CA9554A Unfold All
Product Description
CA9554/CA9554A is an 8-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  Low standby current

l  5.0V Tolerance I/O Port

l  Remote 8-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 Active-Low Interrupt Output

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  8 I/O pins

As Input internal pull-up resistor (default)

As Output with push-pull

l  Latch feature when driving LEDs directly with high current capability

l  Temperature Range: -40°C to 85°C


Typical Application
Functional Block Diagram
Package

TSSOP-16

QFN4x4-16

QFN3x3-16



Datasheet
Ordering Information

Order PN

Green1

Package

Marking ID2

Packing

MPQ

Operation Temperature

CA9554MTR

Halogen free

TSSOP-16

9554

YWWAXX

Tape & Reel

4,000

-40°C~+85°C

CA9554QNR

Halogen free

QFN4x4-16

9554

YWWAXX

Tape & Reel

5,000

-40°C~+85°C

CA9554QNAR

Halogen free

QFN3x3-16

9554
YWWAXX

Tape & Reel

3,000

-40°C~+85°C

CA9554AMTR

Halogen free

TSSOP-16

9554A

YWWAXX

Tape & Reel

4,000

-40°C~+85°C

CA9554AQNR

Halogen free

QFN4x4-16

9554A

YWWAXX

Tape & Reel

5,000

-40°C~+85°C

CA9554AQNAR

Halogen free

QFN3x3-16

9554A

YWWAXX

Tape & Reel

3,000

-40°C~+85°C

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