M308B8SGP Equivalent & Substitute Parts

Part Overview

The M308B8SGP is a 16/32-bit microcontroller from Renesas Electronics Corporation, part of the M16C™ M32C/80/8B series. This ROMless embedded controller operates at 32MHz and integrates comprehensive connectivity options including EBI/EMI, I2C, IEBus, and UART/USART interfaces. The device is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support, maintenance, and new design considerations where legacy compatibility is required.

Substiute Parts

M308B8SGP

Renesas Electronics CorporationIn Stock: 1165M308B8SGP Datasheet

Current PartRFQ

M308B8SGP#U5

Renesas Electronics CorporationIn Stock: 1541M308B8SGP#U5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the M308B8SGP is determined by strict equivalence across the following critical parameters:

• Core Processor Architecture: M32C/80 processor family
• Memory Configuration: ROMless architecture with 32K x 8 RAM
• Electrical Specifications: 3V ~ 5.5V supply voltage range
• Performance: 32MHz clock speed
• Interface Connectivity: EBI/EMI, I2C, IEBus, UART/USART support
• Peripheral Set: DMA and WDT functionality
• Data Conversion Capability: A/D 18x10b and D/A 2x8b converters
• Package Compatibility: 144-LQFP surface mount package (20x20mm)
• I/O Count: 81 I/O pins

The substitute part M308B8SGP#U5 maintains identical electrical, functional, and mechanical specifications while offering improved product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The M308B8SGP#U5 is the direct functional equivalent for M308B8SGP applications. Selection of M308B8SGP#U5 is supported by the following engineering factors:

Product Status: M308B8SGP#U5 maintains active product status, ensuring continued availability and manufacturer support, whereas the original M308B8SGP is obsolete.

Regulatory Compliance: M308B8SGP#U5 carries ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements for component procurement and system deployment.

Moisture Sensitivity: M308B8SGP#U5 specifies MSL 3 (168 Hours), providing defined handling and storage requirements for manufacturing processes.

Functional Equivalence: All electrical, mechanical, and interface specifications are identical between the two parts, ensuring pin-for-pin and functional compatibility in existing designs.

Inventory Availability: M308B8SGP#U5 demonstrates higher inventory levels (1507 Pcs) compared to M308B8SGP (1063 Pcs), supporting procurement reliability.

Frequently Asked Questions (FAQ)

Q: Can M308B8SGP#U5 be used as a direct replacement for M308B8SGP in existing designs?

A: Yes. M308B8SGP#U5 is functionally and mechanically identical to M308B8SGP. All electrical specifications, pin configurations, package dimensions, and interface protocols are equivalent. No design modifications are required.

Q: What is the significance of the "#U5" suffix in M308B8SGP#U5?

A: The "#U5" suffix indicates a specific product variant or revision code assigned by Renesas Electronics Corporation. This variant maintains full compatibility with the base M308B8SGP specification while offering improved product status and compliance certifications.

Q: Why is M308B8SGP classified as obsolete?

A: Obsolete status indicates that Renesas Electronics Corporation has discontinued active production and support for this specific part number. M308B8SGP#U5 is the active equivalent that replaces this obsolete designation.

Q: Are there any differences in package dimensions between M308B8SGP and M308B8SGP#U5?

A: No. Both parts use the 144-LQFP package with identical 20x20mm dimensions. PCB footprints and assembly processes are interchangeable.

Q: What are the compliance advantages of M308B8SGP#U5?

A: M308B8SGP#U5 is ROHS3 compliant and REACH unaffected, meeting current environmental regulations. The original M308B8SGP does not specify these certifications. For new designs or systems requiring regulatory compliance documentation, M308B8SGP#U5 is the appropriate selection.

Q: How should M308B8SGP#U5 be handled during manufacturing?

A: M308B8SGP#U5 has a Moisture Sensitivity Level (MSL) of 3, requiring storage at controlled humidity (not exceeding 60% RH at 25°C) and limiting floor life to 168 hours after bag opening. Standard ESD precautions and moisture-controlled assembly environments are required.

Q: Are the RAM and data converter specifications identical between both parts?

A: Yes. Both M308B8SGP and M308B8SGP#U5 feature 32K x 8 RAM, A/D converters (18x10b), and D/A converters (2x8b). All memory and conversion specifications are equivalent.

Q: Can M308B8SGP#U5 operate across the same voltage and temperature ranges?

A: Yes. M308B8SGP#U5 operates at 3V ~ 5.5V supply voltage and -20°C ~ 85°C operating temperature, identical to M308B8SGP specifications.