PIC12F508-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
8-bit PIC12 microcontroller with 512 words of flash, 25 bytes RAM, and 4 MHz maximum clock in a through-hole 8-pin PDIP package. Integrates 4 I/O pins, an internal oscillator, and ADC for simple sensor and control tasks. Lead-free and breadboard-friendly for prototyping and low-cost production.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- PIC12F508-I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5800(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
- 512-word OTP/flash program memory and 25 bytes RAM in a minimal 8-pin PDIP footprint for simple control tasks
- Internal 4 MHz oscillator eliminates external crystal, reducing BOM cost and PCB area to a bare minimum
- On-chip ADC input channels allowing direct analog sensor reading without external converter components
- 5 V tolerant I/O and wide supply range enabling direct interfacing with legacy TTL and CMOS logic signals
Applications
The PIC12F508-I/P suits simple one-time programmed or flash-based control tasks such as LED blinking sequences, relay timers, and switch debounce logic where an 8-pin DIP MCU is more cost-effective than a larger device. Its breadboard-compatible PDIP package makes it popular in educational electronics kits and hobbyist prototypes that require a minimal programmable controller. The device also appears in low-cost consumer appliances and toy controllers where production volumes justify its straightforward programming model and minimal external component count.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| 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-PDIP-T8 |
| 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 | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| 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 | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC12F508-I/P:
RISC Microcontroller, 8-Bit, FLASH, PIC12 CPU, 4MHz, CMOS, PDIP8
Frequently Asked Questions
How much program memory and RAM does the PIC12F508-I/P provide, and are those resources sufficient for a simple timer application?
The PIC12F508-I/P has 512 words of program memory and 25 bytes of RAM. For a simple countdown timer or LED sequencer, 512 words is typically more than enough to hold the full application code in PIC assembly or C with compact optimization. The 25 bytes of RAM covers local variables and a small state machine without requiring external memory, making this device cost-effective for single-function appliance timers and decorative lighting controllers.
Can the PIC12F508-I/P run without an external crystal oscillator, and what clock frequency does it provide internally?
Yes, the PIC12F508-I/P includes an internal RC oscillator running at approximately 4 MHz, so no external crystal, resonator, or clock source is required. This reduces external component count to zero for timing-insensitive applications such as debounce filters or one-shot timers. The internal oscillator accuracy is sufficient for applications where timing tolerance of a few percent is acceptable, which covers most simple industrial sensor and control tasks.
For a student learning embedded programming, what advantages does the PIC12F508-I/P's 8-pin PDIP package offer over modern SMD MCUs?
The 0.3-inch 8-pin PDIP package of the PIC12F508-I/P fits directly into a standard breadboard with 0.1-inch pin spacing, allowing students to prototype circuits without soldering. It can be programmed in-circuit using an inexpensive PICkit programmer, with code development in MPLAB X IDE which is freely available. The 5 V operating voltage and DIP form factor also make it compatible with decades of existing PIC12 tutorials, circuit diagrams, and component kits.
What I/O count does the PIC12F508-I/P offer and how does pin multiplexing affect available peripheral combinations?
The PIC12F508-I/P provides 6 general-purpose I/O pins in total, with 4 of those available as both digital I/O and ADC inputs. One pin is input-only and another is shared with the MCLR reset function. This means practical designs get 4 digital outputs for driving LEDs or relays plus up to 4 analog inputs simultaneously, which is adequate for small sensor-to-actuator control loops reading 2 analog sensors and driving 2 output signals within the 8-pin constraint.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5800 | $0.58 |
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