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PCA9539APW,118

I/O Expander, 16bit, 400 kHz, I2C, SMBus, 1.65 V, 5.5 V, TSSOP

NXP PCA9539APW,118

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Manufacturer:
NXP NXP
Manufacturer Part No:
PCA9539APW,118
Order Code:
2400559
Technical Datasheet:
PCA9539APW,118   Datasheet
See all Technical Docs

Product Overview

The PCA9539APW,118 is a 16-bit Input/output (GPIO) Expander with interrupt and reset for I²C-bus/SMBus applications. The NXP I/O expander provides a simple solution when additional I/Os are needed while keeping interconnections to a minimum. In addition to providing a flexible set of GPIOs, the wide VDD range of 1.65 to 5.5V allows the PCA9539A to interface with next-generation microprocessors and microcontrollers where supply levels are dropping down to conserve power. It contains the PCA9539 register set of four pairs of 8-bit configuration, input, output and polarity inversion registers. The expander is a pin-to-pin replacement to the PCA9539 and other industry-standard part numbers. A more fully featured part, it is also available with Agile I/O features. The expander open-drain interrupt (INT) output is activated when any input state differs from its corresponding Input Port register state and is used to indicate to the system master that an input state has changed.
  • Low standby current consumption
  • Schmitt-trigger action allows slow input transition and better switching noise immunity
  • Active low reset input (RESET)
  • Open-drain active LOW interrupt output (INT)\
  • 400kHz Fast-mode I²C-bus
  • Internal power-ON reset
  • Power-up with all channels configured as inputs
  • No glitch on power-up
  • Latched outputs with 25mA drive maximum capability for directly driving LEDs
  • Latch-up performance exceeds 100mA per JESD 78, class II

Applications

Communications & Networking, Industrial

Product Information

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:
16bit

:
400kHz

:
I2C, SMBus

:
1.65V

:
5.5V

:
TSSOP

:
24Pins

:
16I/O's

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (2)

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