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PCA9557PW

PCA9557PW

PCA9557PW

Texas Instruments

16 Termination 2.5/5V I/O Expander CA9557 16 Pin 2.5V 16-TSSOP (0.173, 4.40mm Width)

SOT-23

PCA9557PW Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Lifecycle Status ACTIVE (Last Updated: 2 days ago)
Factory Lead Time 6 Weeks
Mounting Type Surface Mount
Package / Case 16-TSSOP (0.173, 4.40mm Width)
Surface MountYES
Number of Pins 16
Weight 61.887009mg
Operating Temperature-40°C~85°C
PackagingTube
JESD-609 Code e4
Feature POR
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 16
Termination SMD/SMT
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Voltage - Supply 2.3V~5.5V
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 2.5V
Base Part Number CA9557
Pin Count16
Output Type Open Drain, Push-Pull
Power Supplies2.5/5V
Interface I2C, SMBus
Number of I/O 8
Number of Ports1
Number of Bits 8
Clock Frequency 400kHz
Supply Current-Max 0.025mA
Interrupt Output No
Current - Output Source/Sink 10mA 25mA
Height 1.2mm
Length 5mm
Width 4.4mm
Thickness 1mm
REACH SVHC No SVHC
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:4367 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$1.75000$1.75
10$1.56900$15.69
90$1.48000$133.2
180$1.26094$226.9692
540$1.03600$559.44

PCA9557PW Product Details

PCA9557PW Overview


It has 8 I/Os programmed.A 16-TSSOP (0.173, 4.40mm Width)-shaped packaging surrounds the device.There is a Tube case available for this product.In 2.3V~5.5V, it is provided as a votage.A Surface Mount mounting type is recommended.Working temperature range -40°C~85°C is required for the device.In order to achieve its performance, its output frequency must work at 400kHz.As a whole, it has terminations on the 16 axis.16 pins make up the part.At 2.5V, there is voltage provided by the device.It is used to run 260 using this part's peak reflow temperature.A total of four 1 ports are present on the device.The CA9557 family contains related parts that you can search for.POR can also be established with this device.In IC chips, 8 bits are present.2.5/5V is a power delivery point.A 16-pin is present on the device.

PCA9557PW Features




PCA9557PW Applications


There are a lot of Texas Instruments
PCA9557PW I/O Expanders applications.


  • Common Mode Voltage Translation
  • Portable Instrumentation
  • Multiprotocol RFID Readers: EPC-GEN2, ISD and IPX
  • IDEN, PHS, GSM Basestations
  • Repeaters, Radio Links, and Modems
  • Wireless Telemetry
  • JTRS
  • 802.11x Receivers
  • IDEN
  • PHS

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