具有中断的 8 位 2.5V 至 5.5V I2C/SMBus I/O 扩展器

This 8-bit input/output (I/O) expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 6-V VCC operation.\n\nThe PCF8574A device provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data (SDA)].\n\nThe dev • Low standby-current consumption of 10 µA max\n• I2C to parallel-port expander\n• Open-drain interrupt output\n• Compatible with most microcontrollers\n• Latched outputs with high-current drive capability for directly driving LEDs\n• Latch-up performance exceeds 100 mA Per JESD 78, Class II;

TI

德州仪器

Remote 8-bit I/O expander for I2C\\u2011bus with interrupt

The PCF8574/74A provides general-purpose remote I/O expansion via the two-wirebidirectional I²C‑bus (serial clock (SCL), serial data (SDA)).\nThe devices consist of eight quasi-bidirectional ports, 100 kHz I²C‑bus interface, threehardware address inputs and interrupt output operating between 2.5 V a I²C-bus to parallel port expander\n100 kHz I²C‑bus interface (Standard-mode I²C-bus)\nOperating supply voltage 2.5 V to 6 V with non-overvoltage tolerant I/O held to VDD with 100 μA current source\n8-bit remote I/O pins that default to inputs at power-up\nLatched outputs directly drive LEDs\nTotal p;

恩XP

Remote 8-bit I/O expander for I2C\\u2011bus with interrupt

The PCF8574/74A provides general-purpose remote I/O expansion via the two-wirebidirectional I²C‑bus (serial clock (SCL), serial data (SDA)).\nThe devices consist of eight quasi-bidirectional ports, 100 kHz I²C‑bus interface, threehardware address inputs and interrupt output operating between 2.5 V a I²C-bus to parallel port expander\n100 kHz I²C‑bus interface (Standard-mode I²C-bus)\nOperating supply voltage 2.5 V to 6 V with non-overvoltage tolerant I/O held to VDD with 100 μA current source\n8-bit remote I/O pins that default to inputs at power-up\nLatched outputs directly drive LEDs\nTotal p;

恩XP

Package：16-SOIC（0.295"，7.50mm 宽）；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 类别：集成电路（IC） I/O 扩展器 描述：IC I/O EXPANDER I2C 8B 16SOIC

TI

德州仪器

Package：16-SOIC（0.295"，7.50mm 宽）；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 类别：集成电路（IC） I/O 扩展器 描述：IC I/O EXPANDER I2C 8B 16SOIC

TI

德州仪器

Package：16-SOIC（0.295"，7.50mm 宽）；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 类别：集成电路（IC） I/O 扩展器 描述：IC I/O EXPANDER I2C 8B 16SOIC

TI

德州仪器