M25P80-VMN3PB - 8Mbit SPI NOR Flash 75MHz SOIC-8 | Micron
部品番号: M25P80-VMN3PB ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $1.25 | $1.25 |
| 10 | $1.12 | $11.20 |
| 100 | $0.98 | $98.00 |
| 500 | $0.86 | $430.00 |
| 1,000 | $0.75 | $750.00 |
M25P80-VMN3PB 概要
Serial NOR flash is a nonvolatile memory category that stores code and data without power and is accessed over a reduced-pin serial interface rather than a parallel bus. Within the memory hierarchy, serial NOR flash sits under NOR flash and memory ICs broadly, and it is the dominant firmware-storage technology for embedded systems because boot code must be directly executable (XIP) from a random-access, byte-addressable nonvolatile array.
Key features include 8Mbit density organized as 1M x 8 bits, sector erase (64KB sectors) and bulk erase capability, page programming of up to 256 bytes in 0.64 ms typical, and a 75 MHz maximum SPI clock for fast code shadowing. The standard SPI command set makes the device broadly compatible with MCU QSPI controllers.
The M25P80 architecture uses a single die with a serial peripheral interface (SPI) supporting Read, Fast Read, Page Program, Sector Erase, Bulk Erase, and status-register commands. The HOLD and Write-Protect (W) pins allow suspend/resume of serial communication and hardware protection against accidental program or erase operations.
Typical applications include firmware/code storage for microcontrollers, FPGA bitstream storage, LCD/display configuration storage, and industrial control systems where reliable nonvolatile code storage is required at low cost.
A key design consideration is program/erase endurance: verify erase-before-program sequencing in software and respect sector erase cycle limits for write-intensive logging; for frequent data logging, consider pairing with an EEPROM.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: M25P80-VMN3PB — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: M25P80-VMN3PB （同一形状・フットプリント） — 相違点: Memory Type, Organization, Supply Voltage, Memory Size, Package.
クイック比較ツール — 並列比較する代替部品を選択:
M25P16-VMN3PB
✅ ドロップイン✓ 在庫あり
$0.98 / 個
データシートを見る →M25P40-VMN3PB
✅ ドロップイン✓ 在庫あり
$0.62 / 個
データシートを見る →M25P32-VMF3TPB
✅ ドロップイン✓ 在庫あり
$1.58 / 個
データシートを見る →M25P10-AVMN3P/X
✅ ドロップイン✓ 在庫あり
$0.75 / 個
データシートを見る →N25Q032A13EF4A0F
✅ ドロップイン✓ 在庫あり
$1.25 / 個
データシートを見る →M25P80-VMN3PB 仕様
| メモリタイプ | FLASH - NOR Memory IC |
| メモリサイズ | 8 Mbit (1M x 8) |
| インターフェース | SPI |
| 最大クロック周波数 | 75 MHz |
| 電源電圧 | 2.7 V to 3.6 V |
| Page Program Time | 0.64 ms typ (up to 256 bytes) |
| メモリ構成 | 1M x 8 bit |
| 実装タイプ | Surface Mount |
| パッケージ | 8-SO (SOIC-8) |
| Erase Capability | Sector erase and bulk erase |
| Write Protect | Hardware write protect (W pin) |
| Hold Function | Yes (HOLD pin) |
| Access Time | 8 ns |
M25P80-VMN3PB ピン構成
| ピン 1 | S — Chip Select (active low) |
| ピン 2 | Q — Serial Data Output (MISO) |
| ピン 3 | W — Write Protect (active low) |
| ピン 4 | VSS — Ground |
| ピン 5 | D — Serial Data Input (MOSI) |
| ピン 6 | C — Serial Clock |
| ピン 7 | HOLD — Hold (suspends serial communication) |
| ピン 8 | VCC — Power supply (2.7 V to 3.6 V) |
主な用途
M25P80-VMN3PB の用途: 6 件s: MCU Firmware Storage, FPGA Bitstream Storage, Industrial Control Systems, Display and Audio Configuration Storage, Networking and IoT Edge Devices, Battery-Powered Portable Devices.
