSTUMENTS
- TI-ROHS
- Texas Instr.
- Texas Instruments Inc.
Inventory History
3 month trend: -10.06%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackageTSSOP
Number of Pins16
Weight61.887009 mg
Technical
Frequency400 kHz
Max Frequency400 kHz
Max Operating Temperature85 °C
Max Supply Voltage5.5 V
Min Operating Temperature-40 °C
Min Supply Voltage2.3 V
Number of I/Os8
Number of Outputs8
Schedule B8542390000
TerminationSMD/SMT
Dimensions
Height1.2 mm
Length5 mm
Thickness1 mm
Width4.4 mm
Compliance
Environmental Classification
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCNo
RoHSCompliant
Compliance Statements