M25P16-VMF3PB - 16Mbit SPI NOR Flash 75MHz | Micron
MPN: M25P16-VMF3PB ✓ Hoạt độngM25P16-VMF3PB Tóm tắt
Serial NOR Flash is a non-volatile memory category that stores code and data in a NOR array architecture, allowing random access to any address through a simple serial peripheral interface (SPI). In the system memory hierarchy, it sits alongside parallel NOR and NAND Flash as a code-storage device, and is a direct descendant of the Numonyx/ST M25P family later acquired into the Micron portfolio. Compared with parallel Flash, SPI NOR reduces pin count, board area, and controller I/O requirements, which is why it dominates boot-code and firmware-storage roles in embedded designs.
Key features of the M25P16-VMF3PB include its 75 MHz maximum clock frequency for fast code shadowing and XIP-style access, 2 Mb x 8 organization with 32 sectors of 64 Kbyte each (4 Kbyte subsector granularity via standard erase commands), advanced write-protection mechanisms, and deep power-down mode for minimum standby consumption. The automotive-grade suffix (PB, extended temperature) supports designs qualified to demanding environmental requirements.
Architecturally, the device executes a standard SPI command set: READ and FAST_READ for data retrieval, PAGE PROGRAM for 256-byte page writes, SECTOR ERASE and BULK ERASE for content management, plus status-register and write-protect commands. The dedicated HOLD pin pauses serial communication without releasing the bus, and a hardware reset pin (S_RST on the 16-pin package) allows recovery of the serial interface.
Typical applications include boot firmware storage for DSPs and microcontrollers, FPGA configuration bitstreams, parameter and calibration data storage in automotive modules, industrial drives, and set-top-box platforms.
When designing with this device, verify hold times at the full 75 MHz clock and decouple VCC with 100 nF close to the supply pin; the 16-SOP2 footprint is wider than the 8-SO variant, so confirm the land pattern before second-sourcing.
This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho M25P16-VMF3PB — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với M25P16-VMF3PB (cùng hình factor và footprint) — khác nhau ở Interface, Memory Type, Operating Temperature, Package, Write Protection.
M25P16-VMF6PB
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
M25P16-VMF3P
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
M25PE16-VMF3PB
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
M25P16-VMF3TPB
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →M25P16-VMN3P
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
M25P16-VMF3PB Tỷ lệ tối đa & tính chất điện
| Kiểu bộ nhớ | NOR Flash, Serial SPI |
| Kích thước bộ nhớ | 16 Mbit (2 Mb x 8) |
| Giao diện | SPI-compatible bus |
| Tần số xung maksimum | 75 MHz |
| Điện áp cung cấp | 2.7 V to 3.6 V |
| Tổ chức | 2M x 8 |
| Access Time | 15 ns |
| Hộp | 16-SOP2 (16-SO), surface mount |
| Nhiệt độ hoạt động | -40 C to +125 C |
| Program Command | PAGE PROGRAM, 256-byte pages |
| Erase Granularity | Sector erase (64 Kbyte) / Bulk erase |
| Write Protection | Advanced write-protection mechanisms |
| Power-Down Mode | Deep power-down supported |
| Grade | Automotive (extended temperature) |
| Kiểu lắp đặt | Surface Mount |
| Packing | Tape & Reel (PB suffix) |
Cấu hình chân M25P16-VMF3PB
| Chân 1 | HOLD — Hold serial communication (pause without releasing bus) |
| Chân 2 | VCC — Power supply, 2.7 V to 3.6 V |
| Chân 3 | NC — Not connected (per datasheet) |
| Chân 4 | NC — Not connected (per datasheet) |
| Chân 5 | NC — Not connected (per datasheet) |
| Chân 6 | NC — Not connected (per datasheet) |
| Chân 7 | S_RST — Hardware reset of serial interface |
| Chân 8 | SI — Serial data input (command/address/data in) |
| Chân 9 | SCK — Serial clock, up to 75 MHz |
| Chân 10 | S# — Chip select, active low |
| Chân 11 | SO — Serial data output |
| Chân 12 | GND — Ground |
| Chân 13 | NC — Not connected (per datasheet) |
| Chân 14 | NC — Not connected (per datasheet) |
| Chân 15 | NC — Not connected (per datasheet) |
| Chân 16 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
M25P16-VMF3PB phù hợp cho 6 Áp dụngs: FPGA Configuration Storage, DSP Boot Firmware Storage, Automotive Module Parameter Storage, Industrial PLC and Motor Drive Firmware, Set-Top Box and Consumer Electronics, Medical Device Code and Data Storage.
FPGA Configuration Storage
The M25P16-VMF3PB stores FPGA configuration bitstreams where its 16 Mbit capacity covers mid-range devices and its 75 MHz SPI clock via FAST_READ minimizes configuration latency versus 20-33 MHz legacy Flash. Placed between the FPGA configuration engine and the 3.3 V rail with 100 nF decoupling, the device streams the bitstream through the SCK/SI/SO lines while the FPGA holds S# low. The S_RST pin allows serial-interface recovery in reconfigurable systems without power cycling. Because configuration errors are unrecoverable at boot, the part's automotive -40 C to +125 C rating and Micron write-protection mechanisms guard the bitstream against accidental sector corruption during field firmware updates.
