PIC16F77-I/PT Equivalent & Substitute Parts

Part Overview

The PIC16F77-I/PT is an 8-bit microcontroller from Microchip Technology's PIC® 16F series, currently in active production status. This device integrates 14KB of FLASH program memory, 368 bytes of RAM, and 33 I/O pins in a 44-TQFP surface mount package. The microcontroller operates at 20MHz with a supply voltage range of 4V to 5.5V and includes integrated peripherals such as PWM, watchdog timer, brown-out detection, and communication interfaces (I2C, SPI, UART/USART). Identifying equivalent and substitute parts is necessary when the primary packaging format (Tray) is unavailable or when alternative packaging configurations better suit manufacturing requirements.

Substiute Parts

PIC16F77-I/PT

Microchip TechnologyIn Stock: 6772PIC16F77-I/PT Datasheet

Current PartRFQ

PIC16F77T-I/PT

Microchip TechnologyIn Stock: 2078PIC16F77T-I/PT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PIC16F77-I/PT is determined by strict equivalence across all electrical and mechanical parameters. The primary differentiator between the main part and its substitute is the packaging format. Both the PIC16F77-I/PT and PIC16F77T-I/PT share identical core specifications: 8-bit PIC processor architecture, 20MHz clock speed, 14KB FLASH memory, 368 bytes RAM, 33 I/O pins, identical peripheral set, and 44-TQFP package geometry. The only distinction is the supplier device package configuration: the main part is supplied in Tray format, while the substitute is supplied in Tape & Reel (TR) format. Both parts maintain identical electrical performance, thermal characteristics, compliance certifications (ROHS3, REACH Unaffected), and moisture sensitivity ratings. Substitution is valid when the application requirements permit interchangeability of packaging formats without affecting circuit functionality or assembly processes.

Parameter Comparison

Engineering Selection Recommendations

Both the PIC16F77-I/PT and PIC16F77T-I/PT are active production devices from Microchip Technology with identical electrical specifications and compliance certifications. Selection between these parts should be based on packaging format requirements and manufacturing processes. The PIC16F77-I/PT in Tray packaging is suitable for manual assembly, small-batch production, or applications where individual component handling is required. The PIC16F77T-I/PT in Tape & Reel format is optimized for automated pick-and-place assembly and high-volume manufacturing environments. Both parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory compatibility across applications. The identical moisture sensitivity rating (MSL 3, 168 hours) applies to both packaging formats, requiring equivalent storage and handling protocols.

Frequently Asked Questions (FAQ)

Q: Are PIC16F77-I/PT and PIC16F77T-I/PT electrically identical?

A: Yes. Both parts contain identical PIC 8-bit microcontroller cores with 20MHz operation, 14KB FLASH memory, 368 bytes RAM, 33 I/O pins, and identical peripheral sets. Electrical performance, timing characteristics, and functional behavior are equivalent.

Q: What is the difference between Tray and Tape & Reel packaging?

A: Tray packaging supplies components in plastic trays suitable for manual handling and small-quantity assembly. Tape & Reel packaging supplies components on continuous tape wound on reels, optimized for automated pick-and-place assembly equipment in high-volume production.

Q: Can I substitute PIC16F77T-I/PT for PIC16F77-I/PT in my design?

A: Substitution is valid from an electrical and functional standpoint. The 44-TQFP package geometry and pin configuration are identical. Substitution feasibility depends on your assembly process: manual assembly may favor Tray format, while automated assembly typically requires Tape & Reel format.

Q: Do both parts have the same moisture sensitivity requirements?

A: Yes. Both PIC16F77-I/PT and PIC16F77T-I/PT are rated MSL 3 (168 hours), requiring identical storage conditions and bake-out procedures before reflow soldering.

Q: Are there any compliance differences between these parts?

A: No. Both parts maintain identical ROHS3 compliance and REACH Unaffected status. Regulatory requirements and environmental compliance are equivalent.

Q: Which part should I select for high-volume manufacturing?

A: PIC16F77T-I/PT in Tape & Reel format is recommended for high-volume automated assembly. This packaging format integrates seamlessly with standard pick-and-place equipment and reduces manual handling.