PIC16C57C-20/SP Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC16C57C-20/SP is an 8-bit OTP microcontroller with 3KB program memory running at up to 20 MHz clock frequency. The 28-pin SPDIP through-hole package supports legacy embedded control and replacement applications requiring one-time programmable firmware.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 28
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16C57C-20/SP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.7600(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC16 core with 3KB OTP program memory and 20 MHz maximum clock frequency
- 28-pin SPDIP through-hole package for easy prototyping and legacy board replacement
- 72-byte data RAM and 33 general-purpose I/O pins for simple control and interface tasks
Applications
The PIC16C57C-20/SP suits legacy embedded control applications such as appliance timing circuits, simple keypad controllers, and industrial relay drivers where OTP firmware lock-down is required. Its 28-pin SPDIP package and 20 MHz operation make it a reliable drop-in replacement for aging 8-bit microcontroller designs without requiring PCB changes.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SPDIP-28 |
| Factory Lead Time | 6Weeks |
| Date Of Intro | 1990-01-01 |
| YTEOL | 3 |
| Has ADC | NO |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 20MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDIP-T28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of I/O Lines | 20 |
| Number of Timers | 1 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 12 |
| PWM Channels | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP28,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 72 |
| RAM (words) | 72 |
| ROM (words) | 2048 |
| ROM Programmability | OTPROM |
| Speed | 20MHz |
| Supply Current-Max | 3.3mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16C57C-20/SP:
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 20MHz, CMOS, PDIP28
Frequently Asked Questions
What type of program memory does PIC16C57C-20/SP use, and how much capacity does it provide?
The PIC16C57C-20/SP uses One-Time Programmable (OTP) memory with 3KB capacity organized as 2K x 12-bit words. OTP memory is programmed once and cannot be erased, making it appropriate for production firmware lock-down in cost-sensitive or tamper-resistant embedded applications. The 20 MHz clock allows up to 5 MIPS instruction throughput.
Which legacy designs benefit most from PIC16C57C-20/SP as a replacement microcontroller?
Designs originally built around early PIC16 8-bit devices benefit most from PIC16C57C-20/SP because it maintains pin-compatible 28-pin SPDIP packaging and identical 20 MHz operating frequency. Applications such as consumer appliance timers, vending machine controllers, and simple relay panels from the 1990s can often be upgraded without PCB rework or firmware port.
How many I/O pins does PIC16C57C-20/SP offer, and what supply voltage range does it support?
The PIC16C57C-20/SP provides 20 general-purpose digital I/O pins across Ports A, B, and C. It operates from a supply voltage range of 2.5 V to 5.5 V, enabling compatibility with both 3.3 V and 5 V logic systems. The 72-byte internal data RAM supports simple variable storage for sensor reading and state machine applications.
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