PCA9539RGE - Brand New Texas Instruments I/O Expanders
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Description
The PCA9539RGE is an electronic component that belongs to the category of I/O expanders. It is a 24-pin CMOS device used to expand the general-purpose parallel input/output (GPIO). This device provides 16 bits of GPIO expansion and is equipped with an interrupt and reset for I2C-bus/SMBus applications. The PCA9539RGE was developed to improve the NXP Semiconductors family of I2C-bus I/O expanders. The I/O expanders are a simple solution used when additional I/O is needed for ACPI power switches, sensors, push buttons, LEDs, fans, and other similar devices.
Specifications and features
The following are the features of the PCA9539RGE:
- 16-bit I2C-bus GPIO with interrupt and reset.
- Operating power supply voltage range of 2.3 V to 5.5 V.
- 5 V tolerant I/Os.
- Polarity inversion register.
- Active LOW interrupt output.
- Active LOW reset input.
- Low standby current.
- Noise filter on SCL/SDA inputs.
- No glitch on power-up.
- Internal power-on reset.
- 16 I/O pins which default to 16 inputs.
- 0 Hz to 400 kHz clock frequency.
- ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101.
- Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA.
- Offered in three different packages: SO24, TSSOP24, and HVQFN24.
Application Scenarios
The PCA9539RGE is ideal for use in a variety of applications, including ACPI power switches, sensors, push buttons, LEDs, fans, and other similar devices. This device is mainly used for adding additional I/O to a system without the need for complex circuitry and wiring.
Comparison
Advantages:- High ESD protection
- Low standby current
- Active LOW interrupt output and reset input
- Internal power-on reset
- No glitch on power-up
Disadvantages:None found.
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Datasheet
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Popular parts of the same kind
- Datasheet: Download PCA9539RGE
- Chipdatas Part: CD87-PCA9539RGE
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- Last Updated: 2024/06/13 18:38 +0800
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