PCF8574T
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  • PCF8574T
ID: 205184
zł8.86
Tax included

zł7.20 tax excl.

Remote 8-bit I/O expander for I2C-bus, SO16, NXP, RoHS
24h
Available
Available quantity: 3
 

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14 days for return

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PCF8574T
Remote 8-bit I/O expander for I2C-bus, SO16, NXP, RoHS


The PCF8574 provides general-purpose remote I/O expansion via the two-wire bidirectional I2C-bus (serial clock (SCL), serial data (SDA)).

The devices consist of eight quasi-bidirectional ports, 100 kHz I2C-bus interface, three hardware address inputs and interrupt output operating between 2.5 V and 6 V. The quasi-bidirectional port can be independently assigned as an input to monitor interrupt status or keypads, or as an output to activate indicator devices such as LEDs. System master can read from the input port or write to the output port through a single register.

Features:

  • I2C-bus to parallel port expander
  • 100 kHz I2C-bus interface (Standard-mode I2C-bus)
  • Operating supply voltage 2.5 V to 6 V with non-overvoltage tolerant I/O held to VDD with 100 µA current source
  • 8-bit remote I/O pins that default to inputs at power-up
  • Latched outputs directly drive LEDs
  • Total package sink capability of 80 mA
  • Active LOW open-drain interrupt output
  • Eight programmable slave addresses using three address pins
  • Low standby current (2.5 µA typical)
  • -40 °C to +85 °C operation
  • ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101
  • Latch-up testing is done to JEDEC standard JESD78 which exceeds 100 mA
  • SO16 packages

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205184

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