M25P32-VMW3TGB - 32Mbit SPI NOR Flash 75MHz | Micron Technology
Teilenummer: M25P32-VMW3TGB ✗ Abgekündigt| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $2.05 | $2,05 |
| 10 | $1.96 | $19,60 |
| 100 | $1.82 | $182,00 |
| 500 | $1.68 | $840,00 |
| 1.000 | $1.55 | $1.550,00 |
M25P32-VMW3TGB Übersicht
Serial NOR Flash is a non-volatile memory category within the broader flash memory hierarchy: memory IC -> flash memory -> NOR Flash -> serial (SPI) NOR Flash. Unlike parallel NOR or NAND devices, serial NOR Flash uses a reduced-pin-count SPI bus, trading raw bandwidth for board space savings and simplified routing, which makes it the dominant technology for code storage and firmware boot in embedded systems.
Key features include 32 Mbit of density organized as 4M x 8 bits, a 75 MHz maximum SPI clock frequency for fast code execution and download, page programming of 1 to 256 bytes per Page Program instruction, and advanced write protection mechanisms including sector and bulk erase locking. The wide 2.7 V to 3.6 V supply range supports 3.3 V and 3.0 V rails common in automotive and industrial systems.
The device implements the standard M25P instruction set: READ, FAST_READ, PAGE_PROGRAM, SECTOR_ERASE, BULK_ERASE, WRITE_ENABLE/DISABLE, READ_STATUS_REGISTER, and write-protect commands. Sector architecture of 64 sectors (64 kB each) allows flexible update granularity. Access times in the 8 ns class reflect the high-speed synchronous read performance over SPI.
Typical applications include FPGA configuration/boot storage (a classic use documented in Altera/Intel community threads), MCU firmware boot in industrial controllers, embedded data logging, computing modules, and automotive infotainment or body-controller code storage where AEC-Q100 qualification is required.
Design consideration: when replacing an EOL M25P32 in existing layouts, verify instruction-set and status-register compatibility with your host bootloader - the Renesas/Adesto conversion guide for Micron EOL M25P products is the recommended qualification starting point.
This page synthesizes distributor pricing, verified drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-04.
Drop-in-Alternativen für M25P32-VMW3TGB – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit M25P32-VMW3TGB (gleiche Bauform und Footprint) – abweichend in Density, Memory Type, Organization, Supply Voltage, Interface.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
M25P32-VMF3TPB
✅ Drop-In✓ Auf Lager
$1.58 / Stück
Datenblatt ansehen →M25P32-VMW3GB
✅ Drop-In✓ Auf Lager
$1.18 / Stück
Datenblatt ansehen →AT25SF321B-SH-B
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
AT25DF321A-SH-T
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
W25Q32JVSSIQ
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
M25P32-VMW3TGB Grenzwerte & elektrische Eigenschaften
| Speichertyp | NOR Flash, Serial SPI |
| Density | 32 Mbit (33554 kbits) |
| Speicherorganisation | 4M x 8 bits |
| Versorgungsspannung | 2.7 V to 3.6 V |
| Max SPI Clock Frequency | 75 MHz |
| Access Time | 8 ns |
| Page Program Size | 1 to 256 bytes |
| Programming Method | Page Program instruction |
| Write Protection | Advanced write protection mechanisms |
| Package Type | VDFPN-8 (8 x 6 mm, SO W) |
| Pin-Anzahl | 8 |
| Montageart | Surface Mount |
| Automotive Qualification | AEC-Q100 qualified |
| RoHS-Status | RoHS compliant |
| Packaging | Tape & Reel (T/R) |
| Application Class | Automotive, industrial controllers, computing modules |
M25P32-VMW3TGB Pin-Konfiguration
| Pin 1 | #S — Chip select, active low |
| Pin 2 | D — Serial data input (MOSI) |
| Pin 3 | #W — Write protect, active low |
| Pin 4 | VSS — Ground |
| Pin 5 | C — Serial clock (SPI SCK) |
| Pin 6 | Q — Serial data output (MISO) |
| Pin 7 | #HOLD — Hold, active low (pauses serial communication) |
| Pin 8 | VDD — Power supply, 2.7 V to 3.6 V |
Typische Anwendungen
M25P32-VMW3TGB ist geeignet für 6 Anwendungs: FPGA Configuration and Boot Storage, Automotive ECU Firmware Storage, Industrial Controller Boot and Logging, Embedded Computing Modules, Data Logging and Black-Box Recorders, Service Replacement for EOL Designs.
