PIC16C57-XTI/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC16C57-XTI/SO is an 8-bit CMOS OTP microcontroller from Microchip's PIC16 family in a SOIC-28 package. It features a 4 MHz maximum clock frequency, 2048 words of OTP program memory, and 72 bytes of RAM. From $1.20 in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC16C57-XTI/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $6.0300(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC16C57-XTI/SO?
- 8-bit PIC16 RISC architecture with 4 MHz maximum clock frequency and 33 single-cycle instructions
- 2048-word OTP program memory with 72 bytes of RAM for cost-effective one-time-programmable applications
- SOIC-28 package with 20 I/O pins enabling broad connectivity without requiring a large PCB footprint
- Wide operating voltage range of 2.5 V to 6.0 V for battery-powered and industrial designs
- On-chip RC oscillator option reduces external component count and simplifies board layout
What is PIC16C57-XTI/SO used for?
The PIC16C57-XTI/SO is commonly used in low-cost consumer electronics, appliance control panels, and industrial automation where an 8-bit OTP microcontroller with 4 MHz operation and 20 I/O pins suffices. Its SOIC-28 package and 2.5 V to 6.0 V operating range make it well-suited for battery-powered remote controls, keypad interfaces, and simple motor-drive sequencing. The device also finds use in legacy system replacements and high-volume embedded designs where field reprogramming is not required.
What are the specifications of PIC16C57-XTI/SO?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 5Weeks |
| 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 | 6.25V |
| Supply Voltage-Min | 3.25V |
| Supply Voltage-Nom | 3.25V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| 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 PIC16C57-XTI/SO datasheet?
PIC16C57-XTI/SO Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16C57-XTI/SO?
Compatible alternatives and drop-in replacements for PIC16C57-XTI/SO:
8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PDSO28, 0.209 INCH, PLASTIC, MS-150, SSOP-28
Frequently Asked Questions
How much program memory and RAM does the PIC16C57-XTI/SO provide for embedded firmware?
The PIC16C57-XTI/SO includes 2048 words of OTP program memory and 72 bytes of on-chip RAM. Running at up to 4 MHz clock frequency with 33 single-cycle RISC instructions, it handles straightforward control tasks efficiently within these resource constraints.
In what voltage range can the PIC16C57-XTI/SO operate, and does it suit battery-powered designs?
The PIC16C57-XTI/SO operates across a 2.5 V to 6.0 V supply range, making it compatible with a single Li-ion cell, three AA alkaline batteries, or a regulated 3.3 V or 5 V rail. This flexibility accommodates portable battery-powered devices as well as standard 5 V industrial systems.
What I/O capability does the PIC16C57-XTI/SO offer in its SOIC-28 package, and how does it compare to DIP alternatives?
The PIC16C57-XTI/SO provides 20 I/O pins in a SOIC-28 surface-mount package, enabling dense PCB layouts not achievable with through-hole DIP-28 variants. Each I/O pin can source or sink up to 25 mA, supporting direct LED drive and moderate capacitive loads without external buffers.
When is the PIC16C57-XTI/SO a suitable choice over a flash-based PIC microcontroller for high-volume production?
In high-volume applications where firmware is finalized and field reprogramming is unnecessary, the OTP PIC16C57-XTI/SO offers a lower unit cost than flash-based alternatives. Its 4 MHz operation and 20 I/O pins meet requirements for simple control tasks, and the SOIC-28 package supports automated pick-and-place assembly at production scale.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $8.3400 | $8.34 |
| 54+ | $6.8400 | $369.36 |
| 81+ | $6.4300 | $520.83 |
| 108+ | $6.4200 | $693.36 |
| 135+ | $6.3700 | $859.95 |
| 500+ | $6.0300 | $3015.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit