R5F104AFASP#V0 Equivalent & Substitute Parts

Part Overview

The R5F104AFASP#V0 is a 16-bit RL78/G14 microcontroller manufactured by Renesas Electronics Corporation, featuring 96KB FLASH memory, 12KB RAM, and 8KB EEPROM in a 30-LSSOP surface mount package. This device is classified as Obsolete, necessitating identification of active equivalent alternatives for new designs and production continuity. The part integrates essential peripherals including DMA, PWM, watchdog timer, and multiple communication interfaces (CSI, I2C, LINbus, UART/USART) suitable for embedded control applications.

Key Parameters

Parameter	Value
Manufacturer	Renesas Electronics Corporation
Series	RL78/G14
Core Processor	RL78
Core Size	16-Bit
Speed	32MHz
Program Memory Size	96KB (96K x 8)
Program Memory Type	FLASH
RAM Size	12K x 8
EEPROM Size	8K x 8
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V
Number of I/O	21
Mounting Type	Surface Mount
Package / Case	30-LSSOP (0.240", 6.10mm Width)
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the R5F104AFASP#V0 is determined by strict equivalence across the following critical parameters:

Processor Architecture: RL78 core with identical instruction set
Memory Configuration: 96KB FLASH, 12KB RAM, 8KB EEPROM
Performance: 32MHz clock speed
Peripheral Set: DMA, LVD, POR, PWM, WDT, and communication interfaces (CSI, I2C, LINbus, UART/USART)
I/O Count: 21 pins
Package: 30-LSSOP form factor
Electrical Specifications: 1.6V ~ 5.5V supply voltage range, -40°C ~ 85°C operating temperature
Compliance: ROHS3 Compliant, REACH Unaffected

The identified substitutes maintain identical electrical and functional parameters. Differences exist only in product status (Active vs. Obsolete) and packaging configuration (Tray vs. standard packaging), which do not affect electrical compatibility or functional operation.

Parameter Comparison

Parameter	R5F104AFASP#V0	R5F104AFASP#30	R5F104AFASP#10
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Series	RL78/G14	RL78/G14	RL78/G14
Core Processor	RL78	RL78	RL78
Core Size	16-Bit	16-Bit	16-Bit
Speed	32MHz	32MHz	32MHz
Program Memory Size	96KB (96K x 8)	96KB (96K x 8)	96KB (96K x 8)
Program Memory Type	FLASH	FLASH	FLASH
RAM Size	12K x 8	12K x 8	12K x 8
EEPROM Size	8K x 8	8K x 8	8K x 8
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V	1.6V ~ 5.5V	1.6V ~ 5.5V
Number of I/O	21	21	21
Connectivity	CSI, I2C, LINbus, UART/USART	CSI, I2C, LINbus, UART/USART	CSI, I2C, LINbus, UART/USART
Peripherals	DMA, LVD, POR, PWM, WDT	DMA, LVD, POR, PWM, WDT	DMA, LVD, POR, PWM, WDT
Data Converters	A/D 8x8/10b; D/A 1x8b	A/D 8x8/10b; D/A 1x8b	A/D 8x8/10b; D/A 1x8b
Oscillator Type	Internal	Internal	Internal
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	30-LSSOP (0.240", 6.10mm Width)	30-LSSOP (0.240", 6.10mm Width)	30-LSSOP (0.240", 6.10mm Width)
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	3A991A2	3A991A2	3A991A2
HTSUS	8542.31.0001	8542.31.0001	8542.31.0001

Engineering Selection Recommendations

Both R5F104AFASP#30 and R5F104AFASP#10 are direct functional equivalents to the obsolete R5F104AFASP#V0. Selection between active alternatives is based on the following criteria:

Product Status: R5F104AFASP#30 and R5F104AFASP#10 are both classified as Active, ensuring long-term availability and manufacturing support compared to the Obsolete status of the original part.

Regulatory Compliance: All three parts maintain ROHS3 Compliance and REACH Unaffected status, satisfying environmental and regulatory requirements for industrial and commercial applications.

Moisture Sensitivity: The original part specifies MSL 1 (Unlimited), while both substitutes specify MSL 3 (168 Hours). This difference reflects standard moisture handling protocols for active production parts and does not affect functional compatibility in typical operating environments.

Packaging Configuration: R5F104AFASP#30 and R5F104AFASP#10 are supplied in Tray packaging, standard for active production inventory. The original part's packaging configuration is not specified, but the electrical and functional characteristics remain identical.

For new designs and production continuity, either R5F104AFASP#30 or R5F104AFASP#10 provides equivalent performance and reliability with the advantage of active product status and assured supply chain availability.

Frequently Asked Questions (FAQ)

Q: Are R5F104AFASP#30 and R5F104AFASP#10 electrically identical to R5F104AFASP#V0?

A: Yes. All three parts share identical core processor architecture (RL78), memory configuration (96KB FLASH, 12KB RAM, 8KB EEPROM), clock speed (32MHz), I/O count (21), peripheral set, voltage supply range (1.6V ~ 5.5V), and operating temperature range (-40°C ~ 85°C). Electrical and functional compatibility is complete.

Q: What is the significance of the part number suffix (#V0, #30, #10)?

A: The suffix indicates packaging and moisture sensitivity level designation. #V0 represents the obsolete variant, while #30 and #10 represent active production variants with standard Tray packaging. The suffix does not affect electrical performance or pin configuration.

Q: Can I use R5F104AFASP#30 or R5F104AFASP#10 as a direct replacement in existing designs?

A: Yes. Both parts are pin-compatible and functionally equivalent. No circuit modifications or firmware changes are required. The 30-LSSOP package footprint is identical across all three variants.

Q: Why is the original R5F104AFASP#V0 classified as Obsolete?

A: Obsolete status indicates the part is no longer in active production. Renesas Electronics Corporation has transitioned to active variants (R5F104AFASP#30 and R5F104AFASP#10) for continued support and supply chain reliability.

Q: Are there differences in moisture sensitivity between the variants?

A: The original part specifies MSL 1 (Unlimited), while active variants specify MSL 3 (168 Hours). This reflects standard moisture handling for active production parts. Both levels are suitable for typical industrial and commercial applications with standard storage and handling practices.

Q: Do all variants maintain the same compliance certifications?

A: Yes. All three parts are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory standards for electronic components.

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