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R5F51135ADFP#30 Equivalent & Substitute Parts
Part Overview
The R5F51135ADFP#30 is a 32-bit single-core RX microcontroller manufactured by Renesas Electronics Corporation, designed for embedded applications requiring moderate processing capability and integrated connectivity. This device features 128KB of FLASH program memory, 32KB of RAM, and 8KB of EEPROM, operating at 32MHz with a supply voltage range of 1.8V to 3.6V. The part is housed in a 100-LFQFP surface mount package.
The R5F51135ADFP#30 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems currently utilizing this microcontroller.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Renesas Electronics Corporation |
| Series | RX113 |
| Core Processor | RX |
| Core Size | 32-Bit Single-Core |
| Speed | 32MHz |
| Program Memory Size | 128KB (128K x 8) FLASH |
| RAM Size | 32K x 8 |
| EEPROM Size | 8K x 8 |
| Voltage Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
| Number of I/O | 80 |
| Package / Case | 100-LQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the R5F51135ADFP#30 is determined by strict equivalence across the following critical parameters:
- Manufacturer and Series: Renesas Electronics Corporation RX113 series
- Core Architecture: RX 32-bit single-core processor
- Operating Frequency: 32MHz
- Memory Configuration: 128KB FLASH, 32KB RAM, 8KB EEPROM
- Voltage Supply Range: 1.8V ~ 3.6V
- Package Type: 100-LQFP surface mount
- Operating Temperature Range: -40°C ~ 85°C
- Compliance Standards: ROHS3 Compliant
The R5F51135ADFP#3A qualifies as a direct substitute based on these parameters. Both parts share identical core specifications, memory architecture, and electrical characteristics. The primary distinction is product status: R5F51135ADFP#3A is active production, whereas R5F51135ADFP#30 is obsolete.
Parameter Comparison
| Parameter | R5F51135ADFP#30 | R5F51135ADFP#3A |
|---|---|---|
| Manufacturer | Renesas Electronics Corporation | Renesas Electronics Corporation |
| Series | RX113 | RX113 |
| Core Processor | RX | RX |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 32MHz | 32MHz |
| Program Memory Size | 128KB (128K x 8) FLASH | 128KB (128K x 8) FLASH |
| RAM Size | 32K x 8 | 32K x 8 |
| EEPROM Size | 8K x 8 | 8K x 8 |
| Voltage Supply (Vcc/Vdd) | 1.8V ~ 3.6V | 1.8V ~ 3.6V |
| Data Converters | A/D 17x12b; D/A 2x12b | A/D 17x12b; D/A 2x12b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 100-LQFP | 100-LQFP |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 3 (168 Hours) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The R5F51135ADFP#3A is the recommended substitute for the obsolete R5F51135ADFP#30. Both parts maintain identical electrical and functional specifications, ensuring direct compatibility in existing designs without circuit modification.
Selection of R5F51135ADFP#3A is supported by:
- Active production status, ensuring long-term supply availability
- ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements
- Identical core architecture, memory configuration, and operating parameters
- Same 100-LQFP package footprint and surface mount compatibility
- Equivalent moisture sensitivity level and environmental specifications
Frequently Asked Questions (FAQ)
Q: Can R5F51135ADFP#3A be used as a direct replacement for R5F51135ADFP#30?
A: Yes. Both parts are functionally and electrically equivalent. The R5F51135ADFP#3A shares identical core specifications, memory architecture, voltage supply range, operating frequency, and package configuration. No circuit redesign is required.
Q: What is the difference between R5F51135ADFP#30 and R5F51135ADFP#3A?
A: The primary difference is product status. R5F51135ADFP#30 is obsolete, while R5F51135ADFP#3A is in active production. The suffix designations (#30 and #3A) indicate different packaging or distribution configurations. All functional and electrical parameters remain identical.
Q: Are there any I/O or peripheral differences between these parts?
A: The R5F51135ADFP#3A provides 82 I/O pins compared to 80 on the R5F51135ADFP#30, and includes Capacitive Touch peripheral capability. These enhancements do not affect compatibility; designs utilizing the base 80 I/O configuration will function without modification.
Q: What packaging options are available?
A: R5F51135ADFP#30 is supplied in standard packaging. R5F51135ADFP#3A is supplied in Tray packaging. Both use the 100-LQFP (14x14) surface mount package. Packaging format does not affect electrical or functional compatibility.
Q: Are both parts compliant with current environmental and regulatory standards?
A: Yes. Both R5F51135ADFP#30 and R5F51135ADFP#3A are ROHS3 compliant and REACH unaffected. Both maintain MSL 3 (168 Hours) moisture sensitivity level specifications.
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