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R5F104MJDFB#30 Equivalent & Substitute Parts
Part Overview
The R5F104MJDFB#30 is a 16-bit microcontroller from Renesas Electronics Corporation belonging to the RL78/G14 series. This embedded IC features 256KB FLASH program memory, 24KB RAM, and 8KB EEPROM, operating at 32MHz with a 1.6V to 5.5V supply voltage range. The device integrates multiple communication interfaces including CSI, I2C, LINbus, and UART/USART, along with peripheral functions such as DMA, LVD, POR, PWM, and WDT. The R5F104MJDFB#30 is packaged in an 80-LFQFP (12x12mm) surface mount configuration with 64 I/O pins.
The R5F104MJDFB#30 is currently discontinued at DiGi Electronics. Equivalent substitute parts are available from the same RL78/G14 product line, offering identical electrical specifications and functional capabilities with alternative packaging configurations or product status classifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Renesas Electronics Corporation |
| Series | RL78/G14 |
| Core Processor | RL78 |
| Core Size | 16-Bit |
| Speed | 32MHz |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 8K x 8 |
| RAM Size | 24K x 8 |
| Voltage Supply (Vcc/Vdd) | 1.6V ~ 5.5V |
| Number of I/O | 64 |
| Connectivity | CSI, I2C, LINbus, UART/USART |
| Peripherals | DMA, LVD, POR, PWM, WDT |
| Data Converters | A/D 17x8/10b; D/A 2x8b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 80-LQFP |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution of the R5F104MJDFB#30 is determined by electrical and functional equivalence within the RL78/G14 microcontroller family. All substitute parts maintain identical core specifications including 16-bit processor architecture, 32MHz clock speed, 256KB FLASH memory, 24KB RAM, 8KB EEPROM, 64 I/O pins, and identical peripheral feature sets (DMA, LVD, POR, PWM, WDT).
The substitute parts differ in two primary aspects:
Packaging Configuration: The main part R5F104MJDFB#30 uses 80-LFQFP (12x12mm) packaging. Substitute parts R5F104MJAFA#10 and R5F104MJAFA#30 use 80-LQFP (14x14mm) packaging, while R5F104MJAFB#10, R5F104MJAFB#30, and R5F104MJDFB#10 maintain 80-LFQFP (12x12mm) packaging.
Product Status and Availability: The main part is discontinued at DiGi Electronics. All substitute parts maintain active product status with current inventory availability. The suffix designations (#10 and #30) indicate packaging quantity variations (tape reel quantities) and do not affect electrical or functional characteristics.
All substitute parts are ROHS3 compliant, REACH unaffected, and maintain identical voltage supply ranges (1.6V ~ 5.5V), operating temperature ranges (-40°C ~ 85°C), and connectivity specifications (CSI, I2C, LINbus, UART/USART).
Parameter Comparison
| Parameter | R5F104MJDFB#30 | R5F104MJAFA#10 | R5F104MJAFA#30 | R5F104MJAFB#10 | R5F104MJAFB#30 | R5F104MJDFB#10 |
|---|---|---|---|---|---|---|
| Manufacturer | Renesas | Renesas | Renesas | Renesas | Renesas | Renesas |
| Series | RL78/G14 | RL78/G14 | RL78/G14 | RL78/G14 | RL78/G14 | RL78/G14 |
| Core Processor | RL78 | RL78 | RL78 | RL78 | RL78 | RL78 |
| Core Size | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit |
| Speed | 32MHz | 32MHz | 32MHz | 32MHz | 32MHz | 32MHz |
| Program Memory Size | 256KB | 256KB | 256KB | 256KB | 256KB | 256KB |
| Program Memory Type | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| EEPROM Size | 8K x 8 | 8K x 8 | 8K x 8 | 8K x 8 | 8K x 8 | 8K x 8 |
| RAM Size | 24K x 8 | 24K x 8 | 24K x 8 | 24K x 8 | 24K x 8 | 24K x 8 |
| Voltage Supply | 1.6V ~ 5.5V | 1.6V ~ 5.5V | 1.6V ~ 5.5V | 1.6V ~ 5.5V | 1.6V ~ 5.5V | 1.6V ~ 5.5V |
| Number of I/O | 64 | 64 | 64 | 64 | 64 | 64 |
| Connectivity | CSI, I2C, LINbus, UART/USART | CSI, I2C, LINbus, UART/USART | CSI, I2C, LINbus, UART/USART | 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 | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT |
| Data Converters | A/D 17x8/10b; D/A 2x8b | A/D 17x8/10b; D/A 2x8b | A/D 17x8/10b; D/A 2x8b | A/D 17x8/10b; D/A 2x8b | A/D 17x8/10b; D/A 2x8b | A/D 17x8/10b; D/A 2x8b |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | 80-LFQFP (12x12) | 80-LQFP (14x14) | 80-LQFP (14x14) | 80-LFQFP (12x12) | 80-LFQFP (12x12) | 80-LFQFP (12x12) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) | 3 (168 Hours) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| Product Status | Discontinued | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
For PCB Layout Compatibility (Same Footprint):
Select R5F104MJAFB#10, R5F104MJAFB#30, or R5F104MJDFB#10 when the original design uses 80-LFQFP (12x12mm) packaging. These parts maintain identical pin pitch and footprint dimensions, requiring no PCB modifications. All three options are ROHS3 compliant and REACH unaffected with active product status and current inventory availability.
