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TI PCF8575DWR product image
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TI PCF8575DWRRoHS

Manufacturer
TI
MPN
PCF8575DWR
LCSC Part #
C2652278
Packaging
SOIC-24-300mil
Customer #
Key Attributes
Remote 16-bit I/O expander PCF8575 with interrupt output
Datasheetpdf iconTI PCF8575DWR
In-Stock: 8
8 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 3.3739$ 3.37
10+$ 2.8613$ 28.61
30+$ 2.5569$ 76.71
100+$ 2.2477$ 224.77
500+$ 2.1061$ 1053.05
1,000+$ 2.0426$ 2042.60
Standard Packaging2000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Interface/I/O Expanders
ManufacturerTI
PackagingSOIC-24-300mil
Operating Temperature-40℃~+85℃
Interrupt OutputInterrupt Output
Output TypePush-Pull
Number of I/O16
FeaturesReset function;Built-in LED driver;Cascade and address expansion
Voltage - Supply2.5V~5.5V
Quiescent Supply Current10uA
Number of Supporting Devices8
Current - Output High(IOH)300uA
InterfaceI2C;SMBus
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2000
Sales UnitPiece

Introduction

AI Translation

This 16-bit I/O expander for two-wire bidirectional bus (I²C) is designed for 2.5V to 5.5V VCC operating voltage. The PCF8575 device provides general-purpose remote I/O expansion for most microcontroller families via the I²C interface [Serial Clock (SCL), Serial Data (SDA)]. This 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 either an input or output without the need for a data direction control signal. At power-on, these I/Os are at a high level. In this mode, only one current source connected to VCC is active.

Features

AI Translation
  • I²C to parallel port expander
  • Open-drain interrupt output
  • 10μA low standby current consumption (maximum)
  • Compatible with most microcontrollers
  • 400kHz fast I²C bus
  • 3 hardware address pins for addressing up to 8 devices
  • Latched outputs with high-current drive capability for direct LED driving
  • Current source connected to VCC for actively driving outputs high
  • Latch-up performance exceeds JESD 78 Class II specification by 100mA
  • ESD protection performance exceeds JESD 22 specification requirements: 2000V Human Body Model, 200V Machine Model, 1000V Charged Device Model

Applications

AI Translation
  • Telecom shelter: filter units
  • Servers
  • Routers (telecom switching equipment)
  • Personal computers
  • Personal electronics
  • Industrial automation
  • Products using GPIO-constrained processors