PIC12CE674-04I/P Equivalent & Substitute Parts

Part Overview

The PIC12CE674-04I/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 4MHz with a supply voltage range of 3V to 5.5V 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 is widely stocked (2200 pcs available). Finding equivalent or substitute parts becomes necessary when OTP memory limitations require reprogrammable alternatives, when higher performance specifications are needed, or when supply chain considerations demand functionally compatible options.

Substiute Parts

PIC12CE674-04I/P

Microchip TechnologyIn Stock: 2262PIC12CE674-04I/P Datasheet

Current PartRFQ

PIC12F683-I/P

Microchip TechnologyIn Stock: 7003PIC12F683-I/P Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PIC12CE674-04I/P is determined by the following critical parameters:

Core Compatibility Requirements:

• PIC core processor architecture (8-bit)
• Identical program memory capacity (4.6KB / 2K x 14)
• Identical I/O pin count (5 pins)
• Compatible package form factor (8-DIP, 0.300", 7.62mm)
• Through-hole mounting type

Electrical Compatibility Requirements:

• Supply voltage range must encompass or match the original specification (3V ~ 5.5V minimum)
• Operating temperature range must meet or exceed -40°C ~ 85°C
• RAM and EEPROM sizes must be equal or greater

Regulatory & Compliance Requirements:

• ROHS3 compliance maintained
• REACH unaffected status
• EAR99 export classification

The PIC12F683-I/P qualifies as a direct substitute based on these parameters. While it features FLASH memory (reprogrammable) instead of OTP, higher speed (20MHz vs 4MHz), enhanced peripherals, and improved data converter resolution, these represent functional enhancements rather than incompatibilities. The substitute maintains identical core architecture, memory capacity, I/O configuration, package form factor, and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

Both the PIC12CE674-04I/P and PIC12F683-I/P maintain active product status with ROHS3 compliance and REACH unaffected certification, ensuring long-term availability and regulatory alignment. Selection between these components should be based on application-specific requirements:

The PIC12CE674-04I/P remains the appropriate choice for applications where OTP memory is acceptable and lower operating frequency (4MHz) meets performance requirements.

The PIC12F683-I/P serves as a functional substitute when reprogrammable FLASH memory is required, when higher processing speed (20MHz) provides system benefits, or when extended EEPROM capacity (256 x 8 vs 16 x 8) is advantageous. The substitute's lower minimum supply voltage (2V vs 3V) and enhanced analog-to-digital converter resolution (10-bit vs 8-bit) represent additional capabilities without introducing incompatibilities.

Both components share identical pinout, package dimensions, I/O configuration, and core memory capacity, enabling direct physical and functional substitution in 8-DIP through-hole applications.

Frequently Asked Questions (FAQ)

Q: Can the PIC12F683-I/P directly replace the PIC12CE674-04I/P in existing designs?

A: Yes. Both devices feature identical 8-DIP package dimensions (0.300", 7.62mm), 5 I/O pins, 4.6KB program memory capacity, and 128 x 8 RAM. The pinout is compatible, enabling direct physical substitution. Firmware compatibility depends on application-specific code; the PIC12F683-I/P's higher speed and FLASH memory do not introduce electrical incompatibilities.

Q: What is the primary difference between OTP and FLASH memory in these devices?

A: The PIC12CE674-04I/P uses OTP (One-Time Programmable) memory, which can be programmed once during manufacturing. The PIC12F683-I/P uses FLASH memory, which is reprogrammable multiple times, enabling field updates and development flexibility.

Q: Are there supply voltage compatibility concerns?

A: The PIC12CE674-04I/P operates at 3V to 5.5V, while the PIC12F683-I/P operates at 2V to 5.5V. The substitute's lower minimum voltage (2V) is compatible with applications designed for the original part's 3V minimum. No voltage-related incompatibilities exist.

Q: Do the enhanced peripherals in the PIC12F683-I/P affect compatibility?

A: No. The PIC12F683-I/P includes additional features (Brown-out Detect/Reset, PWM) and improved analog resolution (10-bit A/D vs 8-bit), but these represent functional enhancements. Applications using only the basic PIC12CE674-04I/P peripherals (POR, WDT) will function identically with the substitute.

Q: Is the higher clock speed (20MHz vs 4MHz) a concern?

A: No. The PIC12F683-I/P's 20MHz capability is backward compatible with 4MHz applications. Firmware written for 4MHz operation will execute correctly at the substitute's higher speed without modification, though timing-dependent code may require adjustment for optimal performance.

Q: Are both devices RoHS and REACH compliant?

A: Yes. Both the PIC12CE674-04I/P and PIC12F683-I/P are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components.