PIC12CE674-10E/P Equivalent & Substitute Parts

Part Overview

The PIC12CE674-10E/P is an 8-bit microcontroller from Microchip Technology's PIC® 12C series, featuring 4.6KB OTP (One-Time Programmable) memory, designed for embedded applications requiring low-cost, compact solutions. The device operates at 10MHz with a 3V to 5.5V supply range and includes integrated peripherals such as Power-On Reset (POR) and Watchdog Timer (WDT). Currently in active product status with verified programmability through DiGi-Electronics, this component remains available in production quantities. Substitute parts are identified when OTP memory limitations require reprogramming capability or when enhanced performance specifications are necessary for application requirements.

Substiute Parts

PIC12CE674-10E/P

Microchip TechnologyIn Stock: 756PIC12CE674-10E/P Datasheet

Current PartRFQ

PIC12F683-E/P

Microchip TechnologyIn Stock: 1733PIC12F683-E/P Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PIC12CE674-10E/P is determined by the following critical parameters:

• Core Processor Architecture: Must be PIC to maintain instruction set compatibility
• Core Size: Must remain 8-Bit for register and instruction compatibility
• Program Memory Size: Must be 4.6KB (2K x 14) to accommodate existing firmware
• Package Type: Must be 8-DIP (0.300", 7.62mm) for PCB layout compatibility
• Mounting Type: Must be Through Hole to match assembly requirements
• Voltage Supply Range: Must encompass or exceed 3V ~ 5.5V operating window
• Number of I/O: Must provide minimum 5 I/O pins for application connectivity

The PIC12F683-E/P qualifies as a direct substitute based on matching all critical parameters while offering enhanced capabilities in program memory type (FLASH vs. OTP), operating temperature range, and peripheral integration.

Parameter Comparison

Engineering Selection Recommendations

The PIC12F683-E/P serves as a qualified substitute for the PIC12CE674-10E/P based on the following engineering criteria:

Compatibility: Both devices maintain identical core architecture (8-bit PIC processor), program memory capacity (4.6KB), I/O pin count (5), and physical package footprint (8-DIP). Pin-to-pin compatibility is established, enabling direct PCB substitution without layout modifications.

Compliance: Both parts maintain ROHS3 compliance and carry identical ECCN (EAR99) and HTSUS classifications, ensuring regulatory equivalence for procurement and export purposes.

Product Status: Both components are in active production status with verified programmability, ensuring long-term availability and supply chain stability.

Enhanced Capabilities: The PIC12F683-E/P provides FLASH memory (reprogrammable) versus OTP (one-time programmable), enabling field updates and development flexibility. Extended operating temperature range (-40°C to 125°C versus -40°C to 85°C) accommodates wider environmental specifications. Increased clock speed (20MHz versus 10MHz) and enhanced analog resolution (10-bit versus 8-bit A/D conversion) provide performance headroom for demanding applications.

Frequently Asked Questions (FAQ)

Q: Can the PIC12F683-E/P directly replace the PIC12CE674-10E/P on existing PCBs?

A: Yes. Both devices use identical 8-DIP package geometry (0.300", 7.62mm) with matching pin assignments. Through-hole mounting compatibility is confirmed. No PCB modifications are required for physical substitution.

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

A: The PIC12CE674-10E/P uses OTP (One-Time Programmable) memory, while the PIC12F683-E/P uses FLASH memory. OTP memory cannot be erased or reprogrammed after initial programming. FLASH memory supports multiple program cycles, enabling field updates and development iterations.

Q: Are there voltage supply differences that affect circuit design?

A: The PIC12F683-E/P extends the lower voltage limit to 2V (versus 3V minimum for the PIC12CE674-10E/P), providing broader low-power application support. Both devices maintain the 5.5V upper limit. Existing 3V to 5.5V supply designs remain fully compatible with the substitute part.

Q: Does the speed difference (10MHz versus 20MHz) require firmware modifications?

A: No firmware changes are mandatory. The PIC12F683-E/P operates at 20MHz maximum, but firmware written for 10MHz operation executes correctly at reduced clock speeds through configuration register settings. Applications requiring higher performance can utilize the increased speed without code changes.

Q: How do the analog converter specifications compare?

A: The PIC12CE674-10E/P provides 4-channel 8-bit A/D conversion. The PIC12F683-E/P provides 4-channel 10-bit A/D conversion, offering improved analog measurement resolution. Existing 8-bit A/D code functions on the substitute part with enhanced precision.

Q: What is the EEPROM capacity difference?

A: The PIC12CE674-10E/P includes 16 x 8 bytes of EEPROM. The PIC12F683-E/P includes 256 x 8 bytes of EEPROM, providing 16 times greater non-volatile data storage capacity for parameter logging and configuration storage.

Q: Are both parts available in production quantities?

A: Yes. The PIC12CE674-10E/P has 709 pieces in stock. The PIC12F683-E/P has 1673 pieces in stock, indicating robust supply availability for both components.