PCF8574PWAlternatives & Equivalent Parts
About PCF8574PW
PCF8574PW is a Integrated Circuit component manufactured by Texas Instruments. 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 | PCF8574PWSource | PCF8574PWR | PCF8574APW | PCF8574APWR |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | TSSOP-16 | TSSOP-20 | TSSOP-16 |
| Pin Count | 20 | 16 | 20 | 16 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.8597 | $0.8539 | $0.8988 | $0.3640 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| YTEOL | 0 | — | — | — |
| Address Bus Width | 8 | — | — | — |
| Clock Frequency-Max | 0.1 MHz | — | — | — |
| JESD-30 Code | R-PDSO-G20 | — | — | — |
| JESD-609 Code | e4 | — | — | — |
| Number of Bits | 8 | — | — | — |
| Number of I/O Lines | 8 | — | — | — |
| Number of Ports | 1 | — | — | — |
| Package Body Material | PLASTIC/EPOXY | — | — | — |
| Package Equivalence Code | DIP20,.3 | — | — | — |
| Package Shape | RECTANGULAR | — | — | — |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — | — | — |
| 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 | 0.65 mm | — | — | — |
| Terminal Position | DUAL | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | — | — |
| uPs/uCs/Peripheral ICs Type | PARALLEL IO PORT, GENERAL PURPOSE | — | — | — |
| supplyVoltageMin | — | 2.5 V | — | — |
| supplyVoltageMax | — | 6 V | — | — |
| interface | — | I2C | I2C / SMBus | — |
| i2cSpeedMax | — | 400 kHz | — | — |
| numberOfIOs | — | 8 | — | — |
| addressPins | — | 3 | — | — |
| operatingTempMin | — | -40 °C | — | — |
| operatingTempMax | — | 85 °C | — | — |
| supplyCurrentStandby | — | 10 µA | — | — |
| supplyVoltage | — | — | 2.5V to 6V | — |
| maxClockFrequency | — | — | 400 kHz | — |
| ioPins | — | — | 8 | — |
| operatingTemperature | — | — | -40 to +85 | — |
| packageType | — | — | TSSOP-20 | — |
| pitch | — | — | 0.65 mm | — |
| addressableDevices | — | — | 8 per bus | — |
| interruptOutput | — | — | Yes (active-low) | — |
| Supply Voltage | — | — | — | 2.5 to 6 V |
| Interface | — | — | — | I2C |
| I/O Channels | — | — | — | 8 |
| Operating Temperature | — | — | — | -40 to +85 °C |
| I2C Speed | — | — | — | 400 kHz |
| Package | — | — | — | TSSOP-16 |
| Supply Current (standby) | — | — | — | 10 µA |
| Logic High Output Current (IOH) | — | — | — | 0.3 mA |
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 PCF8574PW — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for PCF8574PW 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 PCF8574PW 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 PCF8574PW?
Known equivalents for PCF8574PW include PCF8574PWR, PCF8574APW, PCF8574APWR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PCF8574PW?
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 PCF8574PW 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.