IS31IO7325O-TR

狀態 Prod
Vdd(V) 2.4-5.5
ISD(uA) 0.3
I / O端口 16
文件 Eval Board
腳位尺寸(mm) QFN-24, SOP-24
控制接口 I2C
Interrupt Output I/O state change
產品系列 31 = Commercial/Industrial Analog
IC代碼 7325 = 7325
產品類別 IO = Multi- Function IO & Expander
包裝選項 blank = Tray or Tube
外包裝 Tape on Reel

IS31IO7325O-TR 特徵

  • 400kHz I2C serial interface
  • 2.4V to 5.5V operation
  • 8 push-pull I/O ports
  • 8 open-drain I/O ports, rated to 20mA sink current at 0.22V headroom January 2014
  • -40°C ~ +125°C temperature range INTB output alerts change on inputs
  • Selectable I/O port power-up default logic states
  • Low 0.3μA (Typ.) standby current
  • Cell phones
  • Notebooks
  • SAN/NAS
  • Satellite radio
  • Servers

概觀

The IS31IO7325 2-wire serial-interfaced peripheral features 16 I/O ports. Ports are divided into eight push pull I/Os and eight open-drain I/Os and transition detection. Any of the 16 I/O ports can be configured as an input or an output. All I/O ports configured as inputs are continuously monitored for state changes (transition detection). State changes are indicated by the INTB output. The interrupt is latched, allowing detection of transient changes. When the IS31IO7325 is subsequently read through the serial interface, any pending interrupt is cleared. The open-drain outputs are rated to sink 20mA at 0.22V headroom, and are capable of driving LEDs. The RSTB input clears the serial interface, terminating any I2C communication to or from the IS31IO7325. The IS31IO7325 uses two address inputs to allow 4 I2C slave addresses. The slave address also determines the power-up logic state for the I/O ports.

 

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