R5F104GDGFB#V0 Equivalent & Substitute Parts

Part Overview

The R5F104GDGFB#V0 is a 16-bit RL78/G14 microcontroller manufactured by Renesas Electronics Corporation, featuring 48KB FLASH memory, 5.5KB RAM, and 4KB EEPROM in a 48-LFQFP surface mount package. This device operates at 32MHz with a supply voltage range of 1.6V to 5.5V and includes integrated connectivity options (CSI, I2C, LINbus, UART/USART) and peripherals (DMA, LVD, POR, PWM, WDT).

The R5F104GDGFB#V0 is classified as obsolete. Identifying equivalent substitute parts is necessary for ongoing system support, design updates, and procurement continuity when original inventory becomes unavailable.

Key Parameters

Parameter	R5F104GDGFB#V0
Manufacturer	Renesas Electronics Corporation
Series	RL78/G14
Core Processor	RL78
Core Size	16-Bit
Speed	32MHz
Program Memory Size	48KB (48K x 8)
Program Memory Type	FLASH
EEPROM Size	4K x 8
RAM Size	5.5K x 8
Voltage - Supply (Vcc/Vdd)	1.6V ~ 5.5V
Number of I/O	34
Connectivity	CSI, I2C, LINbus, UART/USART
Peripherals	DMA, LVD, POR, PWM, WDT
Data Converters	A/D 10x8/10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 105°C (TA)
Mounting Type	Surface Mount
Package / Case	48-LQFP
Supplier Device Package	48-LFQFP (7x7)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the R5F104GDGFB#V0 is determined by the following critical parameters:

Manufacturer & Series: Must be Renesas Electronics Corporation RL78/G14 series to ensure architectural compatibility and software portability
Core Processor & Size: RL78 16-bit core is mandatory for instruction set compatibility
Operating Speed: 32MHz operation required for timing-critical applications
Package & Pinout: 48-LFQFP (7x7) form factor ensures mechanical and electrical compatibility with existing PCB layouts
Connectivity & Peripherals: CSI, I2C, LINbus, UART/USART, DMA, LVD, POR, PWM, WDT must be present for functional equivalence
Operating Temperature Range: -40°C ~ 105°C (TA) required for industrial and extended temperature applications
Compliance: ROHS3 compliance and MSL 3 rating must be maintained

The R5F104GDGFB#30 qualifies as a direct substitute based on these parameters. While it features increased FLASH memory (64KB vs. 48KB) and expanded I/O count (58 vs. 34), all critical architectural, connectivity, and compliance parameters remain aligned with the original part.

Parameter Comparison

Parameter	R5F104GDGFB#V0	R5F104GDGFB#30
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation
Series	RL78/G14	RL78/G14
Core Processor	RL78	RL78
Core Size	16-Bit	16-Bit
Speed	32MHz	32MHz
Program Memory Size	48KB (48K x 8)	64KB (64K x 8)
Program Memory Type	FLASH	FLASH
EEPROM Size	4K x 8	4K x 8
RAM Size	5.5K x 8	5.5K x 8
Voltage - Supply (Vcc/Vdd)	1.6V ~ 5.5V	2.4V ~ 5.5V
Number of I/O	34	58
Connectivity	CSI, I2C, LINbus, UART/USART	CSI, I2C, LINbus, UART/USART
Peripherals	DMA, LVD, POR, PWM, WDT	DMA, LVD, POR, PWM, WDT
Data Converters	A/D 10x8/10b	A/D 10x8/10b
Oscillator Type	Internal	Internal
Operating Temperature	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)
Mounting Type	Surface Mount	Surface Mount
Package / Case	48-LQFP	48-LQFP
Supplier Device Package	48-LFQFP (7x7)	48-LFQFP (7x7)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Active

Engineering Selection Recommendations

The R5F104GDGFB#30 is the qualified substitute for the obsolete R5F104GDGFB#V0. Both parts maintain identical architectural compatibility, package form factor, and compliance certifications (ROHS3, MSL 3).

The R5F104GDGFB#30 is currently in active production status, ensuring long-term availability and supply chain continuity. The increased FLASH memory capacity (64KB vs. 48KB) and expanded I/O count (58 vs. 34) provide design flexibility without introducing compatibility constraints. The minimum supply voltage specification differs (2.4V vs. 1.6V); applications requiring operation below 2.4V must retain the original R5F104GDGFB#V0 or identify alternative solutions.

Frequently Asked Questions (FAQ)

Q: Can the R5F104GDGFB#30 be used as a direct replacement for the R5F104GDGFB#V0?

A: Yes. Both parts share identical core architecture (RL78 16-bit processor), operating speed (32MHz), package form factor (48-LFQFP 7x7), connectivity options, and peripheral sets. The R5F104GDGFB#30 is pin-compatible and software-compatible with the original part.

Q: What are the key differences between these parts?

A: The R5F104GDGFB#30 features 64KB FLASH memory compared to 48KB in the original, and provides 58 I/O pins versus 34. The minimum supply voltage specification is 2.4V (vs. 1.6V). The R5F104GDGFB#30 is in active production while the original is obsolete.

Q: Are there supply voltage compatibility concerns?

A: Applications operating below 2.4V cannot use the R5F104GDGFB#30. If your design requires operation at voltages between 1.6V and 2.4V, the original R5F104GDGFB#V0 specification must be maintained or alternative solutions identified.

Q: Do both parts require identical PCB layout and design considerations?

A: Yes. Both parts use the 48-LFQFP (7x7) package with identical pinout. Existing PCB designs require no modification for mechanical or electrical compatibility. The expanded I/O availability on the R5F104GDGFB#30 does not affect designs utilizing only the 34 pins present on the original part.

Q: Are compliance certifications identical?

A: Yes. Both parts are ROHS3 compliant with MSL 3 (168 Hours) moisture sensitivity rating. Compliance documentation and handling requirements remain unchanged.

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