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PCA9537DP,118

I/O Expander, 4bit, 400 kHz, I2C, SMBus, 2.3 V, 5.5 V, TSSOP

NXP PCA9537DP,118

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Manufacturer:
NXP NXP
Manufacturer Part No:
PCA9537DP,118
Order Code:
2212094
Technical Datasheet:
PCA9537DP,118   Datasheet
See all Technical Docs

Product Overview

The PCA9537DP is a 4-bit parallel Input/output (GPIO) Expander with interrupt and reset for I²C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I²C-bus I/O expanders. The I/O expander provides a simple solution when additional I/O is needed for ACPI power switches, sensors, push-buttons, LEDs, fans, etc. It consists of a 4-bit configuration register (input or output selection), 4-bit input port register, 4-bit output port register and a 4-bit polarity inversion register (active HIGH or active LOW operation). The system master can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each input or output is kept in the corresponding input port or output port register. The polarity of the input port register can be inverted with the Polarity Inversion register. All registers can be read by the system master.
  • Polarity inversion register
  • Active low interrupt output
  • Active low reset input
  • Low standby current consumption
  • Noise filter on SCL/SDA input
  • No glitch on power-up
  • Internal power-ON reset
  • Latch-up testing is done to JEDEC standard JESD78 which exceeds 100mA

Applications

Communications & Networking

Product Information

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:
4bit

:
400kHz

:
I2C, SMBus

:
2.3V

:
5.5V

:
TSSOP

:
10Pins

:
4I/O's

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

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