R5F102AAASP#X0 Equivalent & Substitute Parts

Part Overview

The R5F102AAASP#X0 is a 16-bit RL78/G12 microcontroller manufactured by Renesas Electronics Corporation, featuring 16KB FLASH program memory, 2KB EEPROM, and 2KB RAM in a 30-LSSOP surface mount package. This part is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing design support and production continuity. The RL78/G12 series provides integrated connectivity options including CSI, I2C, and UART/USART interfaces, along with peripheral functions such as DMA, PWM, and watchdog timer capabilities.

Substiute Parts

R5F102AAASP#X0

Renesas Electronics CorporationIn Stock: 2860R5F102AAASP#X0 Datasheet

Current PartRFQ

R5F102AAASP#50

Renesas Electronics CorporationIn Stock: 45111R5F102AAASP#50 Datasheet

DirectRFQ

R5F102AADSP#50

Renesas Electronics CorporationIn Stock: 976R5F102AADSP#50 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the R5F102AAASP#X0 are identified based on strict electrical and mechanical parameter equivalence within the RL78/G12 microcontroller family. The substitution criteria are:

• Identical core processor architecture (RL78)
• Matching core size (16-Bit)
• Identical clock speed (24MHz)
• Identical program memory capacity (16KB FLASH)
• Identical EEPROM capacity (2K x 8)
• Identical RAM capacity (2K x 8)
• Identical voltage supply range (1.8V ~ 5.5V)
• Identical operating temperature range (-40°C ~ 85°C)
• Identical package type (30-LSSOP)
• Identical connectivity and peripheral feature sets

Substitutes are grouped by packaging configuration and product status. The primary distinction between substitute parts is the packaging format (individual unit versus tape & reel) and current product lifecycle status (active versus obsolete).

Parameter Comparison

Engineering Selection Recommendations

For applications currently using the R5F102AAASP#X0, the following selection criteria apply:

Active Product Status Priority: R5F102AAASP#50 and R5F102AADSP#50 are both classified as active products, providing long-term availability and manufacturing support compared to the obsolete R5F102AAASP#X0.

Packaging Considerations: R5F102AAASP#50 is supplied in Tape & Reel (TR) format, suitable for high-volume automated assembly operations. R5F102AADSP#50 is supplied in individual unit packaging, appropriate for lower-volume production or prototype applications.

Compliance and Certifications: All three parts maintain identical ROHS3 compliance and REACH unaffected status, ensuring regulatory consistency across substitution choices. Moisture sensitivity level (MSL 3, 168 hours) is uniform across all variants.

Electrical and Functional Equivalence: All substitute parts maintain complete electrical and functional equivalence with the original R5F102AAASP#X0, including identical core architecture, memory configuration, voltage specifications, and operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can R5F102AAASP#50 directly replace R5F102AAASP#X0 in production?

A: Yes. R5F102AAASP#50 is electrically and functionally identical to R5F102AAASP#X0. The primary difference is packaging format (Tape & Reel versus individual unit) and product status (active versus obsolete). No circuit modifications are required.

Q: What is the difference between R5F102AAASP#50 and R5F102AADSP#50?

A: Both parts are parametrically equivalent with identical electrical specifications, memory configuration, and package type. The difference lies in the part number designation and packaging format. R5F102AAASP#50 is supplied in Tape & Reel format for automated assembly, while R5F102AADSP#50 is supplied in individual unit format.

Q: Are all three parts compatible with the same PCB layout?

A: Yes. All three parts use the identical 30-LSSOP package with 0.240" width and 6.10mm dimensions. PCB footprints, pin assignments, and mechanical mounting requirements are identical across all variants.

Q: Does the obsolete status of R5F102AAASP#X0 affect circuit functionality?

A: No. Obsolete status indicates end-of-life manufacturing status only. The part functions identically to active variants. However, obsolete parts have limited availability and no ongoing manufacturing support, making substitution with active alternatives (R5F102AAASP#50 or R5F102AADSP#50) recommended for new designs and production continuity.

Q: Are there any compliance or certification differences between the three parts?

A: No. All three parts maintain identical ROHS3 compliance, REACH unaffected status, and MSL 3 (168 hours) moisture sensitivity rating. Regulatory and environmental compliance is uniform across all variants.

Q: Which substitute part should be selected for high-volume production?

A: R5F102AAASP#50 in Tape & Reel format is optimized for high-volume automated assembly operations, providing cost efficiency and production throughput advantages over individual unit packaging.