PIC12CE674-10/P Equivalent & Substitute Parts

Part Overview

The PIC12CE674-10/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, single-program solutions. This device is currently active in production with verified programmability through DiGi-Electronics. Finding equivalent or substitute parts becomes necessary when OTP memory limitations conflict with development requirements, when higher operating temperature ranges are needed, or when reprogrammable memory is preferred for prototyping and production flexibility.

Substiute Parts

PIC12CE674-10/P

Microchip TechnologyIn Stock: 945PIC12CE674-10/P Datasheet

Current PartRFQ

PIC12F683-I/P

Microchip TechnologyIn Stock: 7003PIC12F683-I/P Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The PIC12F683-I/P qualifies as a direct substitute based on the following alignment of critical parameters:

Matching Parameters:

• Identical core processor architecture (PIC 8-bit)
• Identical program memory capacity (4.6KB / 2K x 14)
• Identical number of I/O pins (5)
• Identical package form factor (8-DIP, 0.300", 7.62mm)
• Identical mounting type (Through Hole)
• Overlapping voltage supply range (2V ~ 5.5V encompasses 3V ~ 5.5V)
• Identical EEPROM and RAM architecture (256 x 8 EEPROM, 128 x 8 RAM)
• Identical data converter specification (A/D 4-channel)
• Identical compliance certifications (ROHS3, REACH Unaffected, EAR99)

Functional Enhancements in Substitute:

• Program memory type upgraded from OTP to FLASH (reprogrammable)
• Operating speed increased from 10MHz to 20MHz
• Operating temperature range expanded from 0°C ~ 70°C to -40°C ~ 85°C
• A/D converter resolution improved from 8-bit to 10-bit
• Additional peripherals: Brown-out Detect/Reset and PWM

Parameter Comparison

Engineering Selection Recommendations

Use PIC12CE674-10/P when:

• OTP (one-time programmable) memory is acceptable for production-locked applications
• Operating temperature range of 0°C ~ 70°C meets system requirements
• 10MHz clock speed is sufficient for the application
• 8-bit A/D converter resolution is adequate
• Minimum voltage supply of 3V is acceptable

Use PIC12F683-I/P when:

• FLASH reprogrammable memory is required for development, testing, or field updates
• Extended operating temperature range (-40°C ~ 85°C) is necessary
• Higher processing speed (20MHz) provides performance margin
• 10-bit A/D converter resolution improves analog measurement accuracy
• Lower minimum supply voltage (2V) enables battery-powered applications
• Additional peripherals (Brown-out Detect/Reset, PWM) are beneficial
• Larger EEPROM capacity (256 x 8 vs. 16 x 8) is needed for data storage

Both devices maintain identical pin compatibility, package form factor, and compliance certifications (ROHS3, REACH Unaffected, EAR99), enabling direct substitution at the board level without layout modifications.

Frequently Asked Questions (FAQ)

Q: Are PIC12CE674-10/P and PIC12F683-I/P pin-compatible?

A: Yes. Both devices use the 8-DIP (0.300", 7.62mm) package with identical pin assignments for the 5 I/O lines, power, and ground connections. Direct socket substitution is possible without PCB redesign.

Q: Can PIC12F683-I/P replace PIC12CE674-10/P in existing designs?

A: Yes, with consideration of application requirements. The PIC12F683-I/P is functionally superior in all measurable parameters (speed, memory type, temperature range, A/D resolution, EEPROM capacity). Existing firmware compiled for PIC12CE674-10/P will execute on PIC12F683-I/P without modification, provided the code does not depend on the narrower operating temperature range or lower clock speed of the original device.

Q: What is the primary difference between these two devices?

A: The main difference is program memory type: PIC12CE674-10/P uses OTP (one-time programmable) memory, while PIC12F683-I/P uses FLASH (reprogrammable) memory. This distinction affects development workflow, field serviceability, and production flexibility.

Q: Does the higher clock speed of PIC12F683-I/P affect power consumption?

A: The 20MHz speed of PIC12F683-I/P may increase power consumption compared to the 10MHz PIC12CE674-10/P under equivalent load conditions. System design must account for this difference in power budget calculations.

Q: Are both devices currently in production?

A: Yes. Both PIC12CE674-10/P and PIC12F683-I/P are listed as Active products from Microchip Technology with verified programmability and current inventory availability.

Q: What compliance certifications apply to both devices?

A: Both devices are ROHS3 Compliant, REACH Unaffected, and classified under ECCN EAR99 with HTSUS code 8542.31.0001.