PIC16C57C-20/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC16C57C-20/SO is an 8-bit OTP PIC16 microcontroller with 3KB program memory, 72 bytes RAM, and 20 I/O lines running at up to 20 MHz in a 28-pin SOIC package. Designed for high-volume production applications requiring proven one-time-programmable architecture. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16C57C-20/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.4307(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC16C57C-20/SO?
- One-time-programmable (OTP) 3KB program memory optimized for cost-sensitive high-volume manufacturing at 20 MHz
- 20 I/O lines with 72 bytes RAM in compact 28-pin SOIC package for simple control and interface tasks
- Proven PIC16 RISC architecture with 35-instruction set executing most instructions in a single 200 ns cycle at 20 MHz
What is PIC16C57C-20/SO used for?
The PIC16C57C is suited for simple, high-volume consumer and industrial products where one-time-programmable OTP memory reduces per-unit cost compared to Flash-based variants. Running at 20 MHz with 20 I/O lines, it handles appliance control, keypad scanning, LED driver sequencing, and small protocol conversion tasks. The 28-pin SOIC package enables compact PCB placement in space-limited consumer electronics such as toy controllers and remote controls.
What are the specifications of PIC16C57C-20/SO?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 5Weeks |
| 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-PDSO-G28 |
| 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 | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| 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 | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Where can I find the PIC16C57C-20/SO datasheet?
PIC16C57C-20/SO Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16C57C-20/SO?
Compatible alternatives and drop-in replacements for PIC16C57C-20/SO:
Frequently Asked Questions
How does the PIC16C57C's OTP program memory affect production cost compared to Flash-based PIC16F devices?
The PIC16C57C uses one-time-programmable OTP memory rather than Flash, which eliminates the erase circuit and reduces die area, lowering per-unit silicon cost for high-volume orders exceeding 10,000 units. However, OTP requires the final firmware to be locked before programming, making it unsuitable for products requiring field firmware updates, unlike PIC16F Flash variants that support in-circuit serial programming over 5 V/GND/MCLR/PGC/PGD — 5-wire connections.
What is the maximum clock frequency of the PIC16C57C-20/SO and how does it affect instruction throughput?
The PIC16C57C-20/SO runs at a maximum clock of 20 MHz, executing most single-word instructions in 4 clock cycles, yielding 5 MIPS throughput. At 20 MHz, a single instruction completes in 200 ns, enabling the device to handle 20 I/O line scanning, serial bit-bang communication at up to 9600 baud, and simple PWM generation within its 3KB program memory budget.
When is a 28-pin SOIC device like the PIC16C57C-20/SO preferred over a QFP or BGA for appliance motor controllers?
The 28-pin SOIC package with 0.050-inch pitch is compatible with standard wave-soldering and manually reworkable on benchtop equipment, making it preferred in appliance motor controllers where field service repair is required. The package spans approximately 17.9 mm in length, providing adequate pin spacing for visual solder inspection without the optical equipment needed for 0.4 mm QFP or BGA components in high-reliability production environments.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.3000 | $3.30 |
| 20+ | $2.5859 | $51.72 |
| 50+ | $2.4307 | $121.53 |
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