PIC16F818T-E/SS Equivalent & Substitute Parts

Part Overview

The PIC16F818T-E/SS is an 8-bit microcontroller from Microchip Technology's PIC® 16F series, designed for embedded applications requiring compact flash memory and integrated peripherals. This device features 1.75KB of FLASH program memory, 128 bytes of EEPROM, and 128 bytes of RAM, with support for I2C and SPI connectivity. The part is currently in active production status and is RoHS3 compliant. Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate packaging or inventory requirements across different procurement channels.

Substiute Parts

PIC16F818T-E/SS

Microchip TechnologyIn Stock: 1185PIC16F818T-E/SS Datasheet

Current PartRFQ

PIC16F818-E/SS

Microchip TechnologyIn Stock: 3877PIC16F818-E/SS Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PIC16F818T-E/SS is determined by strict equivalence across all electrical and mechanical parameters. The primary substitute identified is the PIC16F818-E/SS, which shares identical specifications with the main part across all critical dimensions:

Key Parameters for Substitution:

• Core processor architecture (PIC 8-bit)
• Memory configuration (1.75KB FLASH, 128 x 8 EEPROM, 128 x 8 RAM)
• Operating speed (20MHz)
• I/O count (16 pins)
• Supply voltage range (4V ~ 5.5V)
• Peripheral feature set (I2C, SPI, PWM, WDT, Brown-out Detect/Reset, POR)
• Data converter specifications (A/D 5x10b)
• Operating temperature range (-40°C ~ 125°C)
• Physical package (20-SSOP)
• Compliance certifications (RoHS3, REACH Unaffected)

The only difference between the main part and its substitute is the packaging format: the PIC16F818T-E/SS is supplied in Tape & Reel (TR) format, while the PIC16F818-E/SS is supplied in Tube format. This distinction affects procurement and handling but does not alter electrical or functional characteristics.

Parameter Comparison

Engineering Selection Recommendations

Both the PIC16F818T-E/SS and PIC16F818-E/SS are active production parts from Microchip Technology with identical electrical specifications and compliance certifications. Selection between these parts should be based on procurement requirements and assembly processes:

• Tape & Reel (TR) Format (PIC16F818T-E/SS): Suitable for high-volume automated assembly operations where components are fed directly into pick-and-place equipment. This format optimizes production throughput and reduces manual handling.

• Tube Format (PIC16F818-E/SS): Appropriate for lower-volume production runs, prototyping, or manual assembly processes where individual component access is required.

Both parts maintain RoHS3 compliance and REACH unaffected status, ensuring regulatory alignment for global markets. The MSL rating of 1 (Unlimited) indicates no moisture sensitivity constraints during storage or handling.

Frequently Asked Questions (FAQ)

Q: Are the PIC16F818T-E/SS and PIC16F818-E/SS electrically identical?

A: Yes. Both parts are manufactured by Microchip Technology and share identical electrical specifications, memory configurations, operating parameters, and peripheral features. The only difference is the packaging format used for delivery.

Q: Can I substitute the PIC16F818-E/SS (Tube) for the PIC16F818T-E/SS (Tape & Reel) in my design?

A: Yes, from an electrical and functional standpoint, direct substitution is valid. However, the packaging format affects procurement logistics and assembly processes. Tube packaging requires manual component handling, while Tape & Reel format integrates with automated assembly lines.

Q: What does the packaging designation mean?

A: Tape & Reel (TR) format supplies components wound on a continuous tape within a reel, designed for automated pick-and-place assembly. Tube format supplies components in a plastic tube, typically used for manual or semi-automated assembly.

Q: Are both parts RoHS compliant?

A: Yes. Both the PIC16F818T-E/SS and PIC16F818-E/SS are RoHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for global distribution.

Q: What is the significance of the MSL rating?

A: The MSL (Moisture Sensitivity Level) rating of 1 indicates unlimited moisture sensitivity tolerance. These parts do not require special moisture control measures during storage or handling, simplifying inventory management.

Q: Can I use either part in applications requiring I2C or SPI communication?

A: Yes. Both parts include integrated I2C and SPI connectivity, along with PWM, watchdog timer (WDT), and brown-out detection peripherals, supporting a wide range of embedded control applications.