PCA9554TS - Brand New NXP Semiconductors I/O Expanders
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Description
The PCA9554TS is a CMOS device that offers General Purpose parallel Input/Output (GPIO) expansion for I2C/SMBus applications. This device is a great solution when additional I/Os are needed for ACPI power switches, sensors, pushbuttons, LEDs, fans, and more. It is an enhanced version of the Philips family of IC I/O expanders and comes with several improvements such as higher drive capability, 5V I/O tolerance, lower supply current, individual I/O configuration, 400 kHz clock frequency, and smaller packaging.
Specifications and features
- Operating power supply voltage range of 2.3 to 5.5 V
- 5 V 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
- 8 I/O pins which default to 8 inputs
- 0 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 JESDEC Standard JESD78 which exceeds 100 mA
- Six packages offered: DIP16, SO16, SSOP16, SSOP20, TSSOP16, and HVQFN16
Application Scenarios
The PCA9554TS is commonly used for I2C/SMBus applications when extra I/Os are needed to control various electronic components like power switches, LEDs, fans, and others. It is also suitable for use in sensors and pushbutton applications that require parallel GPIO expansion.
Comparison
Advantages- Higher drive capability
- 5V I/O tolerance
- Lower supply current
- Individual I/O configuration
- 400 kHz clock frequency
- Smaller packaging
Disadvantages- The PCA9554TS is not suitable for applications where a large number of I/Os is required.
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download PCA9554TS
- Chipdatas Part: CD88-PCA9554TS
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 11:44 +0800
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- Full or Partial Refund , If the item is not as described
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