PIC12C508-04E/P Equivalent & Substitute Parts

Part Overview

The PIC12C508-04E/P is an 8-bit microcontroller from Microchip Technology's PIC® 12C series, designed for embedded applications requiring low-pin-count solutions. This device features 768B of OTP (One-Time Programmable) memory, 5 I/O pins, and operates across a 3V to 5.5V supply range with an internal 4MHz oscillator. The product maintains Active status with verified programmability through DiGi-Electronics. Substitute parts are identified to address application requirements where alternative memory technologies, expanded voltage ranges, or inventory availability necessitate component alternatives.

Substiute Parts

PIC12C508-04E/P

Microchip TechnologyIn Stock: 1013PIC12C508-04E/P Datasheet

Current PartRFQ

PIC12F508-E/P

Microchip TechnologyIn Stock: 5582PIC12F508-E/P Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PIC12C508-04E/P is determined by strict alignment across the following critical parameters:

• Core Architecture: PIC 8-bit processor family
• Memory Capacity: 768B (512 x 12) program memory
• I/O Configuration: 5 I/O pins
• Clock Speed: 4MHz internal oscillator
• Package Format: 8-DIP through-hole mounting
• Peripheral Set: POR and WDT functionality
• Operating Temperature Range: -40°C to 125°C
• Compliance: ROHS3 and REACH Unaffected status

The primary distinction between the main part and identified substitutes lies in program memory technology. The PIC12C508-04E/P utilizes OTP (One-Time Programmable) memory, while substitute parts may employ FLASH memory technology. This distinction permits field reprogrammability in FLASH variants while maintaining functional equivalence across all other electrical and mechanical parameters. Voltage supply range variations are permissible when the substitute range encompasses or exceeds the original specification.

Parameter Comparison

Engineering Selection Recommendations

PIC12F508-E/P qualifies as a direct substitute for PIC12C508-04E/P based on the following engineering criteria:

• Both devices maintain Active product status with verified programmability
• Electrical specifications align across core processor architecture, memory capacity, I/O count, clock speed, and peripheral functionality
• Physical packaging is identical: 8-DIP through-hole format with matching pin configuration
• Operating temperature range is equivalent: -40°C to 125°C
• Compliance certifications are equivalent: ROHS3 Compliant and REACH Unaffected
• The PIC12F508-E/P extends the minimum supply voltage to 2V, providing broader operational flexibility while maintaining the 5.5V upper limit
• FLASH memory technology in the PIC12F508-E/P enables field reprogrammability, contrasting with the OTP limitation of the original part

Selection between these parts depends on application-specific requirements regarding reprogrammability and minimum operating voltage. The PIC12F508-E/P is suitable for applications requiring in-system programming capability or operation below 3V.

Frequently Asked Questions (FAQ)

Q: Can PIC12F508-E/P directly replace PIC12C508-04E/P in existing designs?

A: Yes. Both devices share identical pin configurations, package format (8-DIP), and core electrical specifications including processor architecture, memory capacity, I/O count, and operating temperature range. No PCB modifications are required for physical substitution.

Q: What is the primary functional difference between these parts?

A: The PIC12C508-04E/P uses OTP (One-Time Programmable) memory, which cannot be reprogrammed after initial programming. The PIC12F508-E/P uses FLASH memory, permitting multiple reprogramming cycles. Both devices are functionally equivalent in operation once programmed.

Q: Does the PIC12F508-E/P operate at lower voltages than the original part?

A: Yes. The PIC12F508-E/P supports a minimum supply voltage of 2V, compared to 3V for the PIC12C508-04E/P. Both maintain the same 5.5V maximum. Applications requiring operation below 3V must use the PIC12F508-E/P.

Q: Are there any compliance or certification differences?

A: No. Both parts maintain identical compliance status: ROHS3 Compliant and REACH Unaffected. No additional qualification is required from a regulatory standpoint.

Q: What packaging options are available for these parts?

A: Both the PIC12C508-04E/P and PIC12F508-E/P are supplied in 8-DIP through-hole packages with 0.300" (7.62mm) pitch. The PIC12F508-E/P is available in Tube packaging, while the original part does not specify alternative packaging formats in this reference.