R5F100MFDFB#50 Equivalent & Substitute Parts

Part Overview

The R5F100MFDFB#50 is a 16-bit RL78/G13 microcontroller manufactured by Renesas Electronics Corporation, designed for embedded applications requiring moderate processing capability and integrated connectivity. This device features 96KB of FLASH program memory, 8KB of EEPROM, and 8KB of RAM, operating at 32MHz with a supply voltage range of 1.6V to 5.5V. The microcontroller integrates multiple communication interfaces including CSI, I2C, LINbus, and UART/USART, along with essential peripherals such as DMA, LVD, POR, PWM, and WDT. Currently in active production status, this component is ROHS3 compliant and suitable for industrial and automotive applications requiring reliable 16-bit processing with extensive I/O capabilities.

Substiute Parts

R5F100MFDFB#50

Renesas Electronics CorporationIn Stock: 1001R5F100MFDFB#50 Datasheet

Current PartRFQ

R5F100MFAFB#50

Renesas Electronics CorporationIn Stock: 2051R5F100MFAFB#50 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the R5F100MFDFB#50 is determined by strict equivalence across the following critical parameters:

• Manufacturer and Series: Both parts must be Renesas Electronics Corporation RL78/G13 microcontrollers
• Core Architecture: 16-bit RL78 processor
• Processing Speed: 32MHz operation
• Memory Configuration: 96KB FLASH program memory, 8KB EEPROM, 8KB RAM
• Voltage Supply Range: 1.6V ~ 5.5V
• I/O Count: 64 I/O pins
• Connectivity Interfaces: CSI, I2C, LINbus, UART/USART
• Peripheral Set: DMA, LVD, POR, PWM, WDT
• Package Type: 80-LQFP (12x12mm)
• Compliance: ROHS3 compliant, MSL 3 rating

The R5F100MFAFB#50 meets all these criteria and is classified as a parametric equivalent. The primary distinction between the main part and its substitute is the packaging format: the main part uses standard packaging while the substitute is supplied in Tape & Reel (TR) format, which does not affect electrical or functional characteristics.

Parameter Comparison

Engineering Selection Recommendations

Both the R5F100MFDFB#50 and R5F100MFAFB#50 are active production components from Renesas Electronics Corporation with identical electrical specifications and functional capabilities. Selection between these parts should be based on procurement and assembly requirements:

The R5F100MFDFB#50 is suitable for applications requiring standard packaging formats with lower volume requirements or when component-level inventory management is preferred.

The R5F100MFAFB#50 is appropriate for high-volume manufacturing environments where Tape & Reel packaging provides advantages in automated assembly processes and reduces handling costs.

Both parts maintain ROHS3 compliance and identical MSL 3 ratings, ensuring equivalent reliability and environmental performance across industrial and automotive applications. The choice between these substitutes does not impact circuit design, firmware compatibility, or functional performance.

Frequently Asked Questions (FAQ)

Q: Are the R5F100MFDFB#50 and R5F100MFAFB#50 electrically identical?

A: Yes. Both parts are parametric equivalents with identical core processor architecture, clock speed, memory configuration, I/O count, connectivity interfaces, and peripheral sets. All electrical characteristics, voltage ratings, and operating temperature ranges are identical.

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

A: The primary difference is packaging format. The R5F100MFDFB#50 uses standard packaging, while the R5F100MFAFB#50 is supplied in Tape & Reel (TR) format. This distinction affects procurement and assembly logistics but not electrical performance or circuit functionality.

Q: Can I substitute one part for the other on a PCB?

A: Yes. Both parts use the 80-LQFP (12x12mm) package with identical pin configurations, pinout, and electrical characteristics. Direct substitution on the PCB is functionally equivalent with no circuit modifications required.

Q: Are both parts suitable for automotive applications?

A: Both parts are ROHS3 compliant with MSL 3 ratings and operate across the -40°C to 85°C temperature range, making them suitable for industrial and automotive environments. Compliance certifications are identical between the two parts.

Q: Which part should I select for high-volume production?

A: The R5F100MFAFB#50 in Tape & Reel format is optimized for high-volume automated assembly processes, reducing component handling time and assembly costs. The R5F100MFDFB#50 is more suitable for lower-volume or prototype applications.

Q: Do these parts require different firmware or software?

A: No. Both parts use the identical RL78 core processor and peripheral configuration. Firmware, software, and development tools are fully compatible between the two parts without modification.