PCA9554BPWJ ,Interface IC, Interface Controller - NXP

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

Popularity Score

74 points

Part No

PCA9554BPWJ
Manufacturer

NXP
ChipWorker Part#

CW7641733
Category

Interface IC, Interface Controller
Package

TSSOP-16
Description

I2C/SMBus GPIO Expander 100kHz/400kHz 5.5V 16Pin TSSOP
Documentation

Datasheet
Ships from

Moscow
Наличие

21004 pcs In Stock
Estimated Price

$ 0.88

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PCA9554BPWJ Specifications

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Attribute	Attribute Value

Part Number	PCA9554BPWJ
Manufacturer	NXP
ChipWorker Part#	CW7641733
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	TSSOP-16
Output Voltage	6.5 V
Output Current	25 mA
Number of Positions	16 Position
Clock Speed	400 kHz
Power Dissipation	200 mW
Number of Inputs and Outputs	8 Input IO
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	1.65V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	1.65 V
Input Voltage	1.65V ~ 5.5V
	expand all
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

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Product Description

Overview
The PCA9554B and PCA9554C are low-voltage 8-bit General Purpose Input/Output (GPIO) expanders with interrupt for I²C-bus/SMBus applications. The only difference between the PCA9554B and PCA9554C is their I²C fixed address allowing a larger number of the same device on the I²C-bus with no chance of address conflict. 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 allow the PCA9554B/PCA9554C to interface with next-generation microprocessors and microcontrollers where supply levels are dropping down to conserve power.
The PCA9554B/PCA9554C contain a register set of 8-bit Configuration, Input, Output, and Polarity Inversion registers.
The PCA9554B is a pin-to-pin replacement for the PCA9554, while the PCA9554C replaces the PCA9554A. Both of these devices replace other industry-standard part numbers. More fully-featured parts PCAL9554B and PCAL9554C are also available with Agile I/O features. See the respective data sheet for more details.
The PCA9554B/PCA9554C 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.
INT can be connected to the interrupt input of a microcontroller. By sending an interrupt signal on this line, the remote I/O can inform the microcontroller if there is incoming data on its ports without having to communicate via the I²C-bus. Thus, the PCA9554B/PCA9554C can remain a simple slave device.
The device outputs have 25 mA sink capabilities for directly driving LEDs while consuming low device current.
The power-on reset sets the registers to their default values and initializes the device state machine.
All input/output pins have weak pull-up resistors connected to them to eliminate external components.
Three hardware pins (A0, A1, A2) select the fixed I²C-bus address and allow up to eight devices to share the same I²C-bus/SMBus. The PCA9554B and PCA9554C differ only in their base I²C-bus addresses permitting a total of 16 devices on the I²C-bus, minimizing the chance for address conflict, even in the most complex system.
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## Features
* I² C-bus to parallel port expander
* Operating power supply voltage range of 1.65 V to 5.5 V
* Low standby current consumption:
* 1.5 μA (typical at 5 V VDD)
* 1.0 μA (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 x VDD (typical)
* 5 V tolerant I/Os
* Open-drain active LOW interrupt output (INT)
* 400 kHz Fast-mode I² C-bus
* Input/output configuration register
* Polarity inversion register
* Internal power-on reset
* Power-up with all channels configured as inputs
* 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: TSSOP16 and HVQFN16
## Features

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