PIC16LC63AT-04/SS Equivalent & Substitute Parts

Part Overview

The PIC16LC63AT-04/SS is an 8-bit microcontroller from Microchip Technology's PIC® 16C series, featuring 7KB OTP program memory, 192 x 8 bytes of RAM, and 22 I/O pins in a 28-SSOP surface mount package. The device operates at 4MHz with a supply voltage range of 2.5V to 5.5V and includes integrated peripherals such as PWM, WDT, brown-out detection, and communication interfaces (I2C, SPI, UART/USART).

The PIC16LC63AT-04/SS is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production or maintenance requirements for systems utilizing this microcontroller.

Substiute Parts

PIC16LC63AT-04/SS

Microchip TechnologyIn Stock: 1269PIC16LC63AT-04/SS Datasheet

Current PartRFQ

PIC16LC63A-04/SS

Microchip TechnologyIn Stock: 2450PIC16LC63A-04/SS Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PIC16LC63AT-04/SS is determined by strict equivalence across the following critical parameters:

• Core Processor Architecture: PIC processor family
• Core Size: 8-Bit processing capability
• Operating Speed: 4MHz clock frequency
• Program Memory: 7KB (4K x 14) OTP configuration
• RAM Configuration: 192 x 8 byte organization
• I/O Pin Count: 22 I/O pins
• Supply Voltage Range: 2.5V ~ 5.5V compatibility
• Peripheral Set: I2C, SPI, UART/USART, PWM, WDT, brown-out detection
• Package Type: 28-SSOP surface mount form factor
• Physical Dimensions: 0.209" × 5.30mm width

The substitute part PIC16LC63A-04/SS maintains identical electrical specifications, memory configuration, peripheral functionality, and physical packaging, establishing direct functional equivalence.

Parameter Comparison

Engineering Selection Recommendations

The PIC16LC63A-04/SS is the direct substitute for the obsolete PIC16LC63AT-04/SS. Both devices are manufactured by Microchip Technology and share identical electrical, functional, and physical specifications.

The PIC16LC63A-04/SS holds Active product status, ensuring ongoing availability and manufacturer support. Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for current production environments.

Selection of the PIC16LC63A-04/SS eliminates obsolescence risk while maintaining complete design compatibility with existing PIC16LC63AT-04/SS implementations.

Frequently Asked Questions (FAQ)

Q: Are the PIC16LC63AT-04/SS and PIC16LC63A-04/SS pin-compatible?

A: Yes. Both devices utilize the 28-SSOP package with identical pin assignments, I/O configuration (22 pins), and electrical characteristics. Direct PCB substitution is supported without layout modifications.

Q: What is the difference between the two part numbers?

A: The primary difference is product status. The PIC16LC63AT-04/SS is classified as obsolete, while the PIC16LC63A-04/SS maintains Active status. The electrical specifications, memory configuration, and peripheral functionality are identical.

Q: Can I use the PIC16LC63A-04/SS in place of the PIC16LC63AT-04/SS in existing designs?

A: Yes. The PIC16LC63A-04/SS is a direct functional equivalent. No design changes, firmware modifications, or PCB alterations are required for substitution.

Q: Are there any packaging differences between these parts?

A: The PIC16LC63AT-04/SS packaging is not specified in available data. The PIC16LC63A-04/SS is supplied in Tube packaging. Both devices use the 28-SSOP form factor with identical physical dimensions (0.209" × 5.30mm width).

Q: What compliance certifications apply to both parts?

A: Both the PIC16LC63AT-04/SS and PIC16LC63A-04/SS are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8542.31.0001.

Q: Is the PIC16LC63A-04/SS currently in stock?

A: Availability data indicates 2440 pieces of the PIC16LC63A-04/SS are in stock as new original inventory. The PIC16LC63AT-04/SS has 1170 pieces available but is obsolete.