PIC12F508-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
PIC12F508-I/SN is an 8-bit PIC microcontroller from Microchip's PIC12 family running up to 4 MHz with 512 words of Flash program memory and 25 bytes of RAM. It integrates a built-in ADC, 6 I/O pins, and a watchdog timer in a compact 8-pin SOIC package. Cost-effective and widely available for simple control tasks in consumer, industrial, and appliance applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- PIC12F508-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5700(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC12 CPU running at up to 4 MHz for low-power simple control tasks
- Integrated ADC channels and 6 configurable I/O pins for flexible sensor interfacing
- 512-word Flash program memory with ICSP in-circuit serial programming support
- 8-pin SOIC-8 package in Pb-free construction minimizes PCB area in space-constrained designs
Applications
PIC12F508-I/SN is commonly used in low-cost household appliance controls, LED dimmer circuits, and small motor-drive sequencers where a minimal 8-bit MCU with just a few I/O pins and analog inputs suffices. It also serves in toy electronics, battery charger controllers, and simple timer functions in white-goods products where BOM cost and board space are primary constraints. Its ICSP programming capability enables efficient in-system firmware updates without removing the device from the PCB.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | YES |
| CPU Family | PIC12 |
| Clock Frequency-Max | 4MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 6 |
| On Chip Program ROM Width | 8 |
| 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) | 768 |
| ROM Programmability | FLASH |
| Speed | 4MHz |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| 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 | Mainland China, Taiwan, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC12F508-I/SN:
RISC Microcontroller, 8-Bit, FLASH, PIC12 CPU, 4MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, FLASH, PIC12 CPU, 4MHz, CMOS, PDSO8
Frequently Asked Questions
What are the core memory and processing specifications of PIC12F508-I/SN?
PIC12F508-I/SN features a 512-word Flash program memory, 25 bytes of RAM, and an 8-bit CPU clocked at up to 4 MHz. These resources are sufficient for straightforward control algorithms such as state machines, LED sequencers, and sensor threshold comparators in cost-sensitive embedded designs.
For a battery-powered LED controller running on two AA cells, how does PIC12F508-I/SN perform?
PIC12F508-I/SN operates across a 2 V to 5.5 V supply range, making it fully compatible with two-cell AA battery stacks at 3 V nominal. Its sleep mode reduces current draw to under 1 µA, enabling duty-cycled LED control applications to achieve multi-year coin-cell or AA battery life without external power management ICs.
How does PIC12F508-I/SN compare to PIC12F509 for small appliance control designs?
PIC12F508-I/SN provides 512 words of Flash and 25 bytes of RAM, while PIC12F509 doubles the Flash to 1024 words at a modestly higher cost. When the control firmware fits within 512 instructions — typical for simple on/off timers or single-sensor threshold detectors — PIC12F508-I/SN is the lower-cost option. PIC12F509 is preferred when lookup tables or additional state logic push code size beyond 512 words.
What I/O and analog capability does PIC12F508-I/SN offer for sensor interfacing?
PIC12F508-I/SN provides 6 I/O pins with 4 analog input channels routed to its built-in ADC, plus 1 comparator input. This allows the MCU to read multiple analog sensors — such as thermistors, light-dependent resistors (LDR), or resistive pressure sensors — while simultaneously driving output loads like relay coils or transistor-switched LEDs on the remaining digital pins.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.7800 | $0.78 |
| 3+ | $0.6316 | $1.89 |
| 1000+ | $0.5900 | $590.00 |
| 5000+ | $0.5700 | $2850.00 |
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