PIC18F2431-I/SOAlternatives & Equivalent Parts
About PIC18F2431-I/SO
PIC18F2431-I/SO 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 | PIC18F2431-I/SOSource | PIC18F67K40-I/PT | 53408-0579 | CS4344-CZZ |
|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Molex | Cirrus Logic |
| Package Type | Small Outline Packages | Quad Flat Packages | Other | Small Outline Packages |
| Pin Count | 28 | 64 | 52 | 10 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | -10.0°C ~ 70.0°C |
| Price | $4.4500 | $2.1300 | $9.2800 | $0.5508 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | — | Yes | Yes |
| Manufacturer Package Code | SOIC-28 | TQFP-64 | — | — |
| Factory Lead Time | 11 Weeks | 8 Weeks | — | 111 Weeks |
| YTEOL | 8 | 19 | 0 | 0 |
| Has ADC | YES | YES | — | — |
| Bit Size | 8 | 8 | — | — |
| Boundary Scan | NO | NO | — | — |
| CPU Family | PIC18 | PIC18 | — | — |
| Clock Frequency-Max | 40 MHz | 64 MHz | — | — |
| DAC Channels | NO | YES | — | — |
| DMA Channels | NO | NO | — | — |
| Format | FIXED POINT | FIXED POINT | — | — |
| Integrated Cache | NO | NO | — | — |
| JESD-30 Code | R-PDSO-G28 | S-PQFP-G64 | — | S-PDSO-G10 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | YES | — | — |
| Number of External Interrupts | 3 | 4 | — | — |
| Number of I/O Lines | 24 | 60 | — | — |
| Number of Serial I/Os | 1 | 5 | — | — |
| Number of Timers | 6 | 12 | — | — |
| On Chip Data RAM Width | 8 | 8 | — | — |
| On Chip Program ROM Width | 8 | 8 | — | — |
| PWM Channels | YES | YES | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 | TQFP64,.47SQ | — | TSSOP10,.19,20 |
| Package Shape | RECTANGULAR | SQUARE | — | SQUARE |
| Package Style | SMALL OUTLINE | FLATPACK, THIN PROFILE, FINE PITCH | — | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 250 | 260 | — | 260 |
| Qualification Status | Not Qualified | — | — | Not Qualified |
| RAM (bytes) | 768 | 3568 | — | — |
| ROM (words) | 16384 | 131072 | — | — |
| ROM Programmability | FLASH | FLASH | — | — |
| Screening Level | TS 16949 | — | — | — |
| Speed | 40 MHz | 64 MHz | — | — |
| Supply Current-Max | 15 mA | 12 mA | — | 30 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | — | — |
| Supply Voltage-Min | 4.2 V | 3 V | — | — |
| Supply Voltage-Nom | 5 V | — | — | 3.3 V |
| Surface Mount | YES | YES | — | YES |
| Technology | CMOS | CMOS | — | — |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | — | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | — | MATTE TIN |
| Terminal Form | GULL WING | GULL WING | — | GULL WING |
| Terminal Pitch | 1.27 mm | 0.5 mm | 1 mm | 0.5 mm |
| Terminal Position | DUAL | QUAD | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | 40 | — | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — |
| ## PIC18F2431-I/SO Alternates Showing results | Image | — | — | — |
| Date Of Intro | — | 2016-09-15 | — | — |
| Additional Feature | — | OPERATES AT 2.3V MIN @ 16 MHZ | — | — |
| RAM (words) | — | 3568 | — | — |
| ## PIC18F67K40-I/PT Alternates Showing results | — | Image | — | — |
| Body/Shell Style | — | — | PLUG | — |
| Connector Type | — | — | BOARD STACKING CONNECTOR | — |
| Contact Finish Mating | — | — | NOT SPECIFIED | — |
| Contact Finish Termination | — | — | TIN | — |
| Contact Gender | — | — | MALE | — |
| Contact Material | — | — | NOT SPECIFIED | — |
| DIN Conformance | — | — | NO | — |
| Filter Feature | — | — | NO | — |
| IEC Conformance | — | — | NO | — |
| MIL Conformance | — | — | NO | — |
| Mating Information | — | — | MULTIPLE MATING PARTS AVAILABLE | — |
| Mixed Contacts | — | — | NO | — |
| Mounting Style | — | — | STRAIGHT | — |
| Mounting Type | — | — | BOARD | — |
| Number Of Connectors | — | — | ONE | — |
| Number of Rows Loaded | — | — | 2 | — |
| Option | — | — | GENERAL PURPOSE | — |
| Termination Type | — | — | SURFACE MOUNT | — |
| Total Number of Contacts | — | — | 50 | — |
| UL Flammability Code | — | — | 94V-0 | — |
| Analog Output Voltage-Max | — | — | — | 2.564 V |
| Analog Output Voltage-Min | — | — | — | 2.01 V |
| Converter Type | — | — | — | D/A CONVERTER |
| Input Bit Code | — | — | — | 2'S COMPLEMENT |
| Input Format | — | — | — | SERIAL |
| Number of Bits | — | — | — | 24 |
| Number of Functions | — | — | — | 1 |
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 PIC18F2431-I/SO — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for PIC18F2431-I/SO 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 PIC18F2431-I/SO 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 PIC18F2431-I/SO?
Known equivalents for PIC18F2431-I/SO include PIC18F67K40-I/PT, 53408-0579, CS4344-CZZ. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PIC18F2431-I/SO?
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 PIC18F2431-I/SO 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.