Renesas RL78/G14 R5F104FJDFP#30 Equivalent & Substitute Parts

Part Overview

The R5F104FJDFP#30 is a 16-bit RL78/G14 microcontroller manufactured by Renesas Electronics Corporation, featuring 256KB FLASH program memory, 24KB RAM, and 8KB EEPROM. This device operates at 32MHz with integrated connectivity options including CSI, I2C, LINbus, and UART/USART interfaces. The microcontroller is housed in a 44-LQFP (10x10) surface mount package and is actively supported by the manufacturer. Equivalent parts are identified based on matching core electrical specifications, memory configuration, and package format to ensure functional interchangeability in embedded system designs.

Key Parameters

Parameter	Value
Core Processor	RL78
Core Size	16-Bit
Speed	32MHz
Program Memory Size	256KB (256K x 8)
Program Memory Type	FLASH
RAM Size	24K x 8
EEPROM Size	8K x 8
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V
Number of I/O	31
Package / Case	44-LQFP (10x10)
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the R5F104FJDFP#30 are identified based on strict equivalence of the following critical parameters:

Core processor architecture (RL78)
Core size (16-Bit)
Operating frequency (32MHz)
Program memory capacity and type (256KB FLASH)
RAM configuration (24K x 8)
EEPROM capacity (8K x 8)
Supply voltage range (1.6V ~ 5.5V)
I/O pin count (31)
Package format (44-LQFP 10x10)
Mounting technology (Surface Mount)
Temperature operating range (-40°C ~ 85°C)
Regulatory compliance (ROHS3, REACH Unaffected)

The R5F104FJAFP#30 qualifies as a parametric equivalent based on identical electrical specifications and package configuration. The primary difference is packaging format (Tray vs. standard packaging), which does not affect functional or electrical compatibility.

Parameter Comparison

Parameter	R5F104FJDFP#30	R5F104FJAFP#30	Match
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	256KB (256K x 8)	256KB (256K x 8)	✓
Program Memory Type	FLASH	FLASH	✓
RAM Size	24K x 8	24K x 8	✓
EEPROM Size	8K x 8	8K x 8	✓
Voltage Supply (Vcc/Vdd)	1.6V ~ 5.5V	1.6V ~ 5.5V	✓
Number of I/O	31	31	✓
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; D/A 2x8b	A/D 10x8/10b; D/A 2x8b	✓
Oscillator Type	Internal	Internal	✓
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	✓
Package / Case	44-LQFP (10x10)	44-LQFP (10x10)	✓
Mounting Type	Surface Mount	Surface Mount	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
REACH Status	REACH Unaffected	REACH Unaffected	✓
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	✓
Supplier Device Package	44-LQFP (10x10)	44-LQFP (10x10)	✓

Engineering Selection Recommendations

Both the R5F104FJDFP#30 and R5F104FJAFP#30 are active products from Renesas Electronics Corporation with identical electrical and functional specifications. Selection between these parts is determined by supply chain availability and packaging requirements rather than technical performance criteria.

The R5F104FJAFP#30 is supplied in Tray packaging, while the R5F104FJDFP#30 uses standard packaging. Both devices meet ROHS3 compliance and REACH regulatory requirements. Moisture sensitivity level (MSL 3, 168 hours) is identical for both parts, requiring equivalent handling and storage protocols during assembly operations.

Frequently Asked Questions (FAQ)

Q: Are R5F104FJDFP#30 and R5F104FJAFP#30 functionally identical?

A: Yes. Both parts share identical core processor architecture, memory configuration, operating frequency, I/O count, and peripheral set. They are parametric equivalents suitable for direct substitution in circuit designs.

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

A: The primary difference is packaging format. The R5F104FJDFP#30 uses standard packaging, while the R5F104FJAFP#30 is supplied in Tray packaging. This distinction affects supply chain logistics and handling but does not impact electrical performance or functionality.

Q: Can I substitute R5F104FJAFP#30 for R5F104FJDFP#30 on a PCB?

A: Yes. Both parts use the 44-LQFP (10x10) surface mount package with identical pin configuration, footprint, and electrical characteristics. PCB layout and design files require no modification.

Q: Are there any compliance or regulatory differences?

A: No. Both parts are ROHS3 compliant and REACH unaffected. Moisture sensitivity level (MSL 3, 168 hours) is identical, requiring the same handling and storage procedures.

Q: What is the operating temperature range for these microcontrollers?

A: Both devices operate across -40°C to 85°C (TA), suitable for industrial and commercial temperature environments.

Q: What supply voltage range do these parts support?

A: Both the R5F104FJDFP#30 and R5F104FJAFP#30 operate across 1.6V to 5.5V, providing flexibility for various power supply configurations.

Q: Are these parts still in active production?

A: Yes. Both parts maintain active product status with Renesas Electronics Corporation, ensuring continued availability and manufacturer support.

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