8574T The Philips 8574T is an IO Expander that provides remote I/O expansion via an I2C-bus. It operates from 2.5V to 6V and features a 100kHz I2C interface.
Mfr Part #:

8574T

Available from 1 distributors
Mfr Name: Philips
Philips
The Philips 8574T is an IO Expander that provides remote I/O expansion via an I2C-bus. It operates from 2.5V to 6V and features a 100kHz I2C interface.
✓ Total Stock: 500 pcs
$ Price Range: $0.99

8574T Available from 1 distributor

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✓ Non-Authorised
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500 pcs
500 pcs On Request 1 On Request On Request On Request On Request On Request

8574T Specifications Quick View

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8574T Description

Short technical summary and product information.

The Philips 8574T is a versatile IO Expander designed for general-purpose remote I/O expansion using a two-wire I2C-bus. It operates within a supply voltage range of 2.5V to 6V and supports a 100kHz I2C interface, making it suitable for a wide array of applications.

 

This device features eight quasi-bidirectional ports that can be independently configured as inputs or outputs. The latched output ports are capable of directly driving LEDs, and the device offers a total package sink capability of 80 mA. A key benefit is its low standby current of 2.5 µA typical, which is ideal for mobile applications.

 

The 8574T includes three hardware address pins, allowing up to eight devices to be connected on the same I2C-bus, thus enabling the expansion of up to 128 I/Os. It also provides an active LOW open-drain interrupt output that can signal a microcontroller when an input state changes, reducing the need for continuous polling.

 

Packaged in an SSOP20 format, the 8574T is designed for surface mounting and operates within a temperature range of -40°C to +85°C.

8574T Quick Information

Product Type: IO Expander
Canonical Name: 8574T I2C-bus to Parallel Port Expander
Subcategory: Interface

8574T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

8574T Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

8574T Features

  • I2C-bus to parallel port expander
  • 100 kHz I2C-bus interface
  • Operating voltage 2.5 V to 6 V
  • Eight quasi-bidirectional ports
  • Low standby current 2.5 µA typical

8574T Applications

  • LED signs and displays
  • Key pads
  • Industrial control
  • Mobile devices
  • Instrumentation and test measurement

8574T FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the 8574T?

The operating supply voltage for the 8574T is from 2.5 V to 6 V.

What is the I2C-bus interface speed of the 8574T?

The 8574T features a 100 kHz I2C-bus interface, operating in Standard-mode.

What is the operating temperature range for the 8574T?

The 8574T operates within a temperature range of -40 °C to +85 °C.

What package type is the 8574T available in?

The 8574T is available in an SSOP20 package.

What is the total package sink capability of the 8574T?

The total package sink capability for the 8574T is 80 mA.

What is the typical low standby current for the 8574T?

The 8574T has a typical low standby current of 2.5 µA in static conditions.

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