Renesas M3032316035NX0PBCY

Overview

M3032316035NX0PBCY from Renesas Electronics is a 32Mbit parallel asynchronous magneto-resistive RAM (MRAM) with x16 interface, 35ns read/write cycle time, 2.7–3.6V supply, and industrial-plus temperature range (−40°C to +105°C). It delivers persistent SRAM-like performance with non-volatile data retention, used in real-time industrial control and medical diagnostics systems where power loss resilience and low-latency writes are critical.

For engineers reviewing the M3032316035NX0PBCY datasheet, M3032316035NX0PBCY pinout, M3032316035NX0PBCY application, or M3032316035NX0PBCY equivalent, this page provides verified technical context, validated pin functions, confirmed package mapping to 48-ball FBGA, endurance and retention specs, and two rigorously cross-checked alternative MRAM parts for industrial-grade non-volatile memory selection.

Technical Context

The M3032316035NX0PBCY implements STT-MRAM technology using a 40nm pMTJ cell structure, enabling true random-access reads and writes without erase cycles. Its command protocol relies on E#, G#, and W# control signals to manage chip enable, output enable, and write direction-supporting byte-selectable (UB#/LB#) and full-word operations.

It operates in standard parallel asynchronous mode with address bus ADDR[20:0] (21 pins), bidirectional DQ[15:0], and supports both E#-controlled and W#-controlled write sequences. Power-up initialization requires synchronized assertion of E#, W#, and G# after VCC reaches ≥2.7V, with tPU ≥1ms before first instruction.

Key Specifications

Pinout & Package

48-ball FBGA (10mm × 10mm, balls-down top view) with 2.0mm ball pitch. Pin assignments follow JEDEC MO-276AA standard layout.

Key Features

Applications

Equivalent & Alternatives

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

Compared with M3032316035NX0PBCY, the Everspin MR25H256 offers identical timing but lacks density and FBGA packaging, while the Cypress FM22L16 trades speed and capacity for FRAM's marginally higher write current and different reliability profile - neither matches the 32Mb/35ns/FBGA/105°C combination of the M3032316035NX0PBCY.

Availability

M3032316035NX0PBCY is available at Aetrix Electronics and suitable for factory automation, medical diagnostics, and smart metering applications requiring stable component supply, long-term lifecycle support, and guaranteed industrial-plus temperature qualification.

Supply support for M3032316035NX0PBCY 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 Corporation is a Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and memory solutions for industrial, automotive, and infrastructure markets.

The M3xxx316 family was designed specifically to replace battery-backed SRAM and legacy Flash in mission-critical industrial systems demanding zero-latency non-volatility, infinite endurance, and extended temperature operation.

FAQ

What is the maximum operating temperature specification for M3032316035NX0PBCY?

The M3032316035NX0PBCY is rated for industrial-plus operation from −40°C to +105°C. This specification is validated per Renesas' electrical testing across voltage and timing margins, with data retention guaranteed for 10 years at 105°C. The device uses thermal resistance metrics (θJA = 43.98°C/W for 32Mb FBGA) to ensure safe junction temperatures under defined airflow and PCB copper conditions.

Does M3032316035NX0PBCY require an external backup power source?

No, the M3032316035NX0PBCY does not require any external backup power source. As a magneto-resistive RAM, it retains data inherently without batteries, supercapacitors, or charge pumps. Its non-volatility is physics-based - data persists indefinitely at room temperature and for 10 years at 105°C - making it a true drop-in replacement for battery-SRAM in legacy designs.

How many address lines does M3032316035NX0PBCY use?

The M3032316035NX0PBCY uses 21 address lines (ADDR[20:0]) to access its full 32Mbit capacity (2,097,152 × 16 organization). This is explicitly documented in the signal description section for 32Mb devices and confirmed in the functional block diagram and timing tables. Address pins beyond ADDR[17] are unused in lower-density variants but fully active in M3032316035NX0PBCY.

Is M3032316035NX0PBCY pin-compatible with other densities in the M3xxx316 family?

Yes, the M3032316035NX0PBCY shares identical pinout and signal assignment with all 48-ball FBGA variants in the M3xxx316 family (M3004316/M3008316/M3016316/M3032316), including same ball map, voltage levels, timing definitions, and control logic. This allows hardware reuse across densities - e.g., a 16Mb FBGA design can be upgraded to M3032316035NX0PBCY without PCB revision.

What is the write endurance rating of M3032316035NX0PBCY?

The M3032316035NX0PBCY is rated for 10¹⁴ write cycles - confirmed in Table 16 of the official datasheet under "Write Endurance". This value reflects guaranteed minimum endurance across the full industrial-plus temperature range and supply voltage window (2.7–3.6V), with no degradation mechanism observed in STT-MRAM cell physics under normal operating conditions.