PCA9535EDTR2G
Interface - I/O Expanders 16-BIT I/O EXPANDER
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PCA9535EDTR2G 數據表
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詳細說明
The PCA9535E and PCA9535EC devices offer a convenient solution for expanding General Purpose Input/Output capabilities with its 16 bits of parallel GPIO through the I2C bus/SMBus. These devices feature configuration registers for selecting input or output modes, as well as polarity inversion for customized operational settings. The ability to configure each I/O individually provides flexibility in adapting to specific requirements. Additionally, the PCA9535E boasts reduced power consumption by removing internal pull-up resistors, ideal for applications where power efficiency is crucial. On the other hand, the PCA9535EC presents high impedance open-drain outputs, catering to scenarios where signal isolation is essential
主要特徵
- PCA95EDTR2G supports I2C interface
- Safe operating range: 2.3V-5.5V
- GPIO pins with programmable polarity inversion
- Software reset capability for improved reliability
應用
- Extended Port Integration Support
- Expanded Addressing Functionality
- Optimized I/O Port Expansion
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Status | Active | CAD Models | |
Compliance | PbAHP | Package Type | TSSOP-24 |
Case Outline | 948H-01 | MSL Type | 1 |
MSL Temp (°C) | 260 | Container Type | REEL |
Container Qty. | 2500 | ON Target | Y |
I/O | 16 | Cascadable | 8 Slave ID Addresses |
VCC Min (V) | 1.65 | VCC Max (V) | 5.5 |
Interrupt Output | Yes | I/O Pullups | No |
LED Blink/PWM | No | IO Min (mA) | 25 |
Pricing ($/Unit) | $1.2269Sample |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is PCA9535EDTR2G?
The PCA9535EDTR2G is an 8-bit I2C-bus controlled GPIO expander designed by NXP Semiconductors. It provides general-purpose parallel input/output expansion for microcontroller-based systems, offering additional I/O ports for connecting various peripherals.
How Does PCA9535EDTR2G Work?
The PCA9535EDTR2G operates by communicating over the I2C bus with a microcontroller or other master device to expand the available I/O ports. It allows the microcontroller to control the input and output states of its individual pins through simple I2C commands, enabling flexible interfacing with external devices.
How Many Pins does PCA9535EDTR2G have and What are the Functions of the Pinout Configuration?
The PCA9535EDTR2G comes in a 16-pin TSSOP (Thin Shrink Small Outline Package). The pinout configuration includes:
- P0-P7: 8 GPIO pins for input/output control.
- SCL: I2C clock input for communication.
- SDA: I2C data input/output for communication.
- VCC: Power supply pin.
- GND: Ground pin.
What are the Pros and Cons of PCA9535EDTR2G?
Pros:
- Expandable I/O: Provides additional GPIO pins for system expansion.
- I2C Interface: Easy to use with standard I2C communication protocol.
- Programmable Output Configuration: Allows individual pin configuration as input or output.
- Low Standby Current: Consumes low power when in standby mode.
- Small Package Size: Compact 16-pin TSSOP package for space-constrained designs.
Cons:
- Complexity: Requires understanding of I2C communication for proper configuration.
- External Pull-Up Resistors: May need external pull-up resistors for proper I2C bus operation.
- No Internal Voltage Translation: Requires external level shifting for interfacing with different voltage domains.
Are There Any Equivalents/Alternatives to PCA9535EDTR2G for Recommendation?
- Alternative parts to the PCA9535EDTR2G include the MCP23008 from Microchip Technology and the MAX7311 from Maxim Integrated.
- Equivalents to the PCA9535EDTR2G are the TCA6416 from Texas Instruments and the SX1509 from Semtech.
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