MCU Firmware Storage
The M25P80-VMN3PB is a natural fit for storing boot and application firmware on 3.3V microcontroller systems. Its 8Mbit array holds roughly 1MB of code, while the 75 MHz maximum SPI clock and Fast Read command allow rapid shadowing of firmware into MCU RAM at reset, minimizing boot latency. The 256-byte page program in 0.64 ms typical enables efficient in-field firmware updates, and the hardware W pin locks the boot sector against corruption during normal operation. Connected via the MCU's QSPI/standard SPI controller with S, D, Q, C lines and 10k pull-ups on S and W, it requires no additional glue logic. For OTA-updatable products, implement dual-bank layout with a 64KB sector reserved as the update staging area.
おすすめ
FPGA Bitstream Storage
The M25P80-VMN3PB stores FPGA configuration bitstreams in master-SPI configuration mode. The 8Mbit (1MB) capacity covers many small and mid-range FPGA bitstreams with headroom, and the 75 MHz Fast Read supports the configuration clock speeds FPGA loaders require for acceptable power-up time. The SPI command set compatibility of the M25P family with vendor configuration engines means minimal or no custom loader firmware. Designers should reserve a second 64KB sector for a golden-image backup where remote update is planned, and hold S and W high with pull-up resistors so the flash is not selected or written during power supply ramp. Verify the bitstream size plus user data fits within 1MB before finalizing partitioning.
おすすめ
Industrial Control Systems
In PLC I/O modules, motor-control boards, and factory sensors, the M25P80-VMN3PB provides nonvolatile storage of calibration tables, device configuration, and firmware over a -40C industrial temperature envelope (verify grade in the Micron datasheet). The 2.7V-3.6V supply connects directly to the 3.3V logic rail, and the hardware W pin protects configuration data from accidental writes during noisy power events common on factory floors. Sector erase (64KB) architecture lets designers isolate frequently updated parameters into one sector, preserving erase life in the rest of the array. Use bulk erase only at manufacturing time, and implement a write-verify-after-program routine in the driver to guarantee data integrity in electrically noisy environments.
おすすめ
Display and Audio Configuration Storage
LCD controller configurations, gamma tables, touch-calibration data, and audio DSP parameter sets are commonly stored in serial NOR flash. The M25P80-VMN3PB's 1MB array holds multiple configuration profiles, and the 75 MHz SPI interface streams table data fast enough for initialization at display power-up without visible delay. The W pin enables a 'config locked' scheme: field service can unlock writes with a jumper, protecting shipped settings from software bugs. Because these systems rarely rewrite configuration, the low write frequency keeps erase-cycle wear negligible across product lifetime. Connect HOLD to the host's SPI-bus suspend signal so display DMA or audio interrupts can share the SPI controller without re-initializing a read transaction.
おすすめ
Networking and IoT Edge Devices
Wi-Fi/Bluetooth modules, gateways, and IoT edge nodes use serial NOR flash for module firmware, device certificates, and sensor calibration data. The M25P80-VMN3PB's SPI interface and 3.3V operation match typical SoC/MCU boot ROM expectations, and the 75 MHz Fast Read keeps secure-boot verification time short. Designers should reserve sectors for certificate storage with hardware W-pin protection so a compromised application cannot overwrite identity data. For OTA fleets, log the new-image CRC into a dedicated sector before rebooting, enabling watchdog-based rollback. Estimated: with 64KB sectors and a modest 10 erase cycles/year update schedule, the array's endurance budget is never a practical limit for this use case.
