CA9555 Unfold All
Product Description
CA9555 is a 16-bit remote GPIO expander. It provides remote GPIO expansion for most MCU families via the I2C or SMBus interface. It is ideally used in Server and Telecom equipment.
Product Features

l  Operation Voltage: 1.65V to 5.5V

l  Standby Current: 3.5μA (Max. 5.5V)

l  5.5V Tolerance I/O Port

l  Remote 16-bit GPIO Expander

l  Compatible with SMBus and I2C interface

l  I2C Speed up to 1.0MHz (Fast-mode Plus)

l  Up to 8 slave addresses

l  Open-drain Interrupt output with active low to indicate input state changed.

l  Input, Output, and Configuration Register

l  Polarity Inversion Register

l  Built-in Power-on Reset

l  No Glitch during Power-up

l  Noise Filter on SCL/SDA inputs

l  16 I/O pins

- As Input with internal 100k pull-up resistor (default)

- As Output with internal push-pull

l  Latch feature when driving LEDs directly with high current capability

l  Temperature Range: -40oC to 85oC


Typical Application
Functional Block Diagram
Package

TSSOP-24

QFN4x4-24

Datasheet
Ordering Information

Order PN

Green1

Package

Marking ID2

Packing

MPQ

Operation Temperature

CA9555MTR

Halogen free

TSSOP-24

9555

YWWAXX

Tape & Reel

4,000

-40oC ~ +85oC

CA9555QNR

Halogen free

QFN4x4-24

9555

YWWAXX

Tape & Reel

5,000

-40oC ~ +85oC

Copyright@Sensylink Inc. 2024 沪ICP备17014742号-1 | 隐私策略
Copyright@Sensylink Inc. 2024
沪ICP备17014742号-1 | 隐私策略