PIC16LC770T/SO Equivalent & Substitute Parts

Part Overview

The PIC16LC770T/SO is an 8-bit microcontroller from Microchip Technology's PIC® 16C series, featuring 4.6KB OTP program memory, 256 bytes of RAM, and integrated peripherals including PWM, watchdog timer, and brown-out detection. This device is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support, legacy product maintenance, and design continuity in applications where this controller was originally specified.

Substiute Parts

PIC16LC770T/SO

Microchip TechnologyIn Stock: 1195PIC16LC770T/SO Datasheet

Current PartRFQ

Key Parameters

Substitute Part Grouping Explanation

No substitute parts are currently available in the provided database. Substitution for the PIC16LC770T/SO requires identification of alternative microcontrollers that meet the following critical parameters:

• Core Architecture: PIC 8-bit processor
• Program Memory: 4.6KB OTP minimum
• RAM: 256 bytes minimum
• Operating Voltage: 2.5V ~ 5.5V range
• I/O Count: 15 pins minimum
• Connectivity: I2C and SPI support
• Package: 20-SOIC form factor
• Peripherals: PWM, WDT, brown-out detection, POR
• Speed: 20MHz operation capability

Without substitute parts provided in the input data, direct functional replacement cannot be specified at this time.

Parameter Comparison

No substitute parts are available for comparison.

Engineering Selection Recommendations

The PIC16LC770T/SO is classified as obsolete. For applications currently using this device, the following considerations apply:

• Compliance Status: The part maintains ROHS3 compliance and is REACH unaffected, supporting continued use in compliant applications where existing inventory is available.
• Certification: MSL rating of 1 (unlimited) indicates no moisture sensitivity constraints for storage and handling.
• Legacy Support: Existing stock of 1089 units is available as new original inventory, providing short-term supply for maintenance and repair applications.

For new designs or long-term production requirements, evaluation of current-generation PIC microcontrollers with equivalent or superior specifications is necessary.

Frequently Asked Questions (FAQ)

Q: Why is the PIC16LC770T/SO classified as obsolete? A: Microchip Technology has discontinued this device in favor of newer microcontroller architectures with enhanced capabilities and extended support lifecycles.

Q: What parameters must a substitute part match? A: Critical matching parameters include 8-bit PIC core architecture, 4.6KB minimum OTP program memory, 256-byte RAM, 20MHz speed capability, 15 I/O pins, I2C/SPI connectivity, 20-SOIC package, and integrated PWM, WDT, and brown-out detection peripherals.

Q: Can this device be replaced with a different package type? A: Package substitution is not recommended without full circuit redesign. The 20-SOIC form factor is integral to PCB layout and pin assignment. Alternative packages require verification of pin compatibility and board-level modifications.

Q: Is the 2.5V ~ 5.5V supply voltage range critical for substitution? A: Yes. Any substitute must support this voltage range to ensure compatibility with existing power supply designs and application requirements.

Q: What is the significance of OTP program memory? A: OTP (One-Time Programmable) memory cannot be erased or reprogrammed after initial programming. Substitutes must support the same programming model or require application firmware redesign.