PCF8574ADWAlternatives & Equivalent Parts
About PCF8574ADW
PCF8574ADW is an electronic component manufactured by Texas Instruments. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | PCF8574ADWSource | PCF8574ADWR | PCF8574AN |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | — | Small Outline Packages | Dual-In-Line Packages |
| Pin Count | — | 16 | 16 |
| Temperature Range | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.9750 | $0.5670 | $1.7700 |
| Stock | In Stock | In Stock | In Stock |
| Lifecycle | — | ACTIVE | ACTIVE |
| Electrical Parameters | |||
| Supply Voltage | 2.5–6 V | — | — |
| I2C Bus Speed | 400 kHz | — | — |
| I/O Ports | 8 | — | — |
| Interrupt Output | Active-low /INT | — | — |
| Standby Current | 10 μA | — | — |
| Operating Temperature | -40 to +85 °C | — | — |
| Package | SOIC-20W | — | — |
| Interface | I2C | — | — |
| Pbfree Code | — | Yes | Yes |
| YTEOL | — | 15 | 15 |
| Address Bus Width | — | 8 | 8 |
| Clock Frequency-Max | — | 0.1 MHz | 0.1 MHz |
| JESD-30 Code | — | R-PDSO-G16 | R-PDIP-T16 |
| JESD-609 Code | — | e4 | e4 |
| Number of Bits | — | 8 | 8 |
| Number of I/O Lines | — | 8 | 8 |
| Number of Ports | — | 8 | 8 |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | SOP16,.4 | DIP16,.3 |
| Package Shape | — | RECTANGULAR | RECTANGULAR |
| Package Style | — | SMALL OUTLINE | IN-LINE |
| Peak Reflow Temperature (Cel) | — | 260 | — |
| Qualification Status | — | Not Qualified | Not Qualified |
| Supply Current-Max | — | 0.1 mA | 0.1 mA |
| Supply Voltage-Max | — | 6 V | 6 V |
| Supply Voltage-Min | — | 2.5 V | 2.5 V |
| Supply Voltage-Nom | — | 5 V | 5 V |
| Surface Mount | — | YES | NO |
| Technology | — | CMOS | CMOS |
| Temperature Grade | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | — | GULL WING | THROUGH-HOLE |
| Terminal Pitch | — | 1.27 mm | 2.54 mm |
| Terminal Position | — | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | — |
| uPs/uCs/Peripheral ICs Type | — | PARALLEL IO PORT, GENERAL PURPOSE | PARALLEL IO PORT, GENERAL PURPOSE |
| ## PCF8574AN Alternates Showing results | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 2 alternatives for PCF8574ADW — response within 24 hours.
Quick Links
Tape-and-reel packaging variant of PCF8574ADW; identical electrical specs, same footprint, drop-in replacement for high-volume SMT assembly
Why Look for Alternatives?
Finding alternatives for PCF8574ADW is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating PCF8574ADW replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to PCF8574ADW?
Known equivalents for PCF8574ADW include PCF8574ADWR, PCF8574AN. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PCF8574ADW?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify PCF8574ADW alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.