PCA9555 | NXP Semiconductors

16-Bit I²C-Bus and SMBus I/O Port with Interrupt

More

Product Details

Block Diagram

Choose a diagram:

PCA9555 Block Diagram

PCA9555 Block Diagram

Block diagram: PCA9555BS, PCA9555D, PCA9555DB, PCA9555HF, PCA9555N, PCA9555PW

Features

System Features

  • Operating power supply voltage range of 2.3 V to 5.5 V
  • 5 V tolerant I/Os
  • Polarity Inversion register
  • Active LOW interrupt output
  • Low standby current
  • Noise filter on SCL/SDA inputs
  • No glitch on power-up
  • Internal power-on reset
  • 16 I/O pins which default to 16 inputs
  • 0 Hz to 400 kHz clock frequency
  • ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
  • Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
  • Five packages offered: SO24, SSOP24, TSSOP24, HVQFN24 and HWQFN24

Buy/Parametrics

4 results

Include 1 NRND

Order

CAD Model

No of bits

VDD [min]

VDD [max]

Over volt tolerant

No of supplies

Standby current [typ] (µA)

Max Sink Current per bit (mA)

Max Sink Current, per package (mA)

Source Current per bit (mA)

Interrupt output pin

Output mode

Input mode: invert option

Internal pull-up resistor per bit (kOhm)

I2C-bus (kHz)

Footprint body and leads

Package Type

Operating Temperature (°C)

No of Addresses

16

2.3

5.5

Y

1

0.25

25

200

10

Y

Totem pole

Y

100

400

16.81

HVQFN24

-40~85

8

16

2.3

5.5

Y

1

0.25

25

200

10

Y

Totem pole

Y

100

400

166.14

SO24

-40~85

8

16

2.3

5.5

Y

1

0.25

25

200

10

Y

Totem pole

Y

100

400

66.36

SSOP24

-40~85

8

16

2.3

5.5

Y

1

0.25

25

200

10

Y

Totem pole

Y

100

400

52.14

TSSOP24

-40~85

8

Documentation

Quick reference to our documentation types.

1-10 of 21 documents

Compact List

Application Note (4)
Brochure (2)
Data Sheet (1)
Package Information (5)
Show All

Design Files

Quick reference to our design files types.

1-5of 8 design files

Show All

Engineering Services

1 engineering service

To find additional partner offerings that support this product, visit our Partner Marketplace.

Support

What do you need help with?

Recently viewed products

There are no recently viewed products to display.