PIC12F635-I/MF Microchip Integrated Circuit (Small Outline No-lead) In Stock
The PIC12F635-I/MF is an 8-bit PIC microcontroller from Microchip Technology with 1.75 KB of flash, 128 bytes of EEPROM, and 64 bytes of RAM running at up to 20 MHz. It operates from a 2 V to 5.5 V supply in a compact 8-pin DFN package with 6 I/O pins. Lead-free and globally stocked for low-cost embedded control in consumer, industrial, and IoT applications.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- PIC12F635-I/MF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3700(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 core running at up to 20 MHz from a 2 V to 5.5 V supply enables operation from a single alkaline cell or regulated 3.3 V/5 V rail without additional power conditioning
- 128 bytes of on-chip EEPROM provides non-volatile parameter storage for calibration constants and configuration data without external memory ICs
- Ultra-compact 8-pin DFN-S-8 package with only 6 general-purpose I/O pins targets minimal-footprint designs in wearables, smart sensors, and space-constrained embedded modules
Applications
The PIC12F635-I/MF targets simple, cost-sensitive embedded control tasks such as LED dimming, button debouncing, relay sequencing, and low-speed serial communication in consumer appliances and IoT end nodes. Its 2 V minimum operating voltage and compact 8-pin DFN make it well suited for battery-powered products like coin-cell sensors, remote controls, and smart labels that must minimize board area and standby current. Industrial applications including proximity detection, alarm systems, and motor soft-start controllers also use this MCU where its 128-byte EEPROM stores configuration parameters that survive power loss.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | DFN-S-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | NO |
| Additional Feature | ALSO OPERATES BY 2V MINIMUM SUPPLY AT 4 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC12 |
| Clock Frequency-Max | 20MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-N8 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 6 |
| Number of Timers | 5 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.20,25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 64 |
| ROM (words) | 1792 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 20MHz |
| Supply Current-Max | 3.25mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline No-lead |
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 | Philippines, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the minimum supply voltage for PIC12F635-I/MF, and which battery chemistries can power it directly?
The PIC12F635-I/MF operates from a minimum supply of 2 V at up to 4 MHz clock speed, rising to 5.5 V maximum. This 2 V floor allows direct operation from a single alkaline AA cell (1.5 V nominal, 0.9 V end-of-life when paralleled or boosted), two series NiMH cells (2.4 V nominal), or a coin-cell CR2032 (3 V nominal), covering nearly all primary-cell battery configurations used in portable and disposable embedded products.
How does the 128-byte EEPROM on PIC12F635-I/MF benefit sensor calibration in a field-deployed device?
The 128 bytes of on-chip EEPROM on the PIC12F635-I/MF can store up to 64 two-byte calibration coefficients (offset and span pairs) that persist through power cycling without an external serial EEPROM IC. In a field-deployed temperature sensor, this means the factory-programmed correction curve survives years of power cycles, eliminating the bill-of-materials cost and PCB area of a separate 8-pin I2C EEPROM while keeping calibration accuracy stable to within the ADC resolution of the downstream measurement system.
For a compact smart-label or low-power IoT tag, how does the PIC12F635-I/MF DFN-S-8 package reduce PCB area compared to DIP-8 alternatives?
The PIC12F635-I/MF DFN-S-8 package measures approximately 2 mm x 3 mm with 0.5 mm pitch, compared to a DIP-8 footprint of approximately 10 mm x 7 mm. This represents roughly an 85 % reduction in PCB land area, enabling the MCU to fit within the constrained layouts of smart labels, RFID tags, and wearable patch sensors where total PCB dimensions may be under 10 mm x 10 mm. The leadless DFN package also improves thermal conductivity and soldering reliability in automated reflow assembly.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.1200 | $3.12 |
| 10+ | $2.0280 | $20.28 |
| 20+ | $1.5413 | $30.83 |
| 50+ | $1.4488 | $72.44 |
| 150+ | $1.3872 | $208.08 |
| 1000+ | $1.3700 | $1370.00 |
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