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R5F571MLHDFB#V0 Equivalent & Substitute Parts
Part Overview
The R5F571MLHDFB#V0 is a 32-bit single-core RXv2 microcontroller from Renesas Electronics Corporation, operating at 240MHz with 4MB FLASH memory and 512KB RAM. This device is classified as Obsolete, which necessitates identification of active equivalent parts for ongoing design support and procurement continuity. The part is housed in a 144-LFQFP (20x20) surface mount package and supports multiple connectivity protocols including CANbus, Ethernet, USB OTG, and SPI interfaces.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Renesas Electronics Corporation |
| Series | RX71M |
| Core Processor | RXv2 |
| Core Size | 32-Bit Single-Core |
| Speed | 240MHz |
| Program Memory Size | 4MB (4M x 8) |
| Program Memory Type | FLASH |
| RAM Size | 512K x 8 |
| EEPROM Size | 64K x 8 |
| Voltage Supply (Vcc/Vdd) | 2.7V ~ 3.6V |
| Number of I/O | 111 |
| Package / Case | 144-LQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution of the R5F571MLHDFB#V0 is determined by strict equivalence across the following electrical and mechanical parameters:
- Processor Architecture: RXv2 core with identical instruction set
- Memory Configuration: 4MB FLASH, 512KB RAM, 64KB EEPROM
- Clock Speed: 240MHz operation
- Package Format: 144-LFQFP (20x20) surface mount
- Voltage Range: 2.7V ~ 3.6V supply compatibility
- I/O Count: 111 I/O pins
- Connectivity Interfaces: CANbus, EBI/EMI, Ethernet, I2C, MMC/SD, QSPI, SCI, SPI, SSI, USB OTG
- Peripheral Set: DMA, LVD, POR, PWM, WDT
- Data Converters: A/D 8x12b, 21x12b; D/A 2x12b
- Compliance: ROHS3, REACH Unaffected
The R5F571MLHDFB#30 meets all these criteria and serves as a direct functional equivalent.
Parameter Comparison
| Parameter | R5F571MLHDFB#V0 | R5F571MLHDFB#30 |
|---|---|---|
| Manufacturer | Renesas Electronics Corporation | Renesas Electronics Corporation |
| Series | RX71M | RX71M |
| Core Processor | RXv2 | RXv2 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 240MHz | 240MHz |
| Program Memory Size | 4MB (4M x 8) | 4MB (4M x 8) |
| Program Memory Type | FLASH | FLASH |
| RAM Size | 512K x 8 | 512K x 8 |
| EEPROM Size | 64K x 8 | 64K x 8 |
| Voltage Supply (Vcc/Vdd) | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Number of I/O | 111 | 111 |
| Connectivity | CANbus, EBI/EMI, Ethernet, I2C, MMC/SD, QSPI, SCI, SPI, SSI, USB OTG | CANbus, EBI/EMI, Ethernet, I2C, MMC/SD, QSPI, SCI, SPI, SSI, USB OTG |
| Peripherals | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT |
| Data Converters | A/D 8x12b, 21x12b; D/A 2x12b | A/D 8x12b, 21x12b; D/A 2x12b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 144-LQFP | 144-LQFP |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 3 (168 Hours) | 3 (168 Hours) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The R5F571MLHDFB#30 is the appropriate substitute for the obsolete R5F571MLHDFB#V0. Both parts are manufactured by Renesas Electronics Corporation and share identical electrical specifications, memory configurations, and package formats. The primary distinction is product status: the R5F571MLHDFB#V0 is classified as Obsolete, while the R5F571MLHDFB#30 maintains Active status, ensuring continued availability and manufacturing support.
Both parts maintain ROHS3 compliance and REACH Unaffected status, satisfying regulatory requirements for industrial and commercial applications. The identical MSL rating of 3 (168 Hours) applies to both variants, requiring equivalent moisture control during storage and handling.
Selection of the R5F571MLHDFB#30 provides design continuity with no modifications to firmware, PCB layout, or system integration required.
Frequently Asked Questions (FAQ)
Q: Are the R5F571MLHDFB#V0 and R5F571MLHDFB#30 pin-compatible?
A: Yes. Both parts use the 144-LFQFP (20x20) package with 111 I/O pins in identical pin configurations. PCB layouts and footprints are directly interchangeable.
Q: What is the difference between these two part numbers?
A: The R5F571MLHDFB#V0 is Obsolete, while the R5F571MLHDFB#30 is Active. All electrical, memory, and functional specifications are identical. The suffix difference reflects manufacturing lot or distribution channel designation.
Q: Can I use the R5F571MLHDFB#30 as a direct replacement in existing designs?
A: Yes. No design modifications are required. The substitute part maintains identical voltage supply ranges (2.7V ~ 3.6V), operating temperature range (-40°C ~ 85°C), and all peripheral interfaces.
Q: Are there any compliance or certification differences?
A: No. Both parts carry ROHS3 compliance and REACH Unaffected status. MSL ratings are identical at Level 3 (168 Hours).
Q: What is the inventory status of the substitute part?
A: The R5F571MLHDFB#30 has 797 pieces in stock as new original inventory.
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