M25P64-VMF3TPB - 64Mbit SPI NOR Flash 75MHz | Micron
Référence : M25P64-VMF3TPB ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
M25P64-VMF3TPB Présentation
A serial NOR Flash memory is a non-volatile memory device that stores code and data while retaining contents without power, and is accessed byte-by-byte over a serial interface. In the memory hierarchy, NOR Flash sits alongside NAND Flash and EEPROM within the non-volatile memory family; unlike NAND, NOR supports direct random access to any address, which makes it the standard choice for direct code execution (XIP) of bootloaders and firmware in embedded systems.
Key features include the 64 Mbit density organized as 8,388,608 bytes, SPI Mode 0 and Mode 3 operation at up to 75 MHz, hardware and software write-protection mechanisms (block protect and status register protection), sector erase and bulk erase instructions, and an automotive temperature grade suitable for -40C to +85C (and beyond, per grade coding) environments. The HOLD pin suspends serial communication without deselecting the device, useful in multi-slave SPI buses shared with real-time tasks.
Architecturally, the M25P64 family uses a page-program architecture: data is programmed page-by-page into a buffer and then written to the array, with erase granularity at sector level. The 75 MHz SPI clock, combined with fast read and fast read dual-output style throughput, keeps boot times short for large firmware images, while the 8 ns access-time class reflects the internal read latency of the array.
Typical applications include automotive ECU code and calibration storage, FPGA configuration boot memories in industrial and communications equipment, and firmware storage in set-top boxes, networking line cards, and telemetry modules where reliability and long-term availability matter.
Design consideration: keep the SPI trace lengths short and add a 100 nF decoupling capacitor directly across VCC and GND; ensure the HOLD and WRITE PROTECT pins are actively driven to avoid floating-pin command corruption during power ramps.
This page synthesizes distributor pricing and stock references, verified cross-references, and practical drop-in alternative analysis not consolidated in the manufacturer datasheet.
Alternatives de remplacement direct pour M25P64-VMF3TPB — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec M25P64-VMF3TPB (même facteur de forme et même empreinte) — différant par Density, Interface, Memory Type, Organization, Packaging.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
M25P64-VMF3TGBA
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
M25PX64SVMF6F
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
W25Q64JVSFIM
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
M25P64-VMF3TPB Valeurs maximales et caractéristiques électriques
| Type de mémoire | NOR Flash, Serial SPI |
| Density | 64 Mbit (67108864 bits) |
| Organisation de la mémoire | 8M x 8 (8388608 bytes) |
| Interface | SPI Serial (Mode 0 and Mode 3) |
| Max Clock Frequency | 75 MHz |
| Access Time Class | 8 ns |
| Tension d'alimentation | 2.7 V to 3.6 V single supply (3.0 V / 3.3 V nominal) |
| Temperature Grade | Automotive |
| Boîtier / Format | 16-SOIC W (0.295 in, 7.50 mm body) |
| Number of Pins / Terminals | 16 |
| Type de montage | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Write Protection | Hardware (WP) and software block protection |
| HOLD Function | Yes, serial communication suspend |
| Statut RoHS | Compliant |
Guide de configuration des broches du M25P64-VMF3TPB 16-soic w (0.295 in, 7.50 mm body)
Configuration des broches du M25P64-VMF3TPB (boîtier 16-soic w (0.295 in, 7.50 mm body)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour M25P64-VMF3TPB.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
M25P64-VMF3TPB convient pour 6 applications: Automotive ECU Code and Calibration Storage, FPGA Configuration Boot Memory, Industrial PLC and Automation Firmware, Networking Router and Line-Card Configuration Storage, Set-Top Box and Consumer Electronics Firmware, Telematics and Data-Logger Event Storage.
