PIC12C508A-04/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC12C508A-04/SN is an 8-bit OTP microcontroller from Microchip's PIC12 family, running at up to 4 MHz with 512 words of program memory and 25 bytes of RAM. It is housed in a compact SOIC-8 package, offering 6 I/O pins for small, cost-sensitive embedded designs.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC12C508A-04/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3300(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 PIC12C508A-04/SN?
- 8-bit PIC12 core operating at up to 4 MHz for simple control tasks
- 512-word OTP program memory for one-time-programmable, tamper-resistant firmware
- 25 bytes of on-chip RAM for lightweight data handling
- 6 I/O pins in a space-saving SOIC-8 package for compact PCB footprints
- Ultra-low active current for power-sensitive battery-operated applications
- 4 MHz maximum clock with internal oscillator option reducing external component count
What is PIC12C508A-04/SN used for?
The PIC12C508A-04/SN is designed for simple, cost-optimized control tasks such as appliance timers, remote-control receivers, sensor signal conditioning, and low-cost consumer electronics where minimal pin count and small package size are priorities. Its OTP memory makes it a strong fit for high-volume production runs where firmware is locked at manufacturing time.
What are the specifications of PIC12C508A-04/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| Date Of Intro | 1996-05-10 |
| YTEOL | 3 |
| Has ADC | NO |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC12 |
| Clock Frequency-Max | 4MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of I/O Lines | 6 |
| Number of Timers | 2 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 12 |
| PWM Channels | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.23 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 25 |
| ROM (words) | 512 |
| ROM Programmability | OTPROM |
| Speed | 4MHz |
| Supply Current-Max | 1.4mA |
| 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 |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Where can I find the PIC12C508A-04/SN datasheet?
PIC12C508A-04/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC12C508A-04/SN?
Compatible alternatives and drop-in replacements for PIC12C508A-04/SN:
RISC Microcontroller, 8-Bit, OTPROM, PIC12 CPU, 4MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, OTPROM, PIC12 CPU, 4MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, OTPROM, PIC12 CPU, 4MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, OTPROM, PIC12 CPU, 4MHz, CMOS, PDSO8
Frequently Asked Questions
How many I/O pins does PIC12C508A-04/SN provide, and is that enough for basic sensor-interface designs?
The PIC12C508A-04/SN provides 6 general-purpose I/O pins in its 8-pin SOIC-8 package. This is sufficient for designs that read a single digital sensor, drive a relay or LED, and communicate over a 2-wire interface, making it popular in cost-sensitive appliance and consumer electronics applications.
What are the clock frequency and memory specifications that define the processing envelope of this OTP microcontroller?
The PIC12C508A-04/SN runs at up to 4 MHz and provides 512 words of OTP program memory alongside 25 bytes of on-chip RAM. These resources are adequate for state-machine firmware, simple waveform generation, and button-debounce routines typical of low-end embedded control products.
When would a designer choose PIC12C508A-04/SN over a flash-based MCU for a high-volume production run?
OTP memory in the PIC12C508A-04/SN prevents field reprogramming, which lowers per-unit cost versus flash-based equivalents and reduces counterfeiting risk in high-volume consumer or industrial products where firmware never changes after factory programming. The 4 MHz clock and 512-word capacity suit locked, unchanging control logic.
Is PIC12C508A-04/SN RoHS compliant, and what does its lifecycle status imply for long-term procurement planning?
The part carries a RoHS-compliant (Pb-free) marking. Its YTEOL rating of 3 years indicates it is approaching end-of-life, so procurement teams managing production lines beyond that window should qualify a pin-compatible, actively manufactured alternative such as PIC12F508 to avoid last-time-buy shortages.
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+ | $1.3500 | $1.35 |
| 400+ | $1.3300 | $532.00 |
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