Low

PCF8575CPW - 

I/O Expander, 16bit, 400 kHz, I2C, Parallel, SMBus, 4.5 V, 5.5 V, TSSOP

TEXAS INSTRUMENTS PCF8575CPW

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Manufacturer Part No:
PCF8575CPW
Order Code:
1053558
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
16I/O's
:
16bit
:
400kHz
:
24Pins
:
-
:
-
:
TSSOP
:
4.5V
:
I2C, Parallel, SMBus
:
Each
:
5.5V
:
MSL 1 - Unlimited
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Product Overview

The PCF8575CPW is a 16-bit I/O Expander for the two-line bidirectional bus (I²C) is designed for 4.5 to 5.5V VCC operation. The PCF8575C provides general-purpose remote I/O expansion for most microcontroller families via the I²C interface serial clock (SCL) and serial data (SDA). The device features a 16-bit quasi-bidirectional input/output (I/O) port (P07-P00, P17-P10), including latched outputs with high-current drive capability for directly driving LEDs. Each quasi-bidirectional I/O can be used as an input or output without the use of a data-direction control signal. At power on, the I/Os are in 3-state mode. The strong pull-up to VCC allows fast-rising edges into heavily loaded outputs. This device turns on when an output is written high and is switched off by the negative edge of SCL. The I/Os should be high before being used as inputs. After power on, as all the I/Os are set to 3-state, all of them can be used as inputs.
  • Open-drain interrupt output
  • Compatible with most microcontrollers
  • 400kHz Fast I²C bus
  • Address by 3 hardware address pins for use of up to 8 devices
  • Latched outputs with high-current drive capability for directly driving LEDs
  • Latch-up performance exceeds 100mA per JESD 78, class II
  • 10µA Maximum low standby-current consumption
  • Green product and no Sb/Br

Applications

Automation & Process Control, Industrial, Communications & Networking, Consumer Electronics, Computers & Computer Peripherals

Warnings

Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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