Automotive ECU Code and Calibration Storage
The M25P64-VMF3TPB fits automotive ECU firmware and calibration storage because it combines a 64 Mbit (8 MB) array - large enough for a full application image plus calibration tables - with an automotive temperature-grade build and SPI simplicity that reduces MCU pin count versus parallel Flash. Its 2.7 V to 3.6 V supply connects directly to a 3.3 V vehicle-domain rail, and hardware plus software write protection prevents accidental corruption of safety-relevant calibration sectors during fault conditions. In the circuit, the device hangs off the MCU hardware SPI at up to 75 MHz with CS dedicated and WP driven by GPIO; a 100 nF decoupling capacitor at the supply pin handles transients. The trade-off is lifecycle: the family is EOL, so new ECUs should qualify the MT25QL series while existing platforms use last-time-buy stock.
Recommandé
FPGA Configuration Boot Memory
FPGAs in industrial controllers and communications line cards commonly boot from serial NOR Flash, and the M25P64-VMF3TPB's 64 Mbit array holds mid-range FPGA bitstreams with headroom for multiple revision images. The 75 MHz SPI clock with the standard fast-read instruction minimizes configuration time: a several-Mbit bitstream loads in tens of milliseconds at the clock ceiling, and the device's SPI Mode 0 compatibility matches standard FPGA master-serial configuration engines. In this role the Flash connects directly to the FPGA CCLK/DIN data pins, with the FPGA acting as SPI master after power-up; HOLD and WP should be pulled high. Because configuration integrity is critical, enable block protection on the golden-image sectors. Note the EOL status: new FPGA platforms should use MT25QL devices that preserve the same footprint and instruction heritage.
Recommandé
Industrial PLC and Automation Firmware
Programmable logic controllers and factory automation nodes need code storage that survives years of 24/7 operation, harsh electrical noise, and unplanned power cycles - conditions the M25P64-VMF3TPB was built for, with its write-protect mechanisms rejecting write-enable sequences during power ramps and its automotive-grade construction exceeding typical industrial requirements. The 8 MB capacity accommodates a real-time operating system image plus application logic and recipe data. In a typical design, the SPI bus is shared with a real-time clock and an ADC at 25-50 MHz, using the HOLD pin to suspend Flash transactions when an interrupt claims the bus. Layout practice keeps SPI traces short on a ground-referenced inner layer and adds a 100 nF capacitor at VCC. Given family EOL, procurement teams should map a migration path to the M25PX64 or Winbond W25Q64.
Recommandé
Networking Router and Line-Card Configuration Storage
Routers, switches, and telecom line cards store bootloaders, device trees, and configuration files in serial NOR, and the M25P64-VMF3TPB's 8 MB array plus 75 MHz interface suits mid-range designs where boot time matters. The 8 ns access-time class reflects the internal array read latency that keeps sequential fast-read streaming efficient, so a bootloader copies a compressed kernel to RAM in well under a second. On the board, the Flash shares an SPI bus with a CPLD and a temperature sensor; chip-select per device plus the HOLD function lets a monitoring task interleave safely during long reads. Network equipment vendors also value the write-protection scheme for locking golden images against remote-firmware corruption. For new BOMs, active-production equivalents such as the N25Q064 or Winbond W25Q64 avoid EOL supply risk while preserving the same SPI software model.
Recommandé
Set-Top Box and Consumer Electronics Firmware
Set-top boxes, digital TVs, and smart-home hubs historically used M25P-class serial NOR for bootloader and parameter storage because SPI NOR is simple, reliable, and needs only four board traces - a meaningful cost advantage in high-volume consumer products. The M25P64-VMF3TPB's 8 MB organization holds a boot image plus persistent user settings, and its 2.7 V to 3.6 V supply tolerance rides the common 3.3 V consumer rail directly. Its page-program architecture writes settings quickly without blocking the main CPU, while bulk erase supports factory reset flows. Design practice in these products includes biasing WP high after provisioning so retail units cannot have their firmware region overwritten by malicious code. Because this segment is cost-driven, migration typically lands on Winbond W25Q64 equivalents, which are actively produced and pin-mappable in 16-lead SOIC.
