R5F101GFDFB#X0 Equivalent & Substitute Parts

Part Overview

The R5F101GFDFB#X0 is a 16-bit RL78/G13 microcontroller manufactured by Renesas Electronics Corporation, featuring 96KB FLASH memory, 8KB RAM, and 34 I/O pins in a 48-LFQFP package. This device integrates multiple communication interfaces (CSI, I2C, LINbus, UART/USART) and peripheral functions (DMA, LVD, POR, PWM, WDT) suitable for embedded control applications.

The R5F101GFDFB#X0 carries an Obsolete product status. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for systems utilizing this microcontroller.

Substiute Parts

R5F101GFDFB#X0

Renesas Electronics CorporationIn Stock: 963R5F101GFDFB#X0 Datasheet

Current PartRFQ

R5F101GFDFB#50

Renesas Electronics CorporationIn Stock: 987R5F101GFDFB#50 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the R5F101GFDFB#X0 is determined by strict equivalence across the following critical parameters:

• Manufacturer & Series: Must be Renesas Electronics Corporation RL78/G13 series
• Core Architecture: RL78 16-bit processor at 32MHz
• Memory Configuration: 96KB FLASH, 8KB RAM
• I/O Count: 34 pins
• Package: 48-LQFP form factor
• Electrical Specifications: 1.6V ~ 5.5V supply voltage range
• Connectivity & Peripherals: CSI, I2C, LINbus, UART/USART; DMA, LVD, POR, PWM, WDT
• Environmental Compliance: ROHS3 Compliant, MSL 3

The substitute part R5F101GFDFB#50 meets all these criteria and qualifies as a direct equivalent.

Parameter Comparison

Engineering Selection Recommendations

The R5F101GFDFB#50 is the direct substitute for the R5F101GFDFB#X0. Both parts are identical in electrical, functional, and mechanical specifications. The primary distinction is product lifecycle status: the main part is Obsolete, while the substitute is Active.

Selection of the R5F101GFDFB#50 is supported by:

• Full parameter equivalence across all critical specifications
• Identical package and pinout (48-LQFP)
• Matching compliance certifications (ROHS3, MSL 3)
• Active product status ensuring continued availability and supply chain support
• Same manufacturer (Renesas Electronics Corporation) and series (RL78/G13)

Frequently Asked Questions (FAQ)

Q: Are R5F101GFDFB#X0 and R5F101GFDFB#50 pin-compatible?

A: Yes. Both devices use the 48-LQFP package with identical pinout, I/O configuration (34 pins), and electrical characteristics. Direct PCB substitution is possible without layout modifications.

Q: What is the difference between the #X0 and #50 suffixes?

A: The suffix denotes packaging or distribution variant. Both parts are functionally and electrically equivalent RL78/G13 microcontrollers with identical core specifications, memory, and peripherals.

Q: Can I use R5F101GFDFB#50 in designs originally specified for R5F101GFDFB#X0?

A: Yes. The substitute part meets all electrical, thermal, and mechanical requirements of the original specification. No design changes are required.

Q: Why is the main part marked Obsolete?

A: Product lifecycle management by Renesas Electronics Corporation has transitioned the R5F101GFDFB#X0 to Obsolete status. The R5F101GFDFB#50 remains Active and is the recommended source for new procurement.

Q: Are there any compliance or certification differences?

A: No. Both parts carry identical RoHS3 compliance and MSL 3 ratings. Environmental and regulatory certifications are equivalent.

Q: What is the operating temperature range?

A: Both parts operate across -40°C to 85°C (TA), suitable for industrial and automotive embedded applications.