PIC16C62AT-20E/SS Equivalent & Substitute Parts

Part Overview

The PIC16C62AT-20E/SS is an 8-bit microcontroller from Microchip Technology's PIC® 16C series, featuring 4.6KB OTP program memory, 128 bytes of RAM, and 22 I/O pins. This device operates at 20MHz with integrated peripherals including PWM, watchdog timer, and brown-out detection. The part is classified as obsolete, making identification of compatible substitutes essential for ongoing system support and new design implementations.

Substiute Parts

PIC16C62AT-20E/SS

Microchip TechnologyIn Stock: 924PIC16C62AT-20E/SS Datasheet

Current PartRFQ

PIC16C62A-20I/SS

Microchip TechnologyIn Stock: 1067PIC16C62A-20I/SS Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PIC16C62AT-20E/SS is determined by strict equivalence across the following critical parameters:

• Core Architecture: PIC 8-bit processor
• Clock Speed: 20MHz operation
• Program Memory: 4.6KB OTP capacity
• RAM: 128 x 8 bytes
• I/O Count: 22 pins minimum
• Supply Voltage: 4V ~ 6V range
• Package: 28-SSOP form factor
• Peripherals: I2C, SPI, PWM, WDT, brown-out detection

The PIC16C62A-20I/SS meets all electrical and mechanical substitution criteria. Both devices share identical core specifications, memory architecture, and peripheral functionality. Differences in product status (obsolete vs. active) and operating temperature range do not affect functional substitutability for applications within the specified temperature window.

Parameter Comparison

Engineering Selection Recommendations

The PIC16C62A-20I/SS is a direct functional equivalent to the PIC16C62AT-20E/SS. Selection between these parts should be based on the following criteria:

For New Designs: The PIC16C62A-20I/SS is the preferred choice due to active product status and verified programmability through DiGi-Electronics. This ensures long-term availability and manufacturing support.

For Legacy System Support: The PIC16C62AT-20E/SS remains suitable for applications requiring extended temperature operation (-40°C to 125°C). If the application operates within the -40°C to 85°C range, the PIC16C62A-20I/SS provides equivalent performance with improved supply chain accessibility.

Compliance Considerations: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can the PIC16C62A-20I/SS directly replace the PIC16C62AT-20E/SS in existing designs?

A: Yes, the PIC16C62A-20I/SS is a direct substitute for applications operating within -40°C to 85°C. Both devices share identical core architecture, memory configuration, I/O count, and peripheral functionality. The 28-SSOP package dimensions are identical, enabling direct PCB compatibility.

Q: What is the difference between the operating temperature ranges?

A: The PIC16C62AT-20E/SS operates from -40°C to 125°C, while the PIC16C62A-20I/SS operates from -40°C to 85°C. For applications requiring extended high-temperature operation above 85°C, the original part specification must be maintained. For standard industrial applications, both ranges are equivalent.

Q: Are there any differences in memory or I/O specifications?

A: No. Both parts feature identical 4.6KB OTP program memory, 128 x 8 RAM, 22 I/O pins, and peripheral sets including I2C, SPI, PWM, watchdog timer, and brown-out detection.

Q: What does "obsolete" product status mean for the PIC16C62AT-20E/SS?

A: Obsolete status indicates that Microchip Technology has discontinued active manufacturing and support for this part. The PIC16C62A-20I/SS, with active status, represents the current production equivalent and is recommended for new designs and ongoing system support.

Q: Are both parts RoHS compliant?

A: Yes. Both the PIC16C62AT-20E/SS and PIC16C62A-20I/SS are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for industrial applications.

Q: Can I use these parts interchangeably in the same circuit board?

A: Yes. Both parts use the 28-SSOP package with identical pin configuration and electrical specifications. No circuit modifications are required for substitution within the specified operating temperature range.