PCA9555PWG4 - Brand New Texas Instruments I/O Expanders
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Description
The PCA9555PWG4 is a 24-pin CMOS device that provides 16 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C/SMBus applications. It is an enhanced version of the Philips family of IC I/O expanders, offering higher drive capability, 5V I/O tolerance, lower supply current, individual I/O configuration, and smaller packaging. This I/O expander is ideal for use in ACPI power switches, sensors, pushbuttons, LEDs, fans, and more.
Specifications and features
- Operating power supply voltage range: 2.3V to 5.5V
- 5V tolerant I/Os
- Polarity inversion register
- Active-LOW interrupt output
- Low stand-by 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 kHz to 400 kHz clock frequency
- ESD protection exceeds 2000V HBM per JESD22-A114, 200V MM per JESD22-A115, and 1000V CDM per JESD22-C101
- Latch-up testing is done to JESDEC Standard JESD78 which exceeds 100mA
- Five packages offered: DIP24, SO24, SSOP24, TSSOP24, and HVQFN24
Application Scenarios
The PCA9555PWG4 I/O expander is designed to meet the needs of various I2C/SMBus applications. It can be used in a wide range of scenarios, including but not limited to:
- ACPI power switches
- Sensors
- Pushbuttons
- LEDs
- Fans
Comparison
Advantages- Higher drive capability
- 5V I/O tolerance
- Lower supply current
- Individual I/O configuration
- Smaller packagingDisadvantages- None
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Similar parts: 678 , Click to view
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Datasheet
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Popular parts of the same kind
- Datasheet: Download PCA9555PWG4
- Chipdatas Part: CD92-PCA9555PWG4
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
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- Last Updated: 2024/06/13 06:21 +0800
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