PIC16C620AT-04E/SS Equivalent & Substitute Parts

Part Overview

The PIC16C620AT-04E/SS is an 8-bit microcontroller from Microchip Technology's PIC® 16C series, featuring 896B of OTP program memory, 96 x 8 bytes of RAM, and 13 I/O pins in a 20-SSOP surface mount package. The device operates at 4MHz with a supply voltage range of 2.5V to 5.5V and includes integrated brown-out detection, power-on reset, and watchdog timer functionality.

This part is classified as obsolete. Locating equivalent or substitute components is necessary to support legacy system maintenance, design updates, or when original inventory becomes unavailable. Active alternatives with compatible electrical and mechanical specifications are available from the same manufacturer.

Substiute Parts

PIC16C620AT-04E/SS

Microchip TechnologyIn Stock: 1016PIC16C620AT-04E/SS Datasheet

Current PartRFQ

PIC16C620A-04E/SS

Microchip TechnologyIn Stock: 721PIC16C620A-04E/SS Datasheet

DirectRFQ

PIC16C620A-04I/SS

Microchip TechnologyIn Stock: 2286PIC16C620A-04I/SS Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PIC16C620AT-04E/SS is determined by strict equivalence across the following critical parameters:

• Core Architecture: PIC 8-bit processor
• Memory Configuration: 896B OTP program memory (512 x 14), 96 x 8 RAM
• I/O Count: 13 pins
• Operating Frequency: 4MHz
• Supply Voltage Range: 2.5V ~ 5.5V
• Package Type: 20-SSOP surface mount
• Physical Dimensions: 0.209" × 5.30mm width

The identified substitute parts maintain identical electrical specifications and package geometry, ensuring direct functional replacement in existing designs. Differences in product status, operating temperature range, and packaging format are noted but do not affect core electrical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both PIC16C620A-04E/SS and PIC16C620A-04I/SS are active product alternatives to the obsolete PIC16C620AT-04E/SS. Selection between these options depends on application-specific requirements:

PIC16C620A-04E/SS maintains the full operating temperature range of -40°C to 125°C, matching the original part specification. This variant is suitable for applications requiring extended temperature operation across the full industrial range.

PIC16C620A-04I/SS operates within a reduced temperature range of -40°C to 85°C and is supplied in tube packaging. This variant is appropriate for commercial and consumer applications operating within standard temperature limits.

Both substitute parts are ROHS3 compliant, REACH unaffected, and carry MSL rating of 1 (unlimited moisture sensitivity). All three parts share identical electrical characteristics, memory configuration, I/O count, and 20-SSOP package geometry, ensuring direct functional interchangeability within their respective temperature operating ranges.

Frequently Asked Questions (FAQ)

Q: Can PIC16C620A-04E/SS and PIC16C620A-04I/SS be used interchangeably with PIC16C620AT-04E/SS?

A: Both parts are electrically and mechanically compatible with the original PIC16C620AT-04E/SS. Selection depends on the application's operating temperature requirements. If the design operates within -40°C to 85°C, either part is suitable. If extended temperature operation to 125°C is required, use PIC16C620A-04E/SS.

Q: What is the difference between the two substitute parts?

A: PIC16C620A-04E/SS and PIC16C620A-04I/SS differ in operating temperature range and packaging format. PIC16C620A-04E/SS supports -40°C to 125°C; PIC16C620A-04I/SS supports -40°C to 85°C and is supplied in tube packaging.

Q: Are all three parts in the same 20-SSOP package?

A: Yes. All three parts use the 20-SSOP surface mount package with identical physical dimensions of 0.209" × 5.30mm width, enabling direct PCB placement without modification.

Q: What compliance certifications apply to the substitute parts?

A: Both substitute parts are ROHS3 compliant, REACH unaffected, and carry MSL rating of 1 (unlimited). They meet the same regulatory requirements as the original part.

Q: Why is the original PIC16C620AT-04E/SS classified as obsolete?

A: Product obsolescence is determined by the manufacturer. Active alternatives with identical specifications are available to support legacy designs and system maintenance.