PCA9555APW - NXP

The pictures are for reference only, and the specific specifications can be found in the product manual.

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35 points

Part No

PCA9555APW
Manufacturer

NXP
ChipWorker Part#

CW354279527
Package

TSSOP-24
Description

Low-voltage 16Bit IC-bus I/O port with interrupt and weak pull-up
Documentation

Datasheet
Ships from

Moscow
Наличие

2500 pcs In Stock
Estimated Price

$ 0.67

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PCA9555APW Specifications

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Attribute	Attribute Value

Part Number	PCA9555APW
Manufacturer	NXP
ChipWorker Part#	CW354279527
Documentation	Datasheet
Mounting Style	Surface Mount
Case/Package	TSSOP-24
	expand all
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

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Product Description

General description
The PCA9555A is a low-voltage 16-bit General Purpose Input/Output (GPIO) expander with interrupt and weak pull-up resistors for I2C-bus/SMBus applications. NXP I/O expanders provide a simple solution when additional I/Os are needed while keeping interconnections to a minimum, for example, in ACPI power switches, sensors, push buttons, LEDs, fan control, etc.
In addition to providing a flexible set of GPIOs, the wide VDD range of 1.65 V to 5.5 V allows the PCA9555A to interface with next-generation microprocessors and microcontrollers where supply levels are dropping down to conserve power.
The PCA9555A contains the PCA9555 register set of four pairs of 8-bit Configuration, Input, Output, and Polarity Inversion registers.
Features and benefits
■ I2C-bus to parallel port expander
■ Operating power supply voltage range of 1.65 V to 5.5 V
■ Low standby current consumption:
♦ 1.5 A (typical at 5 V VDD)
♦ 1.0 A (typical at 3.3 V VDD)
■ Schmitt-trigger action allows slow input transition and better switching noise immunity at the SCL and SDA inputs
♦ Vhys = 0.10  VDD (typical)
■ 5 V tolerant I/Os
■ Open-drain active LOW interrupt output (INT)
■ 400 kHz Fast-mode I2C-bus
■ Internal power-on reset
■ Power-up with all channels configured as inputs with weak pull-up resistors
■ No glitch on power-up
■ Latched outputs with 25 mA drive maximum capability for directly driving LEDs
■ Latch-up performance exceeds 100 mA per JESD78, Class II
■ ESD protection exceeds JESD22
■ 2000 V Human Body Model (A114-A)
■ 1000 V Charged-Device Model (C101)
■ Packages offered: TSSOP24, HWQFN24

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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