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TCA9544APWR
+BOMIC MULTIPLEXER 1 X 1:4 20TSSOP
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ManufacturerTexas Instruments
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Mfr. Part #TCA9544APWR
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Package TSSOP (PW)-20
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In Stock1395
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | TCA |
| ProductStatus | Active |
| Type | Multiplexer |
| Circuit | 1 x 1:4 |
| IndependentCircuits | 1 |
| VoltageSupplySource | Single Supply |
| Voltage-Supply | 1.65V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) |
Overview
Description
Key features include:
1. 4-Channel Multiplexer/Demultiplexer: Facilitates communication with multiple I2C devices.
2. I2C/SMBus Compatibility: Supports standard I2C protocol, compatible with SMBus.
3. Individual Channel Selection: Channels are selected via software, with no need for hardware manipulation.
4. Interrupt Outputs: Provides individual interrupt outputs for each channel to alert the microcontroller of events.
5. Wide Voltage Range: Operates typically from 2.3V to 5.5V, making it suitable for a variety of applications.
6. ESD Protection: Enhances device reliability through built-in ESD protection.
The TCA9544APWR is widely used in applications requiring efficient control of multiple I2C devices, such as consumer electronics, communication systems, and data acquisition modules.
Equivalent
Features
1. I2C Bus Multiplexer: It enables one I2C master device to communicate with multiple I2C slave devices, using four separate downstream channels.
2. Voltage Supply Range: Operates from 2.3 V to 5.5 V, allowing compatibility with a variety of systems.
3. Channel Selection: Each channel can be individually enabled or disabled, controlled via the I2C bus.
4. Interrupt Logic: Includes an interrupt function for each channel, which can help manage and prioritize multiple slave devices.
5. Low Standby Current: Efficient power usage with minimal current draw in standby mode.
6. Package and Temperature: Available in TSSOP and other package types, suitable for a wide operating temperature range.
7. Addressing Capability: Supports up to eight devices on the same I2C bus by varying the address pins, facilitating expanded system architectures.
These features make the TCA9544APWR ideal for complex systems that require multiple I2C communications paths.