Equivalent & Substitute Parts for R7F100GML2DFB#BA0

Part Overview

The R7F100GML2DFB#BA0 is a 16-bit microcontroller from Renesas Electronics Corporation's RL78/G23 series, designed for embedded applications requiring integrated flash memory and comprehensive peripheral support. This device features 512KB of flash program memory, 48KB of RAM, and 8KB of EEPROM, operating across a wide supply voltage range of 1.6V to 5.5V. The microcontroller integrates multiple communication interfaces including CSI, I2C, LINbus, SPI, and UART/USART, along with specialized peripherals such as capacitive touch sensing, low voltage detection, power-on reset, PWM, and watchdog timer functionality. With an active product status and ROHS3 compliance, substitute parts are identified to provide design flexibility for component sourcing, inventory management, and supply chain optimization while maintaining full electrical and mechanical compatibility.

Substiute Parts

R7F100GML2DFB#BA0

Renesas Electronics CorporationIn Stock: 784R7F100GML2DFB#BA0 Datasheet

Current PartRFQ

R7F100GML2DFA#AA0

Renesas Electronics CorporationIn Stock: 1288R7F100GML2DFA#AA0 Datasheet

Parametric EquivalentRFQ

R7F100GML2DFB#AA0

Renesas Electronics CorporationIn Stock: 1407R7F100GML2DFB#AA0 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the R7F100GML2DFB#BA0 are identified based on strict parametric equivalence within the RL78/G23 microcontroller family. The substitution logic is determined by the following critical parameters that must remain identical across all equivalent devices:

Core Electrical Parameters (Must Match):

• Core Processor: RL78
• Core Size: 16-Bit
• Speed: 32MHz
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• EEPROM Size: 8K x 8
• RAM Size: 48K x 8
• Voltage Supply Range: 1.6V ~ 5.5V
• Number of I/O: 70
• Data Converters: A/D 17x8/10b/12b; D/A 2x8b
• Connectivity: CSI, I2C, LINbus, SPI, UART/USART
• Peripherals: Capacitive Touch, LVD, POR, PWM, WDT
• Operating Temperature: -40°C ~ 85°C (TA)

Mechanical Parameters (Allowed Variation):

• Package / Case: 80-LQFP (physical footprint compatibility maintained)
• Supplier Device Package: 80-LFQFP (12x12) or 80-LQFP (14x14) (pin count and pitch identical; body dimensions may vary)

Compliance Parameters (Must Match):

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 3 (168 Hours)
• Mounting Type: Surface Mount

The identified substitute parts R7F100GML2DFB#AA0 and R7F100GML2DFA#AA0 maintain complete electrical equivalence with the main part. The only permitted variation is in the physical package body dimensions (12x12mm versus 14x14mm), which does not affect electrical functionality or pin compatibility on standard PCB layouts designed for 80-LQFP packages.

Parameter Comparison

Engineering Selection Recommendations

All three microcontroller variants—R7F100GML2DFB#BA0, R7F100GML2DFB#AA0, and R7F100GML2DFA#AA0—maintain active product status with Renesas Electronics Corporation, ensuring long-term availability and manufacturing support. Each device carries ROHS3 compliance certification, confirming adherence to hazardous substance restrictions and environmental standards applicable to electronic components.

Selection Criteria Based on Provided Parameters:

1. Electrical Equivalence: All three parts are electrically identical. Selection between them does not affect circuit functionality, performance, or firmware compatibility.

2. Package Body Dimensions: The primary distinction lies in physical package dimensions. R7F100GML2DFB#BA0 and R7F100GML2DFB#AA0 feature 80-LFQFP (12x12mm) packages, while R7F100GML2DFA#AA0 features 80-LQFP (14x14mm). Both maintain identical pin count (80 pins) and pitch (0.5mm), ensuring compatibility with standard 80-LQFP PCB footprints.

3. Inventory Availability: Current stock levels are R7F100GML2DFB#BA0 (674 units), R7F100GML2DFB#AA0 (1337 units), and R7F100GML2DFA#AA0 (1229 units). Selection may be influenced by supply chain requirements and delivery timelines.

4. Compliance and Certification: All devices meet identical moisture sensitivity specifications (MSL 3, 168 hours) and RoHS3 requirements, supporting equivalent reliability and handling procedures.

Selection among these three parts should be based on PCB layout constraints (package body size), inventory availability, and lead time requirements, as all provide identical electrical performance and functional capability.

Frequently Asked Questions (FAQ)

Q1: Are R7F100GML2DFB#BA0, R7F100GML2DFB#AA0, and R7F100GML2DFA#AA0 fully interchangeable in terms of electrical function?

A: Yes. All three microcontrollers are electrically identical. They share the same core processor (RL78), clock speed (32MHz), memory configuration (512KB flash, 48KB RAM, 8KB EEPROM), I/O count (70 pins), and peripheral set. Firmware compiled for one device operates identically on the others without modification.

Q2: What is the difference between the 80-LFQFP (12x12mm) and 80-LQFP (14x14mm) packages?

A: The primary difference is physical body dimensions. Both packages maintain 80 pins with 0.5mm pitch and identical pin assignments. The 12x12mm variant (R7F100GML2DFB#BA0 and R7F100GML2DFB#AA0) occupies less PCB area, while the 14x14mm variant (R7F100GML2DFA#AA0) provides a larger body footprint. Selection depends on PCB layout requirements and available space. Standard 80-LQFP footprints accommodate both variants.

Q3: Can I substitute R7F100GML2DFA#AA0 (14x14mm) for R7F100GML2DFB#BA0 (12x12mm) on an existing PCB design?

A: Package body dimensions differ, but pin count and pitch are identical. Substitution is possible if the PCB footprint is designed for the larger 14x14mm package or if the layout provides sufficient clearance. Verify PCB layout compatibility before substitution.

Q4: Do all three parts have the same compliance certifications?

A: Yes. All three devices are ROHS3 compliant and carry identical moisture sensitivity ratings (MSL 3, 168 hours). They meet equivalent environmental and handling standards.

Q5: Which part should I select based on current inventory?

A: R7F100GML2DFB#AA0 (1337 units) and R7F100GML2DFA#AA0 (1229 units) have higher stock levels than R7F100GML2DFB#BA0 (674 units). Selection should consider supply chain requirements, delivery timelines, and PCB layout constraints rather than inventory levels alone.

Q6: Are there any performance differences between these three microcontrollers?

A: No. All three devices operate at identical specifications: 32MHz clock speed, 1.6V to 5.5V supply voltage range, -40°C to 85°C operating temperature, and identical peripheral functionality. Performance is equivalent across all three variants.

Q7: What does the suffix (#BA0, #AA0) indicate in the part number?

A: The suffix designates specific packaging and marking variations. These suffixes do not affect electrical performance or functional capability. They are used by Renesas for inventory and traceability purposes.