PIC16C57-XT/SP Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The PIC16C57-XT/SP is an 8-bit OTP microcontroller from Microchip's PIC16 family, running up to 4 MHz with 2 KB of OTP program memory and 72 bytes of RAM in a 28-pin SPDIP package. It offers 20 I/O pins, three 8-bit timers, and a simple instruction set for cost-sensitive embedded control applications. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 28
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16C57-XT/SP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $5.5100(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 PIC16C57-XT/SP?
- 8-bit PIC architecture with 4 MHz maximum clock frequency for deterministic, low-latency control loops
- 20 general-purpose I/O pins in a 28-pin SPDIP package suit compact through-hole prototyping and production
- OTP (one-time programmable) memory provides tamper-resistant code storage ideal for high-volume fixed-function applications
What is PIC16C57-XT/SP used for?
The PIC16C57-XT/SP is suited for simple embedded control tasks such as appliance timing, keypad scanning, and LED display driving in high-volume consumer and industrial products. Its minimal external component requirements and OTP memory make it cost-effective for fixed-function applications where field reprogramming is unnecessary. The 28-pin SPDIP package is convenient for through-hole production boards and prototyping environments.
What are the specifications of PIC16C57-XT/SP?
| Pbfree Code | Yes |
| Manufacturer Package Code | SPDIP-28 |
| Factory Lead Time | 6Weeks |
| Has ADC | NO |
| Bit Size | 8 |
| CPU Family | PIC |
| Clock Frequency-Max | 4MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| JESD-30 Code | R-PDIP-T28 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 20 |
| PWM Channels | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP28,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power Supplies | 3/6.25 V |
| Qualification Status | Not Qualified |
| RAM (bytes) | 72 |
| ROM (words) | 2048 |
| ROM Programmability | OTPROM |
| Speed | 4MHz |
| Subcategory | Microcontrollers |
| Supply Current-Max | 3.3mA |
| Supply Voltage-Max | 6.25V |
| Supply Voltage-Min | 3V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the PIC16C57-XT/SP datasheet?
PIC16C57-XT/SP Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16C57-XT/SP?
Compatible alternatives and drop-in replacements for PIC16C57-XT/SP:
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 4MHz, CMOS, PDIP28
Frequently Asked Questions
What is the maximum clock frequency and program memory size of the PIC16C57-XT/SP?
The PIC16C57-XT/SP runs at a maximum clock frequency of 4 MHz using an XT oscillator configuration and contains 2 KB of OTP program memory along with 72 bytes of data RAM. These resources are sufficient for straightforward control algorithms such as switch debouncing, LED sequencing, and serial communication in cost-sensitive 8-bit embedded designs.
Which applications benefit from the PIC16C57-XT/SP OTP memory architecture versus flash-based MCUs?
High-volume consumer appliances, remote controls, and motor-control timers benefit most from OTP memory because it eliminates the risk of field reprogramming, reduces per-unit cost, and locks firmware against tampering. The PIC16C57-XT/SP provides 20 I/O pins and 3 internal 8-bit timers that support common control tasks at 4 MHz without requiring the higher cost of flash-based PIC variants.
How does the PIC16C57-XT/SP 28-pin SPDIP package affect PCB layout options compared to surface-mount alternatives?
The 28-pin SPDIP package with 0.1-inch (2.54 mm) pin pitch allows direct insertion into standard DIP sockets, making it ideal for rapid prototyping and designs that require field socket replacement. While its footprint is larger than SSOP or QFN variants, the through-hole format withstands vibration-prone industrial environments well, and the 20 available I/O pins remain fully accessible without specialized SMD soldering equipment.
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