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771-PCA9538ABSHP

Interface - I/O Expanders 8bit I2C IO Port

Product Category: I/O Expanders
Mfr. Part #
PCA9538ABSHP
Manufacturer: NXP
Package: Cut Tape/Reel
Lead Free Status /RoHS Status:
Data Sheet: PCA9538ABSHP Datasheet
Inventory: In Stock

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Mfr. Part #: PCA9538ABSHP

Specifications
Product Details

Specifications

Manufacturer NXP

Mounting Style SMD/SMT

Package / Case HVQFN-16

Interface Type I2C, Serial, SMBus

Number of I/Os 8 I/O

Interrupt Output With Interrupt

Supply Voltage - Min 1.65 V

Supply Voltage - Max 5.5 V

Maximum Clock Frequency 100 kHz

Minimum Operating Temperature - 40 C

Maximum Operating Temperature + 85 C

Packaging Cut Tape

Packaging Reel

ESD Protection 2 kV

Input Voltage 1.65 V to 5.5 V

Output Current 25 mA

Output Voltage 6.5 V

Product I/O Expanders

Type I/O Expander

Brand NXP Semiconductors

Logic Type I2C, SMBus

Operating Supply Current 160 mA

Operating Supply Voltage 1.65 V to 5.5 V

Pd - Power Dissipation 200 mW

Product Type I/O Expanders

Standard Pack Qty 6000

Subcategory Interface ICs

Product Details

General description

The PCA9538A is a low-voltage 8-bit General Purpose Input/Output (GPIO) expander with interrupt and reset 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 ACPIpower switches, sensors, push buttons, LEDs, fan control, etc.
In addition to providing a flexible set of GPIOs, the wide VDDrange of 1.65 V to 5.5 V allows the PCA9538A to interface with next-generation microprocessors and microcontrollers where supply levels are dropping down to conserve power.
The PCA9538A contains the PCA9538A register set of four 8-bit Configuration, Input, Output, and Polarity Inversion registers.

Features and benefits

ï® I2C-bus to parallel port expander
ï® Operating power supply voltage range of 1.65 V to 5.5 V
ï® Low standby current consumption:
ïµ1.5ïA (typical at 5 V VDD)
ïµ 1.0ïA (typical at 3.3 V VDD)
ï® Schmitt-trigger action allows slow input transition and better switching noise immunity at the SCL and SDA inputs
ïµVhys=0.10ï‚´VDD(typical)
ï® 5 V tolerant I/Os
ï® Active LOW reset input (RESET)
ï® Open-drain active LOW interrupt output (INT)
ï® 400 kHz Fast-mode I2C-bus
ï® Internal power-on reset
ï® Power-up with all channels configured as inputs
ï® No glitch on power-up
ï® Latched outputs with 25 mA drive maximum capability for directly driving LEDs
ï® Latch-up performance exceeds 100 mA per JESD78, Class II
ï® ESD protection exceeds JESD22
ïµ2000 V Human Body Model (A114-A)
ïµ 1000 V Charged-Device Model (C101)
ï® Packages offered: TSSOP16 and HVQFN16

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Mfr. Part #: PCA9538ABSHP