Renesas M30082040054X0ISAY

Overview

M30082040054X0ISAY from Renesas is a 8Mb serial STT-MRAM (Spin-Transfer Torque Magnetoresistive RAM) with QSPI interface, 1.71–2.0V or 2.7–3.6V supply, industrial temperature range (−40°C to +85°C), and 8-pin SOIC package. It delivers SRAM-compatible read/write timing with non-volatility, enabling persistent data storage in real-time control systems.

For engineers reviewing the M30082040054X0ISAY datasheet, M30082040054X0ISAY pinout, M30082040054X0ISAY application, or M30082040054X0ISAY equivalent, key selection considerations include its DDR-capable 54MHz QSPI interface, hardware/software write protection, 256-byte augmented storage array, JEDEC reset support, and dual-voltage operation for flexible system integration.

Technical Context

This MRAM implements pMTJ-based STT technology on a 40nm process, supporting Quad SPI (4-4-4) with both Single Data Rate (SDR) and Double Data Rate (DDR) modes. Its architecture includes eXecute-In-Place (XIP) capability, reducing command overhead during sequential access.

The device integrates three protection layers: hardware write protect via WP# pin, software-configurable block protection (Top/Bottom + BP[2:0]), and individual section-level write lock for the 256-byte augmented storage array. It supports two low-power states-Deep Power Down (IDPD) and Hibernate-with full configuration retention and sub-μs exit times.

Key Specifications

Pinout & Package

8-pin SOIC (5.2mm × 5.2mm) package with standard JEDEC MS-012AC footprint and lead-free RoHS/REACH compliance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar serial non-volatile memory applications.

Compared with FM25V05 and W25Q80DV, M30082040054X0ISAY provides higher density, dual-voltage support, QPI+DDR interface, XIP acceleration, and true infinite endurance-making it optimal for next-generation industrial and medical systems requiring deterministic non-volatile performance.

Availability

M30082040054X0ISAY is available at Aetrix Electronics and suitable for factory automation, multifunction printers, and industrial control systems requiring stable component supply, long-term lifecycle assurance, and RoHS/REACH-compliant sourcing.

Supply support for M30082040054X0ISAY includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics is a global semiconductor leader specializing in microcontrollers, analog, power, and memory solutions for industrial, automotive, and infrastructure markets.

M30082040054X0ISAY belongs to Renesas' Persistent SRAM (P-SRAM) product line, designed specifically to replace battery-backed SRAM and legacy serial flash in mission-critical embedded systems demanding instant-write non-volatility and long-term reliability.

FAQ

What voltage ranges does M30082040054X0ISAY support?

M30082040054X0ISAY supports two independent supply ranges: 1.71V to 2.00V (1.8V nominal) and 2.70V to 3.60V (3.3V nominal). The device automatically adapts to either range without external configuration. This dual-voltage capability allows M30082040054X0ISAY to serve both low-power 1.8V microcontroller systems and robust 3.3V industrial controllers using the same part number and PCB footprint.

Does M30082040054X0ISAY support Quad SPI (QPI) mode?

Yes, M30082040054X0ISAY fully supports Quad SPI (4-4-4) mode, including both Single Data Rate (SDR) and Double Data Rate (DDR) operation. In QPI DDR mode, it achieves effective throughput of 54MHz × 4 × 2 = 432 Mbps. The device uses standard JEDEC QPI instructions and requires no proprietary initialization-ensuring seamless integration with ARM Cortex-M, RISC-V, and other QSPI-capable host processors.

How is write protection implemented on M30082040054X0ISAY?

M30082040054X0ISAY implements three-tiered write protection: (1) hardware via the WP# pin (active-low, disables status register writes when enabled), (2) software via Status Register bits BPSEL[2:0] and TBSEL for configurable top/bottom memory block locking, and (3) per-section (32-byte) write lock for the 256-byte augmented storage array. All protections persist through power cycles and are retained in Deep Power Down mode.

What is the purpose of the Augmented Storage Array in M30082040054X0ISAY?

The 256-byte Augmented Storage Array in M30082040054X0ISAY is a dedicated, user-programmable region separate from main memory. It is divided into eight 32-byte sections, each independently readable, writable, and write-protectable. This area is ideal for storing immutable calibration data, cryptographic keys, device-specific identifiers, or firmware version stamps-providing secure, field-updatable storage without risking main memory corruption.

Is M30082040054X0ISAY pin-compatible with standard SPI NOR flash devices?

Yes, M30082040054X0ISAY uses an industry-standard 8-pin SOIC package (5.2mm × 5.2mm) with identical pinout and electrical signaling to common SPI NOR flash devices such as Winbond W25Q80DV and Macronix MX25L8006E. No PCB redesign is needed-M30082040054X0ISAY can be substituted directly into existing layouts, delivering immediate improvements in write endurance, latency, and power efficiency without hardware changes.