PIC16C57C-04/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC16C57C-04/SO is an 8-bit PIC16 OTP microcontroller running at up to 4 MHz in a SOIC-28 package. It features 28 I/O pins and suits simple embedded control tasks in appliances, motor drivers, and legacy industrial equipment where OTP program memory is acceptable.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16C57C-04/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.0848(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-04/SO?
- 8-bit PIC16 CPU core with up to 4 MHz clock frequency
- 28-pin SOIC package for through-hole or SMD prototyping
- OTP program memory for one-time programmable production deployments
- 28 general-purpose I/O pins for flexible peripheral control
- No ADC — dedicated digital control without analog circuitry overhead
- Established PIC16 ecosystem with broad toolchain support
What is PIC16C57C-04/SO used for?
The PIC16C57C-04/SO is designed for simple digital control applications such as appliance timers, motor sequencing, and LED display drivers that require a reliable 8-bit microcontroller with ample I/O. Its SOIC-28 form factor and OTP memory suit low-volume industrial automation and legacy equipment repair scenarios where a proven architecture and one-time programmability are priorities.
What are the specifications of PIC16C57C-04/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 | 4MHz |
| 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 | 4MHz |
| 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-04/SO datasheet?
PIC16C57C-04/SO Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16C57C-04/SO?
Compatible alternatives and drop-in replacements for PIC16C57C-04/SO:
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 4MHz, CMOS, PDSO28
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 4MHz, CMOS, PDSO28
Frequently Asked Questions
What is the maximum clock frequency of the PIC16C57C-04/SO and how does it affect timing?
The PIC16C57C-04/SO runs at a maximum clock frequency of 4 MHz. At this speed, each instruction executes in approximately 1 µs, which is sufficient for appliance timers, LED sequencers, and simple motor control tasks that do not demand high-throughput processing or fast interrupt response times.
How many I/O pins are available on the PIC16C57C-04/SO and which package carries them?
The PIC16C57C-04/SO provides 28 pins in a SOIC-28 package. The wide I/O count allows simultaneous connection of keypads, relay drivers, LED segments, and serial peripherals on a single device, reducing external glue logic in cost-sensitive embedded control boards.
Does the PIC16C57C-04/SO include an ADC, and what does that mean for sensor-based designs?
No, the PIC16C57C-04/SO does not include an ADC. Designs needing analog sensing must add an external converter. However, its 28 digital I/O lines and 4 MHz core make it a capable controller for purely digital tasks such as relay sequencing, display multiplexing, and switch debouncing without incurring the cost of analog peripherals.
When is the OTP memory of the PIC16C57C-04/SO an advantage over Flash-based microcontrollers?
OTP memory in the PIC16C57C-04/SO provides a cost advantage for high-volume production runs where firmware is frozen at manufacture. Once programmed, the device cannot be overwritten, reducing the risk of field modifications. For appliances or industrial equipment running at 4 MHz with fixed firmware, OTP lowers per-unit cost compared to Flash-based alternatives.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.9600 | $2.96 |
| 18+ | $2.9350 | $52.83 |
| 20+ | $2.3165 | $46.33 |
| 50+ | $2.1775 | $108.88 |
| 150+ | $2.0848 | $312.72 |
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