PIC12C508-04I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
PIC12C508-04I/P is an 8-bit PIC12 family microcontroller with 512 words of OTP program memory, 25 bytes of RAM, and a maximum 4 MHz clock frequency. It provides 6 general-purpose I/O pins in a compact PDIP-8 package and includes an on-chip oscillator option. The device targets low-cost, space-constrained control tasks such as simple timers, switch debouncing, and appliance logic.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC12C508-04I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4452(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 core running up to 4 MHz
- 512-word OTP flash program memory
- 25 bytes SRAM data memory
- 6 general-purpose I/O pins in PDIP-8 package
- Internal 4 MHz RC oscillator option eliminates external crystal
- Low active current for power-sensitive designs
- One 8-bit timer/counter with prescaler
Applications
The PIC12C508-04I/P is used in highly cost-sensitive, space-constrained embedded applications where only a few I/O lines and simple sequencing logic are required, such as appliance timer controllers, LED flashers, and push-button debounce circuits. Its compact PDIP-8 footprint and optional internal 4 MHz oscillator minimize BOM cost and board area. Legacy consumer products and replacement firmware projects also rely on this device due to its long availability and straightforward OTP programming model.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| 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 | 2.4mA |
| 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 PIC12C508-04I/P:
RISC Microcontroller, 8-Bit, OTPROM, PIC12 CPU, 4MHz, CMOS, PDIP8
Frequently Asked Questions
How much program and data memory does the PIC12C508-04I/P provide?
The PIC12C508-04I/P offers 512 words of OTP program memory and 25 bytes of SRAM data memory. These figures constrain firmware to simple finite-state machines and short control sequences, but are sufficient for timer-based appliance logic, LED flashers, and switch debounce routines running at up to 4 MHz clock frequency.
Does the PIC12C508-04I/P require an external crystal, or can it run from an internal oscillator?
The device supports an internal 4 MHz RC oscillator mode that eliminates the need for an external crystal or resonator. This saves two PCB pads, reduces BOM cost, and simplifies layout in tight 8-pin PDIP designs. The internal oscillator accuracy is adequate for timing applications that do not require precise baud-rate generation or frequency reference.
What I/O count and package make the PIC12C508-04I/P suitable for very compact designs?
The PIC12C508-04I/P provides 6 general-purpose I/O pins housed in an 8-pin PDIP package measuring 9.27 mm × 6.35 mm with a 2.54 mm pin pitch. This footprint is among the smallest available for a standalone MCU, making it ideal for space-constrained applications such as remote controls, door chime controllers, and single-button interface modules.
Which simple control tasks is the PIC12C508-04I/P best suited for given its 4 MHz clock limit?
At 4 MHz, the PIC12C508-04I/P executes approximately 1 million instructions per second using its single-cycle RISC-like architecture. This throughput comfortably handles switch debounce timing with 1 ms resolution, simple PWM generation for LED brightness control, and sequential relay logic used in home appliances. Tasks requiring fast interrupt response or multi-channel ADC conversion are beyond its capabilities.
Is the PIC12C508-04I/P still in production, and what lifecycle considerations apply for new designs?
The PIC12C508-04I/P was introduced in 1996 and has a limited remaining lifecycle (YTEOL category 3), meaning production continuity is not guaranteed beyond the near term. New designs should evaluate the PIC12F508 or PIC12F509 as drop-in compatible successors that add flash re-programmability and extend product availability by several years while retaining the same 8-pin PDIP footprint and 4 MHz maximum clock speed.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.4452 | $0.45 |
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