おすすめ
Battery-Powered Portable Devices
In portable meters, dataloggers, and wearables, the M25P80-VMN3PB stores application code and logged data at low cost in a compact 8-SO footprint. Deep power-down style standby behavior (via command) and the HOLD pin minimize current draw during intermittent SPI access from a duty-cycled MCU; the 2.7V low-end supply allows operation down to two NiMH cells or a near-depleted Li-ion cell through a 3.0V LDO. Program operations complete in 0.64 ms typical, so bulk logging writes consume little energy per record. Estimated: at a 10 Hz logging rate with 32-byte records, one page per 256 records yields negligible daily erase activity, preserving array endurance for the product's lifetime.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: M25P80-VMN3PB — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | M25P16-VMN3PB | M25P40-VMN3PB | M25P32-VMF3TPB | M25P10-AVMN3P/X | N25Q032A13EF4A0F |
|---|---|---|---|---|---|---|
| Package | 8-SO (SOIC-8) | 8-SO (SOIC-8) - same | 8-SO (SOIC-8) - same | 8-SO (SOIC-8, 150mil VMF body) | 8-SO (SOIC-8) - same | 8-SO (SOIC-8) - same |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Memory Size | 8 Mbit (1M x 8) | 16 Mbit | 4 Mbit | 32 Mbit | 1 Mbit | 32 Mbit |
| Interface | SPI | SPI | SPI | SPI | SPI | SPI (extended SPI, dual/quad capable variant) |
| 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 | 2.7 V to 3.6 V | 2.7 V to 3.6 V (13 = 3V rail) |
| Lifecycle Status | EOL (M25P family discontinued by Micron) | EOL | EOL | EOL | EOL | Active successor family |
主な差別化要因
- 8Mbit density with 64KB sector granularity （vs M25P16-VMN3PB)
- Tube packing for manual/low-volume assembly （vs M25P80-VMN3TPB (tape and reel))
- Classic M25P command set compatibility （vs N25Q032A13EF4A0F)
- Trade-off: EOL status limits supply security （vs M25P40-VMN3PB)
設計ノート
Place the M25P80-VMN3PB within 2-3 cm of the host SPI controller with series resistors (22-33 ohm) on the C (clock) line to control ringing at 75 MHz operation. Pull S and W up to VCC with 10 kohm resistors so the device is deselected and write-protected during MCU reset and power-ramp; otherwise random clock edges during boot can corrupt the first page. Route Q away from C to minimize crosstalk, and keep traces under 10 cm to avoid needing full transmission-line treatment on this SPI bus.
Decouple VCC (pin 8) with a 100 nF ceramic capacitor placed within 5 mm of the pin, plus a 4.7-10 uF bulk capacitor per flash rail. Program and erase operations draw transient current; a weak supply can cause program errors that a status-register check will not always catch. Verify VCC stays within 2.7-3.6V during program bursts, and avoid sharing the flash supply with a noisy switching regulator stage without local decoupling. Estimated: a 100 nF + 10 uF combination comfortably covers the transient demand of 0.64 ms page programs.
Three frequent mistakes with the M25P80: (1) mixing up the write-enable sequence - every Page Program or Erase must be preceded by a Write Enable command or the operation silently does nothing; (2) leaving the W (write protect) pin floating - it must be actively pulled high for writes and can be pulled low to lock the array; (3) programming without erasing - NOR flash can only clear bits, so attempt to program a non-erased page yields corrupted data. Always poll the status register write-in-progress bit before issuing the next command. These behaviors are documented in the manufacturer datasheet typical-command descriptions.
At 75 MHz SPI, use Fast Read timing: honor the clock-low-to-data-valid time from the datasheet AC table and confirm your controller's capture edge setup margin. If read failures appear at high temperature, drop to 50 MHz or use the Slow Read command with longer valid-data windows. The HOLD pin allows suspending a read when the bus master must service an interrupt without restarting the transaction - drive it high during normal operation and never let it float, as a floating HOLD can stall the output randomly.
コンプライアンス情報
Compliance details were not present in the provided verified web data; Mouser listing mentions 'UT' (ultimate/lead-free) designation but full RoHS/REACH status should be confirmed on the Micron part catalog page.
