TCA9555PWR - Brand New Texas Instruments I/O Expanders
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Description
This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 1.65-V to 5.5-V VCC operation. It provides general purpose remote I/O expansion for most microcontroller families via the I2C interface.
The TCA9555 consists of two 8-bit Configuration (input or output selection), Input Port, Output Port, and Polarity Inversion (active high or active low operation) registers. At power on, the I/Os are configured as inputs. The system master can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits.
The data for each input or output is kept in the corresponding Input or Output register. The polarity of the Input Port register can be inverted with the Polarity Inversion register.Specifications and features
• Low Standby-Current Consumption of 3.5 μA Maximum
• I2C to Parallel Port Expander
• Open-Drain Active-Low Interrupt Output
• 5-V Tolerant I/O Ports
• Compatible With Most Microcontrollers
• 400-kHz Fast I2C Bus
• Configurable Slave Address with 3 Address Pins
• Polarity Inversion Register
• Latched Outputs With High-Current Drive Capability for Directly Driving LEDs
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 1000-V Charged-Device Model (C101)Application Scenarios
• Servers
• Routers (Telecom Switching Equipment)
• Personal Computers
• Personal Electronics
• Industrial Automation Equipment
• Products with GPIO-Limited Processors -
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download TCA9555PWR
- Chipdatas Part: CD94-TCA9555PWR
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 07:57 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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