Equivalent & Substitute Parts for R5F100JLDFA#X0

Part Overview

The R5F100JLDFA#X0 is a 16-bit RL78/G13 microcontroller manufactured by Renesas Electronics Corporation, featuring 512KB FLASH memory, 32KB RAM, and 8KB EEPROM in a 52-LQFP package. This part is classified as obsolete, making identification of active equivalent alternatives essential for ongoing design support and procurement continuity. Substitute parts maintain identical electrical and mechanical specifications while offering active product status and improved availability.

Substiute Parts

R5F100JLDFA#X0

Renesas Electronics CorporationIn Stock: 823R5F100JLDFA#X0 Datasheet

Current PartRFQ

R5F100JLDFA#50

Renesas Electronics CorporationIn Stock: 817R5F100JLDFA#50 Datasheet

DirectRFQ

R5F100JLAFA#50

Renesas Electronics CorporationIn Stock: 776R5F100JLAFA#50 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the R5F100JLDFA#X0 are identified based on strict equivalence across the following critical parameters:

• Processor Architecture: RL78 core, 16-bit, 32MHz operation
• Memory Configuration: 512KB FLASH, 32KB RAM, 8KB EEPROM
• Package Specification: 52-LQFP (10x10) surface mount
• Electrical Characteristics: 1.6V ~ 5.5V supply voltage range, -40°C ~ 85°C operating temperature
• Connectivity & Peripherals: CSI, I2C, LINbus, UART/USART; DMA, LVD, POR, PWM, WDT
• Compliance: ROHS3 Compliant, MSL 3 (168 Hours)

The identified substitutes differ only in packaging format (Tape & Reel) and product status (Active vs. Obsolete), with no variation in electrical or functional specifications.

Parameter Comparison

Engineering Selection Recommendations

Both R5F100JLDFA#50 and R5F100JLAFA#50 are direct functional equivalents to the obsolete R5F100JLDFA#X0. Selection between these active alternatives should be based on the following criteria:

Product Status: Both substitute parts carry Active product status, ensuring long-term availability and manufacturing support compared to the Obsolete main part.

Compliance & Certifications: All three parts maintain ROHS3 compliance and MSL 3 (168 Hours) moisture sensitivity rating. The substitute parts provide additional documentation through REACH Unaffected status and assigned ECCN/HTSUS codes, supporting regulatory and export compliance requirements.

Packaging Format: The main part R5F100JLDFA#X0 is supplied in standard packaging, while both substitutes (R5F100JLDFA#50 and R5F100JLAFA#50) are supplied in Tape & Reel format. This difference affects procurement logistics and automated assembly processes but does not impact electrical or functional performance.

Electrical & Functional Equivalence: All three parts are electrically and functionally identical across processor architecture, memory configuration, I/O count, connectivity options, and operating parameters. Direct pin-for-pin and functional substitution is supported without design modification.

Frequently Asked Questions (FAQ)

Q: Can R5F100JLDFA#50 and R5F100JLAFA#50 be used interchangeably with R5F100JLDFA#X0?

A: Yes. Both substitute parts are electrically and functionally equivalent to the main part. They share identical processor architecture, memory specifications, I/O configuration, and operating parameters. The only differences are product status (Active vs. Obsolete) and packaging format (Tape & Reel vs. Standard).

Q: What is the significance of the packaging format difference?

A: The main part uses standard packaging, while the substitutes use Tape & Reel (TR) format. This affects procurement and assembly logistics. Tape & Reel packaging is optimized for automated pick-and-place assembly and high-volume production. Standard packaging may be used for manual assembly or lower-volume applications. Electrical and functional performance is identical regardless of packaging format.

Q: Why is the main part classified as Obsolete?

A: The R5F100JLDFA#X0 is marked as Obsolete, indicating it is no longer in active production. The identified substitute parts (R5F100JLDFA#50 and R5F100JLAFA#50) maintain Active status, ensuring continued availability and manufacturing support for new designs and ongoing production requirements.

Q: Are there any differences in compliance or regulatory status between the three parts?

A: All three parts are ROHS3 compliant and carry MSL 3 (168 Hours) rating. The substitute parts provide additional regulatory documentation: REACH Unaffected status and assigned ECCN (3A991A2) and HTSUS (8542.31.0001) codes. These certifications support export compliance and regulatory requirements for international distribution.

Q: Can existing designs using R5F100JLDFA#X0 be updated to use the substitute parts without modification?

A: Yes. The substitute parts are pin-for-pin and functionally equivalent. No design modifications, PCB layout changes, or firmware updates are required. Direct component substitution is supported for both new designs and design updates.

Q: What inventory considerations should be evaluated when selecting between the substitute parts?

A: Current inventory levels are: R5F100JLDFA#X0 (801 Pcs), R5F100JLDFA#50 (787 Pcs), and R5F100JLAFA#50 (745 Pcs). All three parts are available in stock. Selection should prioritize the Active substitute parts to ensure long-term supply continuity and avoid future obsolescence issues.