PCA9557DRAlternatives & Equivalent Parts
About PCA9557DR
PCA9557DR 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.
Specification Comparison
| Parameter | PCA9557DRSource | PCA9557DT |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages |
| Pin Count | 16 | 16 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.8450 | $0.9628 |
| Electrical Parameters | ||
| Pbfree Code | Yes | — |
| YTEOL | 15 | 0 |
| Address Bus Width | 8 | 8 |
| Clock Frequency-Max | 0.4 MHz | 0.4 MHz |
| JESD-30 Code | R-PDSO-G16 | R-PDSO-G16 |
| JESD-609 Code | e4 | e4 |
| Number of Bits | 8 | 8 |
| Number of I/O Lines | 8 | 8 |
| Number of Ports | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 | SOP16,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified |
| Supply Current-Max | 0.025 mA | 0.025 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V |
| Supply Voltage-Min | 2.3 V | 2.3 V |
| Supply Voltage-Nom | 2.5 V | 2.5 V |
| Surface Mount | YES | YES |
| 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 | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | NOT SPECIFIED |
| uPs/uCs/Peripheral ICs Type | PARALLEL IO PORT, GENERAL PURPOSE | PARALLEL IO PORT, GENERAL PURPOSE |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for PCA9557DR 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 PCA9557DR 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for PCA9557DR. Get expert recommendations within 24 hours.
Request Alternatives for PCA9557DRFAQ
What is equivalent to PCA9557DR?
Known equivalents for PCA9557DR include PCA9557DT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PCA9557DR?
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 PCA9557DR 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.