PIC16C66-20I/SOAlternatives & Equivalent Parts
About PIC16C66-20I/SO
PIC16C66-20I/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 | PIC16C66-20I/SOSource | PIC16C66-20/SO | PIC16C63A-20I/SO | PIC16C62B-20I/SO |
|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline Packages | Other | Small Outline Packages |
| Pin Count | 28 | 28 | 28 | 28 |
| Temperature Range | -40.0°C ~ 85.0°C | ~ 70.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $7.0500 | $2.3200 | $4.7300 | $3.0290 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | NOT RECOMMENDED | ACTIVE | ACTIVE | NOT RECOMMENDED |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | SOIC-28 | SOIC-28 | SOIC-28 | SOIC-28 |
| Date Of Intro | 1993-07-01 | 1993-07-01 | 1990-01-01 | 1990-01-01 |
| YTEOL | 3 | 3 | 3 | 3 |
| Has ADC | NO | NO | NO | NO |
| Bit Size | 8 | 8 | 8 | 8 |
| Boundary Scan | NO | NO | NO | NO |
| CPU Family | PIC16 | PIC16 | PIC16 | PIC16 |
| Clock Frequency-Max | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| DAC Channels | NO | NO | NO | NO |
| DMA Channels | NO | NO | NO | NO |
| Format | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | NO | NO |
| JESD-30 Code | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | YES | — | YES |
| Number of External Interrupts | 1 | 1 | 1 | 1 |
| Number of I/O Lines | 22 | 22 | 22 | 22 |
| Number of Serial I/Os | 4 | 4 | 1 | — |
| Number of Timers | 5 | 5 | 7 | 5 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 14 | 14 | 14 | 14 |
| PWM Channels | NO | NO | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 | SOP28,.4 | SOP28,.4 | SOP28,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 368 | 368 | 192 | 128 |
| ROM (words) | 8192 | 8192 | 4096 | 2048 |
| ROM Programmability | EPROM | EPROM | OTPROM | OTPROM |
| Screening Level | TS 16949 | TS 16949 | — | TS 16949 |
| Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Supply Current-Max | 20 mA | 20 mA | 20 mA | 20 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 4.5 V | 4.5 V | 5 V | 4 V |
| Supply Voltage-Nom | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | COMMERCIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| Factory Lead Time | — | — | 5 Weeks | 5 Weeks |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 40 |
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 PIC16C66-20I/SO — response within 24 hours.
Quick Links
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 20MHz, CMOS, PDSO28
Why Look for Alternatives?
Finding alternatives for PIC16C66-20I/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 PIC16C66-20I/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 PIC16C66-20I/SO?
Known equivalents for PIC16C66-20I/SO include PIC16C66-20/SO, PIC16C63A-20I/SO, PIC16C62B-20I/SO. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PIC16C66-20I/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 PIC16C66-20I/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.