FPGA Configuration and Boot Storage
The M25P32-VMW3TGB is a classic FPGA configuration device: its 32 Mbit capacity covers typical mid-range FPGA bitstreams, and the 75 MHz SPI clock shortens configuration time compared with 20-33 MHz legacy parts. Placed on the dedicated configuration SPI bus of Intel/Altera, Lattice, or Xilinx FPGAs, it stores the bitstream and delivers it via FAST_READ after power-up. The Altera community documents active migration projects from M25P32 to the Adesto AT25SF321B, confirming the relevance of this footprint for board refresh. Designers should budget configuration time as (bitstream bits / 75 MHz) plus protocol overhead, and verify the host's bitstream-to-instruction mapping when qualifying any replacement.
Empfohlen
Automotive ECU Firmware Storage
With AEC-Q100 qualification and a 2.7 V to 3.6 V supply tolerant of automotive load-dump-degraded rails, the M25P32-VMW3TGB stores boot code, calibration data, and firmware in body controllers, gateways, and infotainment modules. The 64 kB sector granularity allows OTA-style incremental firmware updates without erasing the entire array, while advanced write protection prevents corruption of the immutable bootloader during crash events or brownouts. Designers should place a 100 nF ceramic capacitor within 5 mm of the VDD pin and tie #W to a GPIO so firmware can lock sectors during field updates. Because the part is EOL, automotive programs should qualify the AT25SF321B path documented in the Renesas conversion guide.
Empfohlen
Industrial Controller Boot and Logging
Industrial PLCs, motor drives, and remote I/O modules use the M25P32-VMW3TGB for both firmware boot and event logging. The 4 MB array comfortably holds a bootloader plus a main application with double-buffered update banks, while 256-byte page programming supports frequent small log writes. The 75 MHz SPI interface keeps boot latency low, and the VDFPN-8 package survives industrial temperature profiles on standard FR-4. A practical pattern is storing a CRC-protected golden image in sector 0 and staging updates in upper sectors; if the staged image fails CRC, the bootloader rolls back. Distributor overviews (globalspec) explicitly list industrial controllers among the part's target uses.
Empfohlen
Embedded Computing Modules
COMs (computer-on-modules), SBCs, and network processors use 32 Mbit SPI NOR to hold U-Boot, BIOS/option ROM code, and FPGA bitstreams. The M25P32-VMW3TGB's 8 ns access class and 75 MHz FAST_READ keep reset-to-boot time short, and its SPI footprint consumes minimal board area in the 8 x 6 mm VDFPN-8 package. The globalspec product overview names computing modules and 'embedded logging' among the device's primary uses. When the host CPU supports 3-byte addressing only, keep the boot image within the first 16 MB of any larger replacement - irrelevant at 32 Mbit but worth documenting for future density upgrades. Pair with a 100 nF plus 10 uF decoupling pair for rail integrity during erase bursts.
Empfohlen
Data Logging and Black-Box Recorders
The M25P32-VMW3TGB's 256-byte page programming and sector-erase architecture suit circular-buffer data logging in telematics, energy meters, and vehicle event recorders. Firmware can write timestamped records into 64 kB sectors, marking them for erase only when full, which spreads erase wear across the array and extends endurance. Advanced write protection lets the logger lock the most recent critical records against overwrite after an incident. At 75 MHz SPI, a 256-byte page dump completes in microseconds, enabling burst capture of high-rate sensor data. The RoHS-compliant no-lead VDFPN-8 package supports compact meter and logger PCBs, and AEC-Q100 qualification covers under-hood telematics deployments.
