R5F64175PFB Equivalent & Substitute Parts

Part Overview

The R5F64175PFB is a 16/32-bit microcontroller from Renesas Electronics Corporation's M16C/R32C/100/117 series, featuring 384KB FLASH memory, 40KB RAM, and 8KB EEPROM. This device operates at 50MHz with integrated CANbus, I2C, UART/USART, and EBI/EMI connectivity, packaged in a 100-LFQFP form factor. The part is currently classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. Parametric equivalents with active product status are available to ensure supply chain continuity.

Key Parameters

Parameter	Value
Core Processor	R32C/100
Core Size	16/32-Bit
Speed	50MHz
Program Memory Size	384KB (384K x 8) FLASH
EEPROM Size	8K x 8
RAM Size	40K x 8
Voltage Supply (Vcc/Vdd)	3V ~ 5.5V
Number of I/O	84
Connectivity	CANbus, EBI/EMI, I2C, IEBus, UART/USART
Peripherals	DMA, LVD, PWM, WDT
Data Converters	A/D 26x10b; D/A 2x8b
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	100-LQFP
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the R5F64175PFB is determined by strict parametric matching across core electrical and mechanical specifications. All substitute parts must maintain identical values for the following critical parameters:

Core Processor: R32C/100
Core Size: 16/32-Bit
Speed: 50MHz
Program Memory: 384KB FLASH
EEPROM: 8K x 8
RAM: 40K x 8
Voltage Supply: 3V ~ 5.5V
Number of I/O: 84
Connectivity: CANbus, EBI/EMI, I2C, IEBus, UART/USART
Peripherals: DMA, LVD, PWM, WDT
Data Converters: A/D 26x10b; D/A 2x8b
Operating Temperature: -40°C ~ 85°C
Package: 100-LQFP
Mounting Type: Surface Mount
MSL: 3 (168 Hours)

The three identified substitutes meet all parametric requirements and are classified as active products, providing supply continuity for the obsolete R5F64175PFB.

Parameter Comparison

Parameter	R5F64175PFB	R5F64165PFB#2B	R5F64175DFB#U0	R5F64185DFB#U0
Manufacturer	Renesas Electronics	Renesas Electronics	Renesas Electronics	Renesas Electronics
Series	M16C/R32C/100/117	M16C/R32C/100/116	M16C/R32C/100/117	M16C/R32C/100/118
Core Processor	R32C/100	R32C/100	R32C/100	R32C/100
Core Size	16/32-Bit	16/32-Bit	16/32-Bit	16/32-Bit
Speed	50MHz	50MHz	50MHz	50MHz
Program Memory	384KB FLASH	384KB FLASH	384KB FLASH	384KB FLASH
EEPROM	8K x 8	8K x 8	8K x 8	8K x 8
RAM	40K x 8	40K x 8	40K x 8	40K x 8
Voltage Supply	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V
Number of I/O	84	84	84	84
Connectivity	CANbus, EBI/EMI, I2C, IEBus, UART/USART	CANbus, EBI/EMI, I2C, IEBus, UART/USART	CANbus, EBI/EMI, I2C, IEBus, UART/USART	CANbus, EBI/EMI, I2C, IEBus, UART/USART
Peripherals	DMA, LVD, PWM, WDT	DMA, LVD, PWM, WDT	DMA, LVD, PWM, WDT	DMA, LVD, PWM, WDT
Data Converters	A/D 26x10b; D/A 2x8b	A/D 26x10b; D/A 2x8b	A/D 26x10b; D/A 2x8b	A/D 26x10b; D/A 2x8b
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package	100-LQFP	100-LQFP	100-LQFP	100-LQFP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
MSL	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	Not specified	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All three substitute parts are parametrically equivalent to the R5F64175PFB and maintain identical electrical and mechanical specifications. Selection among the substitutes should be based on product availability and compliance requirements:

R5F64165PFB#2B is classified as active with 1031 units in stock and carries ROHS3 compliance and REACH unaffected status.

R5F64175DFB#U0 is classified as active with 776 units in stock and carries ROHS3 compliance and REACH unaffected status. This part shares the same base product number (R5F64175) as the original part.

R5F64185DFB#U0 is classified as active with 1155 units in stock and carries ROHS3 compliance and REACH unaffected status.

All substitutes are suitable for direct replacement in applications currently using the R5F64175PFB, provided that firmware and software compatibility with the respective series variants (116, 117, 118) has been established.

Frequently Asked Questions (FAQ)

Q: Can R5F64165PFB#2B, R5F64175DFB#U0, and R5F64185DFB#U0 be used interchangeably with R5F64175PFB?

A: Yes. All three parts maintain identical core processor architecture (R32C/100), memory configuration (384KB FLASH, 40KB RAM, 8KB EEPROM), clock speed (50MHz), I/O count (84), voltage supply range (3V ~ 5.5V), connectivity interfaces, and peripheral sets. Package specifications and operating temperature ranges are also identical.

Q: What is the difference between the substitute parts?

A: The primary differences are product series designation and product status. R5F64165PFB#2B belongs to the M16C/R32C/100/116 series, R5F64175DFB#U0 belongs to the M16C/R32C/100/117 series (matching the original), and R5F64185DFB#U0 belongs to the M16C/R32C/100/118 series. All three are active products, whereas the original R5F64175PFB is obsolete. Firmware compatibility with the respective series variants must be confirmed before implementation.

Q: Are there any compliance differences between the original and substitute parts?

A: The original R5F64175PFB does not specify RoHS or REACH status in the provided data. All three substitute parts are ROHS3 compliant and REACH unaffected, providing enhanced regulatory compliance for new designs and production runs.

Q: Does the package format remain the same across all parts?

A: Yes. All parts, including the original and all substitutes, use the 100-LQFP package with 14x14mm dimensions and surface mount mounting type. PCB layout and footprint compatibility is maintained.

Q: What is the moisture sensitivity level for these parts?

A: All parts, including the original and substitutes, have an MSL rating of 3 with a 168-hour floor life. Identical handling and storage protocols apply across all variants.

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