R5F101MJAFB#V0 Equivalent & Substitute Parts

Part Overview

The R5F101MJAFB#V0 is a 16-bit RL78/G13 microcontroller manufactured by Renesas Electronics Corporation, featuring 256KB FLASH memory, 20KB RAM, and 64 I/O pins in an 80-LFQFP package. This device operates at 32MHz with an internal oscillator and supports multiple connectivity protocols including CSI, I2C, LINbus, and UART/USART. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer	Renesas Electronics Corporation
Series	RL78/G13
Core Processor	RL78
Core Size	16-Bit
Speed	32MHz
Program Memory Size	256KB (256K x 8)
Program Memory Type	FLASH
RAM Size	20K x 8
Number of I/O	64
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V
Data Converters	A/D 17x8/10b
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	80-LQFP
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the R5F101MJAFB#V0 is determined by strict equivalence across the following critical parameters:

Processor Architecture: RL78 core with 16-bit instruction set
Memory Configuration: 256KB FLASH and 20KB RAM capacity
Clock Speed: 32MHz operation
I/O Count: 64 pins minimum
Package Type: 80-LFQFP (12x12mm) surface mount
Voltage Range: 1.6V ~ 5.5V supply compatibility
Connectivity Protocols: CSI, I2C, LINbus, UART/USART support
Peripheral Set: DMA, LVD, POR, PWM, WDT functionality
Compliance: ROHS3 and REACH requirements

The R5F101MJAFB#30 qualifies as a direct substitute based on identical electrical specifications and package configuration. The primary distinction is packaging format and product lifecycle status.

Parameter Comparison

Parameter	R5F101MJAFB#V0	R5F101MJAFB#30	Match
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	✓
Series	RL78/G13	RL78/G13	✓
Core Processor	RL78	RL78	✓
Core Size	16-Bit	16-Bit	✓
Speed	32MHz	32MHz	✓
Program Memory Size	256KB (256K x 8)	256KB (256K x 8)	✓
Program Memory Type	FLASH	FLASH	✓
RAM Size	20K x 8	20K x 8	✓
Number of I/O	64	64	✓
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V	1.6V ~ 5.5V	✓
Data Converters	A/D 17x8/10b	A/D 17x8/10b	✓
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	✓
Package / Case	80-LQFP	80-LQFP	✓
Mounting Type	Surface Mount	Surface Mount	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
REACH Status	REACH Unaffected	REACH Unaffected	✓
Packaging Format	Tube	Tray	Different
Product Status	Obsolete	Active	Different
Moisture Sensitivity Level (MSL)	1 (Unlimited)	3 (168 Hours)	Different

Engineering Selection Recommendations

The R5F101MJAFB#30 is the direct functional equivalent for the obsolete R5F101MJAFB#V0. Both devices share identical electrical characteristics, memory configuration, and package specifications. Selection between these parts should be based on the following factors:

Product Lifecycle: The R5F101MJAFB#30 maintains active product status with Renesas Electronics Corporation, ensuring continued availability and technical support. The R5F101MJAFB#V0 is classified as obsolete and should be replaced in new designs.

Compliance Certifications: Both parts maintain ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic components.

Packaging Considerations: The R5F101MJAFB#30 is supplied in tray packaging, while the R5F101MJAFB#V0 uses tube packaging. This distinction affects handling, storage, and assembly processes but does not impact electrical performance or functionality.

Moisture Sensitivity: The R5F101MJAFB#V0 carries MSL 1 (unlimited shelf life), while the R5F101MJAFB#30 carries MSL 3 (168-hour floor life). Storage and handling procedures must account for the moisture sensitivity classification of the selected part.

Frequently Asked Questions (FAQ)

Q: Are R5F101MJAFB#V0 and R5F101MJAFB#30 pin-compatible?

A: Yes. Both devices use the 80-LFQFP (12x12mm) package with identical pin assignments, voltage specifications, and signal definitions. Direct PCB substitution is possible without layout modifications.

Q: What is the difference between tube and tray packaging?

A: Tube packaging (R5F101MJAFB#V0) and tray packaging (R5F101MJAFB#30) are different delivery formats that do not affect component functionality. Tray packaging is standard for active production parts and facilitates automated assembly processes. Tube packaging is typically associated with legacy or lower-volume products.

Q: Why does the R5F101MJAFB#30 have a higher Moisture Sensitivity Level?

A: MSL classification reflects storage and handling requirements. MSL 1 (R5F101MJAFB#V0) allows unlimited shelf life without moisture control. MSL 3 (R5F101MJAFB#30) requires storage below 30% relative humidity and limits floor life to 168 hours after package opening. This difference does not affect electrical performance but requires appropriate storage protocols.

Q: Can I use R5F101MJAFB#30 as a direct replacement in existing designs using R5F101MJAFB#V0?

A: Yes. The R5F101MJAFB#30 is electrically and mechanically equivalent. Firmware and software compatibility is maintained. Ensure compliance with the MSL 3 moisture sensitivity requirements during storage and assembly.

Q: What connectivity protocols are supported by these microcontrollers?

A: Both devices support CSI, I2C, LINbus, and UART/USART protocols, enabling integration with standard industrial and automotive communication networks.

Q: Are there any differences in peripheral functionality?

A: No. Both parts include identical peripheral sets: DMA, LVD, POR, PWM, and WDT. Functional capabilities and register definitions are equivalent.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message