20-pin (PW) package image

PCF8574APW OBSOLETE

8-bit 2.5- to 5.5-V I2C/SMBus I/O expander with interrupt

DATA SHEET

PCF8574APW is no longer in production
open-in-new Compare alternates
Drop-in replacement with upgraded functionality to the compared device.
PCF8574APWR ACTIVE 8-bit 2.5- to 5.5-V I2C/SMBus I/O expander with interrupt Replacement

Pricing

Qty Price (USD)
1 — 99 $1.886
100 — 249 $1.558
250 — 999 $1.119
1,000 + 99,999,999 $0.842

Additional package qty | Carrier options These products are exactly the same but come in a different carrier type

PCF8574APWR ACTIVE Custom reel may be available
Package qty | Carrier 2,000 | LARGE T&R
Inventory
Qty | Price (USD) 1ku | $0.400 1 — 99 $0.988 100 — 249 $0.760 250 — 999 $0.560 1,000 + 99,999,999 $0.400

Export classification

*For reference only

  • US ECCN: EAR99

More PCF8574A information

Packaging information

Package | Pins TSSOP (PW) | 20
Operating temperature range (°C) -40 to 85
Package qty | Carrier 70 | TUBE

Features for the PCF8574A

  • Low standby-current consumption of 10µA max
  • I2C to parallel-port expander
  • Open-drain interrupt output
  • Compatible with most microcontrollers
  • Latched outputs with high-current drive capability for directly driving LEDs
  • Latch-up performance exceeds 100 mA Per JESD 78, Class II

Description for the PCF8574A

This 8-bit input/output (I/O) expander for the two-line bidirectional bus (I2C) is designed for 2.5V to 6V VCC operation.

The PCF8574A device provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data (SDA)].

The device features an 8-bit quasi-bidirectional I/O port (P0–P7), 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 high. In this mode, only a current source to VCC is active.

Pricing

Qty Price (USD)
1 — 99 $1.886
100 — 249 $1.558
250 — 999 $1.119
1,000 + 99,999,999 $0.842

Additional package qty | Carrier options These products are exactly the same but come in a different carrier type

PCF8574APWR ACTIVE Custom reel may be available
Package qty | Carrier 2,000 | LARGE T&R
Inventory
Qty | Price (USD) 1ku | $0.400 1 — 99 $0.988 100 — 249 $0.760 250 — 999 $0.560 1,000 + 99,999,999 $0.400

Carrier options

You can choose different carrier options based on the quantity of parts, including full reel, custom reel, cut tape, tube or tray.

A custom reel is a continuous length of cut tape from one reel to maintain lot- and date-code traceability, built to the exact quantity requested. Following industry standards, a brass shim connects an 18-inch leader and trailer on both sides of the cut tape for direct feeding into automated assembly machines. TI includes a reeling fee for custom reel orders.

Cut tape is a length of tape cut from a reel. TI may fulfill orders using multiple strips of cut tapes or boxes to satisfy the quantity requested.

TI often ships tube or tray devices inside a box or in the tube or tray, depending on inventory availability. We pack all tapes, tubes or sample boxes according to internal electrostatic discharge and moisture-sensitivity-level protection requirements.

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Lot and date code selection may be available

Add a quantity to your cart and begin the checkout process to view the options available to select lot or date codes from existing inventory.

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