PCF8574AT/3Alternatives & Equivalent Parts
About PCF8574AT/3
PCF8574AT/3 is a Integrated Circuit component manufactured by Microchip. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | PCF8574AT/3Source | PCF8574ADWR | PCF8574ADW | PCF8574DW |
|---|---|---|---|---|
| Manufacturer | Microchip | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | — | SOIC-16 |
| Pin Count | 16 | 16 | — | 16 |
| Temperature Range | — | -40.0°C ~ 85.0°C | — | 0.0°C ~ 70.0°C |
| Price | $1.0000 | $0.5670 | $0.9750 | $0.5507 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | — | ACTIVE | — | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | — | Yes | — | — |
| YTEOL | — | 15 | — | — |
| Address Bus Width | — | 8 | — | — |
| Clock Frequency-Max | — | 0.1 MHz | — | — |
| JESD-30 Code | — | R-PDSO-G16 | — | — |
| JESD-609 Code | — | e4 | — | — |
| Number of Bits | — | 8 | — | — |
| Number of I/O Lines | — | 8 | — | — |
| Number of Ports | — | 8 | — | — |
| Package Body Material | — | PLASTIC/EPOXY | — | — |
| Package Equivalence Code | — | SOP16,.4 | — | — |
| Package Shape | — | RECTANGULAR | — | — |
| Package Style | — | SMALL OUTLINE | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | — | — |
| Qualification Status | — | Not Qualified | — | — |
| Supply Current-Max | — | 0.1 mA | — | — |
| Supply Voltage-Max | — | 6 V | — | — |
| Supply Voltage-Min | — | 2.5 V | — | — |
| Supply Voltage-Nom | — | 5 V | — | — |
| Surface Mount | — | YES | — | — |
| Technology | — | CMOS | — | — |
| Temperature Grade | — | INDUSTRIAL | — | — |
| Terminal Finish | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | — |
| Terminal Form | — | GULL WING | — | — |
| Terminal Pitch | — | 1.27 mm | — | — |
| Terminal Position | — | DUAL | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | — | — |
| uPs/uCs/Peripheral ICs Type | — | PARALLEL IO PORT, GENERAL PURPOSE | — | — |
| 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 | — |
| supply_voltage | — | — | — | 2.5V to 6V |
| interface | — | — | — | I2C / SMBus (400kHz Fast-mode) |
| io_count | — | — | — | 8 |
| operating_temperature | — | — | — | 0C to 70C |
| package | — | — | — | SOIC-16 Wide |
| interrupt | — | — | — | Active-low interrupt output |
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 3 alternatives for PCF8574AT/3 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for PCF8574AT/3 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 PCF8574AT/3 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 PCF8574AT/3?
Known equivalents for PCF8574AT/3 include PCF8574ADWR, PCF8574ADW, PCF8574DW. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PCF8574AT/3?
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 PCF8574AT/3 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.