Equivalent & Substitute Parts for R5F52316CDLF#20

Part Overview

The R5F52316CDLF#20 is a 32-bit single-core RXv2 microcontroller from Renesas Electronics Corporation, designed for embedded applications requiring 256KB FLASH memory and comprehensive peripheral connectivity. This device is classified as "Not For New Designs," indicating it has reached end-of-life status. Organizations currently using this component or requiring functional equivalents for legacy system maintenance and production support should evaluate available substitute parts that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	R5F52316CDLF#20
Manufacturer	Renesas Electronics Corporation
Series	RX200
Core Processor	RXv2
Core Size	32-Bit Single-Core
Speed	54MHz
Program Memory Size	256KB (256K x 8)
Program Memory Type	FLASH
EEPROM Size	8K x 8
RAM Size	32K x 8
Voltage Supply (Vcc/Vdd)	1.8V ~ 5.5V
Data Converters	A/D 12x12b; D/A 2x12b
Number of I/O	43
Package / Case	64-WFLGA (5x5)
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the R5F52316CDLF#20 is determined by strict alignment of the following critical parameters:

Core Processor Architecture: RXv2 instruction set compatibility
Memory Configuration: 256KB FLASH, 32KB RAM, 8KB EEPROM
Package Format: 64-WFLGA (5x5) surface mount
Electrical Specifications: 1.8V ~ 5.5V supply voltage range
Data Converter Specifications: A/D 12x12b and D/A 2x12b
I/O Count: 43 I/O pins
Operating Temperature Range: -40°C ~ 85°C
Compliance Standards: ROHS3, REACH Unaffected

The R5F52316CDLF#U0 qualifies as a parametric equivalent based on matching all critical electrical and mechanical parameters. Differences in series designation (RX231 vs. RX200) and connectivity options do not affect functional substitution when the above parameters are identical.

Parameter Comparison

Parameter	R5F52316CDLF#20 (Main)	R5F52316CDLF#U0 (Substitute)
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation
Base Product Number	R5F52316	R5F52316
Core Processor	RXv2	RXv2
Core Size	32-Bit Single-Core	32-Bit Single-Core
Speed	54MHz	54MHz
Program Memory Size	256KB (256K x 8)	256KB (256K x 8)
Program Memory Type	FLASH	FLASH
EEPROM Size	8K x 8	8K x 8
RAM Size	32K x 8	32K x 8
Voltage Supply (Vcc/Vdd)	1.8V ~ 5.5V	1.8V ~ 5.5V
Data Converters	A/D 12x12b; D/A 2x12b	A/D 12x12b; D/A 2x12b
Number of I/O	43	43
Package / Case	64-WFLGA (5x5)	64-WFLGA (5x5)
Mounting Type	Surface Mount	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
Product Status	Not For New Designs	Active

Engineering Selection Recommendations

The R5F52316CDLF#U0 is the qualified substitute for R5F52316CDLF#20 based on complete electrical and mechanical parameter alignment. The primary distinction is product lifecycle status: the original part is classified as "Not For New Designs," while the substitute maintains Active status with Renesas Electronics Corporation.

Both parts maintain identical compliance certifications: ROHS3 Compliant, REACH Unaffected, and equivalent ECCN and HTSUS classifications. The substitute part is suitable for direct replacement in existing designs and production environments where the R5F52316CDLF#20 is currently deployed.

Frequently Asked Questions (FAQ)

Q: Can R5F52316CDLF#U0 be used as a direct replacement for R5F52316CDLF#20?

A: Yes. Both parts share identical core processor architecture (RXv2), memory configuration (256KB FLASH, 32KB RAM, 8KB EEPROM), package format (64-WFLGA 5x5), electrical specifications (1.8V ~ 5.5V), and operating temperature range (-40°C ~ 85°C). Pin-to-pin compatibility and functional equivalence are maintained.

Q: What is the significance of the series designation difference (RX200 vs. RX231)?

A: Series designation reflects product family classification within Renesas' RXv2 architecture. When all electrical and mechanical parameters are identical, series differences do not affect substitution eligibility for applications requiring the specified memory, I/O, and peripheral configuration.

Q: Are there connectivity differences between these parts?

A: The R5F52316CDLF#U0 includes Capacitive Touch peripheral capability not listed for the R5F52316CDLF#20. Both parts support I2C, IrDA, SCI, SPI, SSI, and USB OTG. The R5F52316CDLF#20 lists SD/SDIO connectivity. These differences do not affect core functional substitution when the primary application requirements align with the common parameter set.

Q: What packaging considerations apply to both parts?

A: Both parts use 64-WFLGA (5x5) surface mount packaging with Moisture Sensitivity Level 3 (168 Hours). Handling, storage, and reflow procedures are identical. Tray packaging is standard for both parts.

Q: Why is the original part marked "Not For New Designs"?

A: This classification indicates the R5F52316CDLF#20 has reached end-of-life status within Renesas' product portfolio. The R5F52316CDLF#U0 maintains Active status, ensuring continued availability and support for production requirements.

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