R5F104FJAFP#10 Equivalent & Substitute Parts

Part Overview

The R5F104FJAFP#10 is a 16-bit embedded microcontroller from Renesas Electronics Corporation, part of the RL78/G14 series. This device integrates a 32MHz RL78 core processor with 256KB FLASH program memory, 24KB RAM, and 8KB EEPROM, housed in a 44-LQFP surface mount package. The microcontroller supports multiple communication protocols including CSI, I2C, LINbus, and UART/USART, with integrated peripherals such as DMA, PWM, watchdog timer, and analog/digital conversion capabilities. The device operates across a wide supply voltage range of 1.6V to 5.5V and maintains active product status with full RoHS3 compliance. Substitute parts are identified to provide alternative sourcing options while maintaining identical electrical and mechanical specifications.

Substiute Parts

R5F104FJAFP#10

Renesas Electronics CorporationIn Stock: 1061R5F104FJAFP#10 Datasheet

Current PartRFQ

R5F104FJAFP#30

Renesas Electronics CorporationIn Stock: 1045R5F104FJAFP#30 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the R5F104FJAFP#10 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part R5F104FJAFP#30 maintains identical specifications in the following key areas:

Core Architecture & Performance: Both parts utilize the RL78 16-bit core processor operating at 32MHz, ensuring functional compatibility at the instruction set and execution level.

Memory Configuration: Identical program memory (256KB FLASH), EEPROM (8K x 8), and RAM (24K x 8) specifications guarantee software compatibility and data storage capacity equivalence.

Electrical Characteristics: Both devices operate within the same supply voltage range (1.6V ~ 5.5V) and share identical operating temperature specifications (-40°C ~ 85°C), ensuring interchangeability in thermal and power delivery environments.

Peripheral & Interface Compatibility: Matching connectivity options (CSI, I2C, LINbus, UART/USART) and peripheral sets (DMA, LVD, POR, PWM, WDT) with identical I/O count (31 pins) confirm functional equivalence.

Package & Environmental Compliance: Both parts are supplied in 44-LQFP (10x10) surface mount packages with identical RoHS3 compliance, MSL rating (3), and REACH status, ensuring PCB assembly and regulatory compatibility.

The difference between R5F104FJAFP#10 and R5F104FJAFP#30 relates to packaging tray designation only, with no impact on device functionality or electrical performance.

Parameter Comparison

Engineering Selection Recommendations

Both the R5F104FJAFP#10 and R5F104FJAFP#30 are suitable for direct substitution in applications requiring RL78/G14 series microcontrollers. Selection between these parts should be based on inventory availability and supply chain requirements, as they are electrically and mechanically equivalent.

Compliance & Regulatory Considerations: Both parts maintain active product status with full RoHS3 compliance and REACH unaffected designation, satisfying regulatory requirements for industrial, automotive, and consumer applications. The identical MSL rating (3, 168 hours) ensures equivalent moisture handling and storage requirements during manufacturing and assembly processes.

Supply Chain & Sourcing: The R5F104FJAFP#10 currently maintains 993 units in stock, while the R5F104FJAFP#30 variant has 980 units available. Selection should prioritize inventory levels and lead time requirements for production schedules.

Application Continuity: No design modifications, firmware changes, or PCB layout adjustments are required when substituting between these parts. Pin configuration, electrical performance, and functional behavior remain identical across both variants.

Frequently Asked Questions (FAQ)

Q: Are R5F104FJAFP#10 and R5F104FJAFP#30 pin-for-pin compatible?

A: Yes. Both parts utilize the 44-LQFP (10x10) package with identical pin assignments, electrical characteristics, and I/O configuration. Direct substitution on existing PCB designs is supported without layout modifications.

Q: What is the difference between the #10 and #30 designations?

A: The suffix designations refer to packaging tray specifications only. Both parts contain identical microcontroller dies with matching electrical and functional specifications. The difference does not affect device performance or application compatibility.

Q: Can firmware developed for R5F104FJAFP#10 run on R5F104FJAFP#30?

A: Yes. Both devices share identical RL78 core architecture, instruction set, memory configuration, and peripheral functionality. Firmware compiled for one part executes identically on the other without modification.

Q: Are there any thermal or power supply differences between these parts?

A: No. Both parts operate within the identical voltage range (1.6V ~ 5.5V) and temperature range (-40°C ~ 85°C). Thermal characteristics, power consumption profiles, and electrical specifications are equivalent.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both R5F104FJAFP#10 and R5F104FJAFP#30 maintain RoHS3 compliance, REACH unaffected status, and identical MSL ratings (3, 168 hours). No additional compliance documentation or certification is required when substituting between these parts.

Q: What is the moisture sensitivity level, and does it differ between the two parts?

A: Both parts carry MSL rating 3 with a 168-hour floor life specification. This indicates identical moisture handling requirements during storage, transportation, and assembly processes. Standard moisture control procedures apply to both variants.

Q: Can these parts be used interchangeably in production?

A: Yes. Both parts are functionally equivalent and can be used interchangeably in manufacturing environments. No design changes, testing modifications, or qualification procedures are required when switching between R5F104FJAFP#10 and R5F104FJAFP#30.

Q: Are there any known issues or limitations with either part number?

A: Both parts maintain active product status with no known limitations or end-of-life notices. Standard Renesas Electronics support and documentation apply to both variants.