PIC12F635-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC12F635-I/SN is an 8-bit PIC12 microcontroller with 1.75 KB of Flash program memory running up to 20 MHz and operating down to 2 V supply at 4 MHz. It offers 6 I/O pins and an internal oscillator in a compact 8-pin SOIC package. Available in stock with 1-week lead time from authorized distributors worldwide.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- PIC12F635-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4616(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 PIC12F635-I/SN?
- Ultra-low supply voltage operation down to 2 V at 4 MHz, enabling direct 2-cell battery-powered designs without a regulator
- 1.75 KB self-programmable Flash with up to 20 MHz clock for efficient embedded control in an 8-pin SOIC footprint
- Integrated internal oscillator eliminating the need for an external crystal and saving 2 PCB components
- 6 bidirectional I/O lines with individual direction control and internal pull-ups for direct button and LED interfacing
What is PIC12F635-I/SN used for?
The PIC12F635-I/SN is ideal for battery-powered IoT sensors, simple home automation triggers, and consumer device key-fob controllers where minimal pin count and low supply voltage are essential. Its ability to operate from 2 V enables direct 2-cell AA or coin-cell battery designs without a boost converter. The 8-pin SOIC package suits compact PCB designs in remote controls, tamper sensors, and low-power timer circuits.
What are the specifications of PIC12F635-I/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 1Week |
| 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-G8 |
| 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 | SOP8,.23 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| 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 | 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 |
Where can I find the PIC12F635-I/SN datasheet?
PIC12F635-I/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC12F635-I/SN?
Compatible alternatives and drop-in replacements for PIC12F635-I/SN:
RISC Microcontroller, 8-Bit, FLASH, PIC12 CPU, 20MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, FLASH, PIC CPU, 20MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, FLASH, PIC12 CPU, 20MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, FLASH, PIC12 CPU, 20MHz, CMOS, PDSO8
RISC Microcontroller, 8-Bit, FLASH, PIC12 CPU, 20MHz, CMOS, PDSO8
8 pin PIC w/CCP/PWM, 10 bit A2D, comparator, midrange coroe, 2K words flash
RISC Microcontroller, 8-Bit, FLASH, PIC12 CPU, 20MHz, CMOS, PDSO8
8 pin PIC w/CCP/PWM, 10 bit A2D, comparator, midrange core, 2K words flash
Frequently Asked Questions
What is the minimum supply voltage the PIC12F635-I/SN requires and how does that benefit battery-powered designs?
The PIC12F635-I/SN operates from a minimum supply of 2 V at up to 4 MHz clock frequency, and from 2.5 V to 5.5 V at its full 20 MHz speed. This allows direct operation from 2 AA alkaline cells without a boost regulator, reducing BOM cost and extending battery life by eliminating regulator quiescent current. It is particularly suited for wireless sensor nodes and remote controls running on coin cells.
How many I/O lines does the PIC12F635-I/SN provide and what peripheral functions are multiplexed on them?
The PIC12F635-I/SN provides 6 configurable I/O pins in an 8-pin SOIC, with several pins multiplexed with ICSP programming, Timer0 external clock, comparator inputs, and interrupt-on-change functions. One pin is dedicated input-only (MCLR/VPP). This pin multiplexing allows a 6-pin device to support serial communication, analog comparison, and external interrupt detection without increasing package size.
What clock sources are available on the PIC12F635-I/SN and how do they simplify circuit design?
The PIC12F635-I/SN includes a factory-calibrated internal RC oscillator selectable at 8 MHz, 4 MHz, 2 MHz, 1 MHz, 500 kHz, 250 kHz, or 31 kHz. Using the internal oscillator removes the need for an external crystal and its 2 load capacitors, saving PCB space and BOM cost. An external oscillator option is also available for applications requiring frequency accuracy better than ±1%.
For a compact LED controller design, how suitable is the SOIC-8 package of the PIC12F635-I/SN and what lead time should be expected?
The PIC12F635-I/SN's 8-pin SOIC package with 1.27 mm pin pitch occupies approximately 5 mm x 4 mm of PCB area, fitting easily into small LED driver boards. Its 6 I/O lines can directly source or sink LED current up to 25 mA per pin, supporting up to 6 individual LEDs without external drivers at 5 V. Factory lead time is typically 1 week from Microchip authorized distributors, making it easy to procure in small and medium volumes.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.4616 | $0.46 |
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