PIC16LC715-04I/SO Equivalent & Substitute Parts

Part Overview

The PIC16LC715-04I/SO is an 8-bit microcontroller from Microchip Technology's PIC® 16C series, featuring 4.6KB OTP program memory, 128 x 8 bytes of RAM, and 13 I/O pins in an 18-SOIC 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 brown-out detect/reset, PWM, and watchdog timer functionality. Currently in active product status with ROHS3 compliance and unlimited moisture sensitivity rating, this microcontroller serves embedded control applications requiring OTP memory programming.

Substitute parts become necessary when OTP memory limitations require reprogramming capability, when higher processing speed is required, or when extended supply voltage range compatibility is needed for specific application requirements.

Substiute Parts

PIC16LC715-04I/SO

Microchip TechnologyIn Stock: 1116PIC16LC715-04I/SO Datasheet

Current PartRFQ

PIC16F716-I/SO

Microchip TechnologyIn Stock: 21970PIC16F716-I/SO Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PIC16LC715-04I/SO is determined by the following critical parameters:

Mandatory Compatibility Parameters:

• Core processor architecture: PIC
• Core size: 8-Bit
• Program memory size: 4.6KB (2K x 14)
• Number of I/O pins: 13
• Package type: 18-SOIC
• Physical dimensions: 18-SOIC (0.295", 7.50mm Width)
• Data converter specification: A/D 4x8b
• Operating temperature range: -40°C ~ 85°C (TA)

Allowable Variation Parameters:

• Program memory type: OTP or FLASH (reprogrammable alternatives)
• Speed: Equal to or greater than 4MHz
• Supply voltage range: Must encompass or exceed 2.5V ~ 5.5V
• Peripheral set: May include additional peripherals beyond the original specification

The PIC16F716-I/SO qualifies as a direct substitute based on identical core architecture, memory capacity, I/O configuration, package specification, and operating parameters, with the distinction of FLASH memory replacing OTP and enhanced speed capability.

Parameter Comparison

Engineering Selection Recommendations

The PIC16F716-I/SO serves as a direct functional equivalent to the PIC16LC715-04I/SO with the following engineering considerations:

Memory Technology Advantage: The PIC16F716-I/SO employs FLASH memory technology, enabling in-circuit reprogramming and field updates without device replacement. This contrasts with the OTP (One-Time Programmable) memory of the PIC16LC715-04I/SO, which permits only single programming during manufacturing.

Speed Enhancement: Operating at 20MHz versus 4MHz, the PIC16F716-I/SO provides five-fold processing speed improvement while maintaining identical instruction set compatibility and peripheral functionality.

Supply Voltage Compatibility: The PIC16F716-I/SO extends the lower supply voltage limit to 2V, providing broader operational flexibility compared to the 2.5V minimum of the PIC16LC715-04I/SO.

Compliance and Certification: Both devices maintain identical ROHS3 compliance, unlimited moisture sensitivity rating (MSL 1), and active product status, ensuring equivalent regulatory and supply chain reliability.

Peripheral Parity: Both microcontrollers include brown-out detect/reset, PWM, and watchdog timer functionality. The PIC16F716-I/SO adds Power-On Reset (POR) capability as an additional feature.

Frequently Asked Questions (FAQ)

Q: Can the PIC16F716-I/SO directly replace the PIC16LC715-04I/SO in existing designs?

A: Yes. Both devices share identical core architecture, memory capacity, I/O pin count, package specification, and operating temperature range. The 18-SOIC package dimensions and pinout are identical, permitting direct PCB substitution without layout modification.

Q: What is the primary functional difference between these microcontrollers?

A: The PIC16LC715-04I/SO uses OTP (One-Time Programmable) memory, allowing single programming during manufacturing. The PIC16F716-I/SO uses FLASH memory, enabling multiple reprogramming cycles in-circuit or in-system, supporting firmware updates and development iterations.

Q: Does the higher speed of the PIC16F716-I/SO affect software compatibility?

A: Software written for the PIC16LC715-04I/SO executes on the PIC16F716-I/SO without modification. The instruction set is identical. Applications requiring the original 4MHz timing must implement appropriate timing adjustments or clock division if the 20MHz speed is not desired.

Q: Are there supply voltage considerations when substituting these parts?

A: The PIC16F716-I/SO operates from 2V to 5.5V, extending below the PIC16LC715-04I/SO minimum of 2.5V. Both devices are compatible with standard 3.3V and 5V supply rails. Applications operating below 2.5V require the PIC16F716-I/SO.

Q: What packaging options are available for these microcontrollers?

A: Both the PIC16LC715-04I/SO and PIC16F716-I/SO are supplied in 18-SOIC surface mount packages with identical physical dimensions (0.295" width, 7.50mm). No alternative package variants are specified in this comparison.

Q: Are there inventory or lead time differences between these parts?

A: Inventory levels vary by supplier and time period. The PIC16F716-I/SO typically maintains higher stock availability due to broader application use and FLASH memory advantages. Consult current distributor inventory for specific procurement timelines.

Q: Can firmware developed for the PIC16LC715-04I/SO be programmed into the PIC16F716-I/SO?

A: Yes. The identical instruction set and memory organization permit direct firmware transfer. Programming tools and procedures differ due to FLASH versus OTP memory technology, but the compiled binary code executes identically on both devices.