PIC12C508A-04/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The Microchip PIC12C508A-04/P is an 8-bit CMOS microcontroller in the PIC12 family running at up to 4 MHz with 512 words of OTP program memory and 25 bytes of RAM in a compact 8-pin DIP package. It offers 6 I/O pins and an on-chip oscillator for ultra-compact, low-cost control tasks. Suitable for appliance timers, simple sensor monitors, and low-complexity consumer electronics.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- PIC12C508A-04/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2746(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC12 CPU running up to 4 MHz
- 512 x 12-bit words of OTP program memory
- 25 bytes of on-chip SRAM for runtime data
- 6 general-purpose I/O pins in a minimal 8-pin DIP package
- Internal 4 MHz RC oscillator eliminates external crystal
- Low-power CMOS design for battery-operated applications
Applications
The PIC12C508A-04/P is ideal for ultra-small embedded control tasks such as appliance timers, LED flashers, motor soft-start controllers, and remote control decoders where code size fits within 512 words. Its 8-pin DIP body is inexpensive and easy to prototype on a breadboard, making it a favourite for high-volume, cost-sensitive consumer products. The internal RC oscillator removes the need for an external clock component, further reducing BOM cost and PCB area.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| 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-PDIP-T8 |
| 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 | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| 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 | NO |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| 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 PIC12C508A-04/P:
RISC Microcontroller, 8-Bit, OTPROM, PIC12 CPU, 4MHz, CMOS, PDIP8
RISC Microcontroller, 8-Bit, OTPROM, PIC12 CPU, 4MHz, CMOS, PDIP8
Frequently Asked Questions
How much program memory does the PIC12C508A-04/P have, and what type of memory is it?
The PIC12C508A-04/P uses 512 words of OTP (one-time programmable) memory with a 12-bit instruction width. OTP memory is programmed once during manufacturing or production testing and cannot be erased, which makes it appropriate for locked, high-volume production firmware but unsuitable for development iterations where code changes are expected.
Does the PIC12C508A-04/P require an external crystal, and what clock options are available?
No external crystal is needed. The device includes an internal 4 MHz RC oscillator that is enabled by configuration bits, allowing operation with no external clock components. This reduces the 8-pin DIP BOM to the MCU plus supply decoupling capacitors, which is the minimum possible component count for a standalone microcontroller circuit.
When should a designer choose the PIC12C508A-04/P over the PIC12F508 with Flash memory?
The PIC12C508A-04/P with OTP memory suits locked production runs where firmware is finalized and cost per unit must be minimized, since OTP devices are typically cheaper than Flash variants. The PIC12F508, which is pin-compatible with the same 8-pin DIP footprint and 4 MHz speed, is the better choice during development and for programs requiring field reprogramming, because its Flash memory supports unlimited erase and reprogram cycles.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.4200 | $1.42 |
| 2+ | $1.2746 | $2.55 |
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