R5F3650MCDFB#30 Equivalent & Substitute Parts

Part Overview

The R5F3650MCDFB#30 is a 16-bit microcontroller from Renesas Electronics Corporation's M16C/60 series, designed for embedded applications requiring 512KB flash memory and comprehensive peripheral connectivity. This device operates at 32MHz with a supply voltage range of 2.7V to 5.5V and is housed in a 100-LFQFP package. The part maintains Active product status and is ROHS3 compliant. Identifying equivalent substitute parts becomes necessary when the primary part number is unavailable or when design flexibility is required while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Core Processor	M16C/60
Core Size	16-Bit
Speed	32MHz
Program Memory Size	512KB (512K x 8)
Program Memory Type	FLASH
EEPROM Size	8K x 8
RAM Size	31K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V
Number of I/O	85
Package / Case	100-LQFP
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the R5F3650MCDFB#30 is determined by strict equivalence across the following critical parameters:

Core processor architecture (M16C/60)
Core size (16-Bit)
Operating frequency (32MHz)
Program memory capacity and type (512KB FLASH)
EEPROM and RAM specifications (8K x 8 and 31K x 8 respectively)
Supply voltage range (2.7V ~ 5.5V)
I/O count (85 pins)
Package type and pin count (100-LQFP)
Mounting technology (Surface Mount)
Temperature operating range (-40°C ~ 85°C)
Compliance certifications (ROHS3, REACH Unaffected)

The R5F3650MDFB#30 qualifies as a parametric equivalent based on identical electrical specifications and mechanical compatibility. Differences in packaging format (Tray vs. standard packaging) and product lifecycle status do not affect functional interchangeability in circuit design.

Parameter Comparison

Parameter	R5F3650MCDFB#30	R5F3650MDFB#30
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation
Series	M16C™ M16C/60/65C	M16C™ M16C/60/65
Core Processor	M16C/60	M16C/60
Core Size	16-Bit	16-Bit
Speed	32MHz	32MHz
Program Memory Size	512KB (512K x 8)	512KB (512K x 8)
Program Memory Type	FLASH	FLASH
EEPROM Size	8K x 8	8K x 8
RAM Size	31K x 8	31K x 8
Voltage Supply (Vcc/Vdd)	2.7V ~ 5.5V	2.7V ~ 5.5V
Number of I/O	85	85
Connectivity	EBI/EMI, I2C, SIO, UART/USART	EBI/EMI, I2C, SIO, UART/USART
Peripherals	DMA, LVD, POR, PWM, WDT	DMA, LVD, POR, PWM, WDT
Data Converters	A/D 26x10b; D/A 2x8b	A/D 26x10b; 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	100-LQFP	100-LQFP
Supplier Device Package	100-LFQFP (14x14)	100-LFQFP (14x14)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected
Product Status	Active	Not For New Designs
Packaging Format	Standard	Tray

Engineering Selection Recommendations

The R5F3650MCDFB#30 is the preferred selection for new designs due to its Active product status, ensuring long-term availability and manufacturer support. The R5F3650MDFB#30 provides functional equivalence with identical electrical and mechanical specifications but carries a "Not For New Designs" designation, indicating potential future discontinuation.

For existing designs currently using R5F3650MDFB#30, migration to R5F3650MCDFB#30 is supported without circuit modification, as all critical parameters remain unchanged. Both parts maintain ROHS3 compliance and REACH Unaffected status, satisfying regulatory requirements for industrial and commercial applications.

Packaging format differences (Tray for R5F3650MDFB#30 versus standard for R5F3650MCDFB#30) affect supply chain logistics but do not impact electrical performance or PCB assembly compatibility.

Frequently Asked Questions (FAQ)

Q: Can R5F3650MDFB#30 be used as a direct replacement for R5F3650MCDFB#30?

A: Yes. Both parts share identical core processor architecture, memory configuration, I/O count, voltage specifications, and package dimensions. Electrical and mechanical interchangeability is complete. The difference in product lifecycle status does not affect functional performance.

Q: What is the significance of the "Not For New Designs" status on R5F3650MDFB#30?

A: This designation indicates the manufacturer does not recommend this part number for new product development. It may signal planned discontinuation or transition to newer variants. For new designs, R5F3650MCDFB#30 is the appropriate selection.

Q: Are there differences in pin configuration between these parts?

A: No. Both parts use the 100-LQFP package with identical pin assignments, voltage levels, and signal definitions. PCB layouts designed for one part are directly compatible with the other.

Q: Does packaging format (Tray vs. standard) affect circuit performance?

A: No. Packaging format relates only to supply chain handling and storage. Once assembled onto a PCB, both parts function identically. The difference is relevant only for procurement and inventory management.

Q: Are both parts compliant with current environmental regulations?

A: Yes. Both R5F3650MCDFB#30 and R5F3650MDFB#30 are ROHS3 compliant and REACH Unaffected, meeting current environmental and hazardous substance restrictions for industrial applications.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -40°C to 85°C (TA), suitable for industrial and extended commercial temperature environments.

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