For Alternative Footprint Designs:
Select R5F104MJAFA#10 or R5F104MJAFA#30 when PCB layout accommodates 80-LQFP (14x14mm) packaging. These parts provide identical electrical and functional specifications with a larger package footprint. Both maintain active product status, ROHS3 compliance, and REACH unaffected status.
For Highest Inventory Availability:
R5F104MJAFA#30 provides the largest current inventory (2593 units), followed by R5F104MJAFB#30 (1227 units) and R5F104MJDFB#10 (949 units). All substitute parts maintain ROHS3 compliance and identical regulatory certifications to the original R5F104MJDFB#30.
Compliance and Certification:
All substitute parts maintain identical compliance profiles: ROHS3 compliant, REACH unaffected, MSL 3 (168 Hours), and identical ECCN and HTSUS classifications. No additional qualification or testing is required based on regulatory status.
Frequently Asked Questions (FAQ)
Q: Can R5F104MJAFA#10 or R5F104MJAFA#30 be used as direct replacements for R5F104MJDFB#30?
A: R5F104MJAFA#10 and R5F104MJAFA#30 are electrically and functionally equivalent to R5F104MJDFB#30. However, they use 80-LQFP (14x14mm) packaging instead of 80-LFQFP (12x12mm). Direct PCB substitution requires footprint modification. If your PCB design accommodates 80-LQFP packaging, these parts are fully compatible.
Q: What is the difference between R5F104MJAFB#10 and R5F104MJAFB#30?
A: The suffix designations (#10 and #30) indicate packaging quantity variations in tape reel configurations. Both parts are electrically identical with the same 80-LFQFP (12x12mm) footprint. The selection between #10 and #30 depends on procurement quantity requirements, not technical specifications.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts (R5F104MJAFA#10, R5F104MJAFA#30, R5F104MJAFB#10, R5F104MJAFB#30, and R5F104MJDFB#10) are ROHS3 compliant and REACH unaffected, matching the compliance status of the original R5F104MJDFB#30.
Q: Which substitute part should I select if my PCB footprint is fixed?
A: If your PCB uses 80-LFQFP (12x12mm) footprint, select R5F104MJAFB#10, R5F104MJAFB#30, or R5F104MJDFB#10. These maintain identical pin pitch and package dimensions. If your PCB accommodates 80-LQFP (14x14mm), select R5F104MJAFA#10 or R5F104MJAFA#30.
Q: Do all substitute parts have the same operating temperature range?
A: Yes. All substitute parts operate across the identical temperature range of -40°C to 85°C (TA), matching the original R5F104MJDFB#30 specification.
Q: What is the moisture sensitivity level for substitute parts?
A: All substitute parts maintain MSL 3 (168 Hours) moisture sensitivity level, identical to the original part. Storage and handling requirements remain unchanged.
Q: Are there any differences in peripheral features between the main part and substitutes?
A: No. All substitute parts include identical peripheral features: DMA, LVD, POR, PWM, and WDT. Connectivity options (CSI, I2C, LINbus, UART/USART) and data converter specifications (A/D 17x8/10b; D/A 2x8b) are identical across all parts.
Q: Can I use R5F104MJDFB#10 as a substitute for R5F104MJDFB#30?
A: Yes. R5F104MJDFB#10 is electrically and functionally identical to R5F104MJDFB#30, with the same 80-LFQFP (12x12mm) footprint. The difference is packaging quantity designation. R5F104MJDFB#10 has active product status with current inventory availability.
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