Recommandé
Telematics and Data-Logger Event Storage
Vehicle telematics units and industrial data loggers record event buffers and GPS traces into non-volatile storage, and the M25P64-VMF3TPB's automotive grade, 8 MB capacity, and low-pin-count SPI interface make it a natural fit. The device's power-ramp protection and block-protect bits guard the file-allocation region against corruption when engines crank and supplies droop - a common failure mode for logger designs. In the data path, the host MCU streams sensor records over SPI at 25-50 MHz into page-program buffers, amortizing program overhead while sustaining kilobytes-per-second logging; HOLD lets an interrupt-driven CAN task preempt long erase-free readbacks. One design caution: erase granularity means wear management is the firmware's job, so log writes should be spread across sectors. New telematics platforms should specify MT25QL automotive parts for supply continuity.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour M25P64-VMF3TPB — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | M25P64-VMF3TGBA | M25PX64SVMF6F | W25Q64JVSFIM |
|---|---|---|---|---|
| Brand | Micron Technology | Micron Technology (Numonyx-era suffix) | Micron Technology | Winbond Electronics |
| Package | 16-SOIC W (7.50 mm body) | 16-SOIC W (PDSO16) - same | 16-SOIC W (SO16W) - same | 16-SOIC (208-mil) - same footprint class |
| Density | 64 Mbit (8M x 8) | 64 Mbit (8M x 8) | 64 Mbit (8M x 8) | 64 Mbit (8M x 8) |
| Interface | SPI (Mode 0/3) | SPI (Mode 0/3) | SPI + dual-output read | SPI + dual/quad output |
| Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
| Software Migration Effort | Reference (baseline driver) | None - identical silicon | Low - core instructions preserved | Moderate - status register and instruction map differ |
Principaux différenciateurs
- Same-silicon legacy alternate exists (vs M25P64-VMF3TGBA)
- Dual-output read throughput on the successor (vs M25PX64SVMF6F)
- Supply security favors the cross-brand option (vs W25Q64JVSFIM)
Notes de conception
At the 75 MHz SPI ceiling, treat SCK, SI, SO, and CS as controlled-impedance-class signals: keep total trace length under roughly 10 cm over an unbroken ground plane, and avoid routing SCK adjacent to SO to limit coupling artifacts. Place a 100 nF ceramic decoupling capacitor within a few millimeters of the VCC pin, backed by 1-10 uF of bulk capacitance on the rail. These are standard M25P-family application practices from the Micron datasheet and reference designs; they matter most when the Flash shares a bus with other 3.3 V peripherals.
Do not leave HOLD or WRITE PROTECT floating: a floating HOLD pin can pause a read transaction unexpectedly mid-stream, and an un-driven WP can freeze block-protect bits in an unintended state. Bias both with pull-up resistors (10-47 kohm typical) and drive WP from a host GPIO when field write-protection of the golden image is required. Additionally, respect the power-ramp behavior - the device rejects write-enable sequences during power transitions, but firmware should still gate all Flash operations until the 2.7 V minimum supply is stable and the MCU reset has released.
The device operates on a single 2.7 V to 3.6 V rail shared with other 3.3 V logic, so no level shifting is needed. Current draw is dominated by erase and program operations rather than reads; budget supply headroom for bulk-erase transients on shared rails, and remember that sector/bulk erase times are the longest operations in the instruction set - check the datasheet timing table rather than assuming read-class latencies. Estimated: for typical SPI NOR Flash of this class, a rail sized for a few tens of milliamps continuous plus erase transients is sufficient, but verify against the M25P64 datasheet DC characteristics table.
Because the M25P family is EOL, any new or continuing production should include a second-source strategy now, not at shortage time. The lowest-effort path is M25PX64 (same footprint, near-identical instruction set); the supply-secure path is Winbond W25Q64 in 16-lead SOIC, which requires updating status-register handling, sector maps, and any quad/dual instructions in the driver. The Renesas conversion guide for Micron EOL M25P products (targeting Adesto FUSION and standard Flash) is a useful migration reference for teams that also need FFFF-level qualification documentation.
Informations de conformité
Distributor listings (digchip aggregate, Ampheo) indicate RoHS-compliant, automotive temperature-grade construction. REACH, AEC-Q100 qualification level, lead-free and halogen-free specifics are not stated in the provided web data and must be confirmed on the manufacturer compliance portal.
