Texas Instruments

Category: Drivers and Interfaces

PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers

$0.72 - $2.02
Distributor SKU Stock MOQ 1 10 50 100 1000 10000 Purchase
DigiKey 296-28990-2-ND 0 $0.99 $0.99 Buy
Arrow North American Components PCA9557PWT 0 250 $0.99 $0.00 Buy
AVNET Europe PCA9557PWT 250 250 * $0.85 * $0.78 Buy
AVNET Express PCA9557PWT 149160 1 $0.69 $0.66 Buy
Mouser Electronics 595-PCA9557PWT 480 1 $2.02 $1.81 $1.81 $1.46 $1.00 $0.88 Buy
Newark PCA9557PWT 500 $1.14 $1.14 $1.14 $1.14 $0.82 $0.71 Buy
Texas Instruments PCA9557PWT 174 1 $1.36 $1.36 $1.36 $1.12 $0.61 $0.61 Buy
Verical Marketplace PCA9557PWT 3500 250 $0.74 $0.72 Buy
Win Source PCA9557PWT 60000 18 $1.69 $1.69 $1.69 $1.69 $1.69 $1.69 Buy

Parts in family

Technical Specifications

Lead Free Status Yes
ROHS Compliance Yes
# of I/Os 8
Approx. Price (US$) 0.56 | 1ku
I2C Address 0011 xxx
Max Frequency(kHz) 400
Operating Temperature Range(C) -40 to 85
Package Group SOIC,SSOP,TSSOP,TVSOP,VQFN
Package Size mm2
Rating Catalog
VCC(Max)(V) 6
VCC(Min)(V) 2.5
Voltage Nodes(V) 2.7,3.3,3.6,5
fSCLK(Max)(MHz) 0.4