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TCA9535 - 产品图解：
TCA9535-具有中断输出和配置寄存器的远程 16 位 I2C 和 SMBus 低功耗 I/O 扩展器
TCA9535-I2CIO扩展器-I2C-接口
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TI产品 - TCA9535介绍

TCA9535 - 具有中断输出和配置寄存器的远程 16 位 I2C 和 SMBus 低功耗 I/O 扩展器

TCA9535是TI德州仪器公司的一款I2CIO扩展器产品，TCA9535是具有中断输出和配置寄存器的远程 16 位 I2C 和 SMBus 低功耗 I/O 扩展器，本站介绍了TCA9535的封装应用图解、特点和优点、功能等，并给出了与TCA9535相关的TI元器件型号供参考。

TCA9535 - 具有中断输出和配置寄存器的远程 16 位 I2C 和 SMBus 低功耗 I/O 扩展器 - I2CIO扩展器 - I2C - 德州仪器

产品特性
  • I2C to Parallel Port Expander
  • Wide Power Supply Voltage Range of 1.65-V to 5-V
  • Low Standby-Current Consumption of 3μAMax
  • Open-Drain Active-Low Interrupt Output
  • 5-V Tolerant I/O Ports
  • 400-kHz Fast I2C Bus
  • Polarity Inversion Register
  • Address by Three Hardware Address Pins for Use of up to Eight Devices
  • Latched Outputs With High-Current Drive Capability for Directly Driving LEDs
  • Latch-Up Performance Exceeds 100mA Per JESD78, ClassII
  • ESD Protection Exceeds JESD22
    • 2000-V Human-Body Model (A114-A)
    • 1000-V Charged-Device Model (C101)
产品应用
  • Servers
  • Routers (Telecom Switching Equipment)
  • Personal Computers
  • Personal Electronics (For Example, Gaming Consoles)
  • Industrial Automation
  • Products With GPIO-Limited Processors
产品说明

The TCA9535 is a 24-pin device that provides 16 bits of general purpose parallel input/output (I/O) expansion for the two-line bidirectional I2C bus or (SMBus) protocol. The device can operate with a power supply voltage ranging from 1.65 V to 5.5 V. I/O expanders, such as the TCA9535, provide general-purpose remote I/O expansion for most microcontroller families via the I2C interface, providing a simple solution when additional I/Os are needed for switches, sensors, push-buttons, LEDs, fans, and other similar devices.

The TCA9535 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 TCA9535 is identical to the TCA9555, except that the TCA9535 does not include the internal I/O pull-up resistor, which requires pull-ups/pull-downs on unused I/O pins when configured as an input and undriven.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TCA9535TSSOP (24) 7.80 mm x 4.40 mm
WQFN (24) 4.00 mm x 4.00 mm
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