PCF8575CDWE4

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Series Information for PCF8575CDWE4 - Texas Instruments

Features

  • feature
    400-kHz Fast I2 C Bus
  • feature
    Address by Three Hardware Address Pins for Use of up to Eight Devices
  • feature
    Compatible With Most Microcontrollers
  • feature
    ESD Protection Exceeds JESD 22
  • feature
    I2 C to Parallel-Port Expander
  • feature
    Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • feature
    Latched Outputs With High-Current Drive Capability for Directly Driving LEDs
  • feature
    Low Standby-Current Consumption of 10 u03bcA Maximum
  • feature
    Open-Drain Interrupt Output
PCF8575CDWE4 image
RoHS Compliant

Description

IC 16BIT I2C/SMBUS EXPANDER 8575

This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 4.5-V to 5.5-V 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 pullup 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. Any change in setting of the I/Os as either inputs or outputs can be done with the write mode. If a high is applied externally to an I/O that has been written earlier to low, a large current (IOL) flows to GND.

Specifications

Chip Configuration:
16bit
Bus Frequency:
400kHz
IC Interface Type:
I2C Parallel SMBus
Supply Voltage Min:
4.5V
Supply Voltage Max:
5.5V
Interface Case Style:
SOIC
No. of Pins:
24Pins
No. of I/O's:
16I/O's
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Base Number:
8575
Communication Function:
I/O Expander
Control Interface:
I2C Parallel
IC Generic Number:
8575
Logic Function Number:
8575
No. of Bits:
16bit
Operating Temperature Max:
85°C
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Supply Current:
10µA
Supply Voltage Range:
4.5V to 5.5V
Termination Type:
Surface Mount Device

Alternate Descriptions

Newark Electronics
IC, 16BIT I2C/SMBUS EXPANDER, 8575; Chip Configuration:16bit; Bus Frequency:400kHz; IC Interface Type:I2C, Parallel, SMBus; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Interface Case Style:SOIC; No. of Pins:24Pins; No. of RoHS Compliant: Yes
Avnet America
I2C and SMBus Low Power I/O Expander 24-Pin SOIC Tube
Transfer Multisort Elektronik
IC: interface; I/O expander; I2C, SMBus; Channels:2; 4.5÷5.5VDC
Avnet Europe
I2C and SMBus Low Power I/O Expander 24-Pin SOIC Tube