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R5F104FFAFP#X0 Equivalent & Substitute Parts
Part Overview
The R5F104FFAFP#X0 is a 16-bit RL78/G14 microcontroller manufactured by Renesas Electronics Corporation, featuring 96KB FLASH memory, 12KB RAM, and 8KB EEPROM. This device integrates 31 I/O pins, operates at 32MHz, and supports multiple communication protocols including CSI, I2C, LINbus, and UART/USART. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing design requirements and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| 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 |
| Number of I/O | 31 |
| Voltage Supply (Vcc/Vdd) | 1.6V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 44-LQFP (10x10) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the R5F104FFAFP#X0 is determined by strict equivalence across the following critical parameters:
- Core Architecture: RL78 16-bit processor at 32MHz
- Memory Configuration: 96KB FLASH, 12KB RAM, 8KB EEPROM
- I/O Count: 31 pins
- Package: 44-LQFP (10x10) surface mount
- Voltage Range: 1.6V ~ 5.5V supply compatibility
- Temperature Range: -40°C ~ 85°C operating specification
- Connectivity: CSI, I2C, LINbus, UART/USART support
- Compliance: ROHS3 compliance and equivalent certifications
The R5F104FFAFP#50 meets all these criteria and differs only in packaging format (Tape & Reel versus bulk packaging) and product status (Active versus Discontinued).
Parameter Comparison
| Parameter | R5F104FFAFP#X0 | R5F104FFAFP#50 |
|---|---|---|
| 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 | 96KB (96K x 8) | 96KB (96K x 8) |
| Program Memory Type | FLASH | FLASH |
| EEPROM Size | 8K x 8 | 8K x 8 |
| RAM Size | 12K x 8 | 12K x 8 |
| Number of I/O | 31 | 31 |
| Voltage Supply (Vcc/Vdd) | 1.6V ~ 5.5V | 1.6V ~ 5.5V |
| 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) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 44-LQFP (10x10) | 44-LQFP (10x10) |
| Supplier Device Package | 44-LQFP (10x10) | 44-LQFP (10x10) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 3 (168 Hours) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | 3A991A2 | 3A991A2 |
| HTSUS | 8542.31.0001 | 8542.31.0001 |
| Product Status | Discontinued at DiGi Electronics | Active |
| Packaging Format | Bulk | Tape & Reel (TR) |
Engineering Selection Recommendations
The R5F104FFAFP#50 is the direct functional equivalent of the R5F104FFAFP#X0. Both parts share identical electrical specifications, memory configuration, I/O architecture, and compliance certifications. The primary distinction is product status: the R5F104FFAFP#X0 is discontinued, while the R5F104FFAFP#50 maintains active status with current inventory availability.
Selection of the R5F104FFAFP#50 is appropriate for applications requiring the RL78/G14 microcontroller platform. The Tape & Reel packaging format of the substitute part is standard for automated assembly processes and does not affect functional performance or electrical characteristics. Both parts maintain ROHS3 compliance and equivalent regulatory certifications.
Frequently Asked Questions (FAQ)
Q: Are the R5F104FFAFP#X0 and R5F104FFAFP#50 pin-compatible?
A: Yes. Both parts use the 44-LQFP (10x10) package with identical pin assignments, voltage specifications, and I/O configurations. Direct PCB-level substitution is supported without design modification.
Q: What is the difference between the packaging formats?
A: The R5F104FFAFP#X0 is supplied in bulk packaging, while the R5F104FFAFP#50 is supplied in Tape & Reel (TR) format. Tape & Reel packaging is optimized for automated pick-and-place assembly and does not affect component functionality or electrical performance.
Q: Can the R5F104FFAFP#50 replace the R5F104FFAFP#X0 in existing designs?
A: Yes. The R5F104FFAFP#50 is functionally identical across all electrical, thermal, and mechanical parameters. No design changes are required for substitution.
Q: Are compliance certifications equivalent between these parts?
A: Yes. Both parts maintain identical ROHS3 compliance, REACH status, ECCN classification, and HTSUS codes. Regulatory and environmental certifications are equivalent.
Q: What is the inventory status of the substitute part?
A: The R5F104FFAFP#50 is currently active with 2033 pieces in stock, providing immediate availability for production requirements.
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