Empfohlen
Service Replacement for EOL Designs
Because Micron has ended its low-density product line, the M25P32-VMW3TGB's most active use today is like-for-like service replacement in fielded equipment: repairing legacy industrial controllers, test instruments, and automotive modules whose firmware was validated on the M25P instruction set. Distributors (DigiKey 'ships today', LCSC, Ampheo, Win Source) still hold stock, at roughly $1.96-$2.05 per unit as of 2026-09-04. For each repair batch, verify date codes and program a known-good test image before shipping. For volume requalification instead of one-off repair, follow the Renesas 'Conversion Guide Micron EOL M25P Products' to move to the AT25SF321B on the same footprint.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für M25P32-VMW3TGB – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | M25P32-VMF3TPB | M25P32-VMW3GB | AT25SF321B-SH-B | AT25DF321A-SH-T | W25Q32JVSSIQ |
|---|---|---|---|---|---|---|
| Brand | Micron Technology | Micron Technology | Micron Technology | Renesas Electronics (Adesto) | Renesas Electronics (Adesto) | Winbond Electronics |
| Package | VDFPN-8 (SO W, 8 x 6 mm) | VDFPN-8 (SO W) - same | VDFPN-8 (SO W) - same | SOIC-8 - same footprint | SOIC-8 EIAJ - same footprint | SOIC-8 - same footprint |
| Density | 32 Mbit (4M x 8) | 32 Mbit (4M x 8) | 32 Mbit (4M x 8) | 32 Mbit (4M x 8) | 32 Mbit (4M x 8) | 32 Mbit (4M x 8) |
| Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.3 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
Wichtigste Unterscheidungsmerkmale
- Automotive AEC-Q100 qualification (vs. W25Q32JVSSIQ)
- Identical die replacement within Micron family (vs. M25P32-VMW3GB)
- Supply continuity vs EOL reality (vs. M25P32-VMF3TPB)
Designhinweise
The VDFPN-8 is a no-lead package whose exposed pad is the primary ground connection. The PCB land pattern must include a center pad soldered to a solid VSS plane with at least 4-5 thermal vias; relying on the perimeter pin 4 alone increases ground impedance and degrades signal return for the 75 MHz clock. Keep traces from the host SPI controller under 10 cm on FR-4 without series termination; add 22-33 ohm series resistors on SCK and D if stubs or connectors exist in the routing path.
Supply is 2.7 V to 3.6 V single-rail. Decouple with 100 nF ceramic within 5 mm of VDD plus 4.7-10 uF bulk local to the flash rail. Bulk erase and sector erase draw the highest transient current; a shared rail with an RF or analog section may show droop during erase bursts, so budget local bulk capacitance accordingly. Estimated: even at a conservative 15 mA peak erase current on a 3.3 V rail, decoupling above is sufficient, but verify against the datasheet ICC-erase figure for your temperature corner.
The most common failure mode in M25P32 designs is firmware assuming a command set identical to JEDEC successor parts. The M25P uses 3-byte addressing and a specific status register layout; AT25SF321B and W25Q32JV parts add commands and differ in status bits such as sector protection. If migrating, re-map the bootloader's erase/program/status polling code and validate write-protect behavior - the Renesas EOL conversion guide is the authoritative checklist. Also confirm #HOLD and #W polarity handling in the host driver before production.
A 75 MHz SPI clock is a significant harmonics source in automotive EMC testing. Route SCK away from antenna modules and sensitive analog traces, use ground guard traces on two sides where possible, and limit clock-edge speed via the host controller's drive-strength settings if slew control is available. In CISPR 25 Class 5 lab runs, flash clock spurs commonly appear near 150/300 MHz multiples of 75 MHz - pre-verify with a near-field probe before the formal test.
Compliance-Informationen
RoHS compliance confirmed by digchip listing ('ROHS COMPLIANT, VDFPN-8') and the Micron VMW3 RoHS ordering suffix. AEC-Q100 qualification confirmed by datasheets.com description. REACH, halogen-free, and conflict-minerals statuses not stated in verified data - confirm via Micron product detail page.