Được đề xuất
DSP Boot Firmware Storage
DSP boot kernels for SHARC-class processors are commonly held in M25P16 serial NOR; EngineerZone discussions on ADI SHARC booting reference the M25P16 directly as the industry-standard boot device. The 2 Mb x 8 organization maps naturally to byte-addressed boot loaders, and the 75 MHz clock shortens boot time: Estimated: reading a 512 Kbyte kernel at 75 MHz with FAST_READ takes roughly 60 ms versus ~150 ms at 33 MHz. The device sits between the DSP SPI master and the 2.7-3.6 V supply, requiring only chip-select, clock, and two data lines. Its deep power-down mode keeps residual system power near zero after boot completes, an advantage in battery-backed instruments.
Được đề xuất
Automotive Module Parameter Storage
In automotive ECUs, body controllers, and sensor modules, the M25P16-VMF3PB stores calibration tables, VIN data, and fault logs. Its -40 C to +125 C operating range and automotive suffix (PB) align with under-hood and engine-bay ambient profiles, while the 2.7-3.6 V supply matches standard 3.3 V logic domains derived from the 12 V battery rail. Write protection prevents corruption of safety-relevant calibration during brown-out events; the sector-erase architecture (32 x 64 Kbyte sectors) supports wear-managed logging zones. Designers should implement power-fail detection to avoid interrupted PAGE PROGRAM cycles, since a lost 256-byte page in a calibration table can render the module non-functional until reflashing.
Được đề xuất
Industrial PLC and Motor Drive Firmware
Industrial programmable controllers and motor drives use the M25P16-VMF3PB as non-volatile storage for firmware images, IEC-style application code, and parameter sets. The wide -40 C to +125 C temperature range tolerates cabinet and drive-heat environments, and the 15 ns access figure reflects internal SRAM-like read pipelines through FAST_READ at the SPI clock. Because industrial boards must survive years of field updates, the advanced write-protection mechanisms lock a golden-image sector that a bootloader can restore from after a failed update. The SPI bus also simplifies isolation: only four signals cross any galvanic-isolation barrier, unlike parallel Flash with dozens of address/data lines.
Được đề xuất
Set-Top Box and Consumer Electronics
Set-top boxes, networked cameras, and smart-home hubs historically used M25P-class serial NOR for boot code and secure-loader storage. The M25P16-VMF3PB's 16 Mbit holds a compact boot loader plus recovery image, while cost-sensitive consumer BOMs benefit from the roughly $1.1-$1.7 unit price band as of 2026-09-02. The 3.3 V SPI interface connects directly to SoC boot ROMs, and the 16-SOP2 wide-body package is friendly to hand assembly and rework on consumer production lines. Note that for consumer-grade (0-70 C) builds, cheaper standard-temperature M25P16 ordering codes exist; the VMF3PB's automotive grade adds margin for enclosed, fanless products running hot.
Được đề xuất
Medical Device Code and Data Storage
Portable diagnostics and clinical monitoring instruments use the M25P16-VMF3PB for storing firmware and patient-session metadata. The extended -40 C to +125 C rating comfortably covers autoclave-adjacent and cold-chain transport conditions, and deep power-down minimizes battery drain between measurement cycles in handheld probes. Its deterministic SPI read timing at 75 MHz supports checksum verification of firmware at power-on within tens of milliseconds - Estimated: CRC over 1 Mbyte at 75 MHz FAST_READ takes about 110 ms, imperceptible in a boot sequence. Micron write protection helps satisfy design-control requirements that calibration constants cannot be altered by application software faults.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho M25P16-VMF3PB — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | M25P16-VMF6PB | M25P16-VMF3P | M25PE16-VMF3PB | M25P16-VMF3TPB | M25P16-VMN3P |
|---|---|---|---|---|---|---|
| Package | 16-SOP2 | 16-SOP2 - same | 16-SOP2 - same | 16-SOP2 - same | 16-SOP2 - same | 16-SOP2 - same |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology | STMicroelectronics | STMicroelectronics |
| Memory Size | 16 Mbit | 16 Mbit | 16 Mbit | 16 Mbit | 16 Mbit | 16 Mbit |
| Max Clock Frequency | 75 MHz | 75 MHz | 75 MHz | 75 MHz | 75 MHz | 75 MHz |
| 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 |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C (industrial) | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C |
| Erase Granularity | Sector (64 Kbyte) / Bulk | Sector (64 Kbyte) / Bulk | Sector (64 Kbyte) / Bulk | Page (4 Kbyte) / Sector / Bulk | Sector (64 Kbyte) / Bulk | Sector (64 Kbyte) / Bulk |
Bảo phân biệt quan trọng
- Automotive temperature grade in wide-body package (vsM25P16-VMN3P)
- Pin-to-pin Micron lineage alternative with identical parameters (vsM25P16-VMF6PB)
- Classic M25P command set vs page-erase family (vsM25PE16-VMF3PB)
- Verified continued availability vs 8-SO competitors (vsW25Q16JVSNIQ)
Ghi chú thiết kế
Decouple VCC with a 100 nF ceramic capacitor placed within 3 mm of pin 2, plus one 4.7 uF bulk capacitor per device bank. Keep SCK traces short (< 100 mm) and avoid routing them adjacent to switching-regulator nodes; at 75 MHz the clock edge rate can couple into SI/SO if ground return is interrupted. The 16-SOP2 wide body (about 10.3 mm span) is wider than an 8-SO, so confirm the land pattern in your CAD library before second-sourcing to an 8-SO competitor.
Do not assert PAGE PROGRAM across a 256-byte page boundary: the address rolls over within the same page and silently corrupts the beginning of the write. Poll the status-register write-in-progress bit or monitor SO toggling before issuing the next command. Also ensure HOLD is pulled high through a resistor if unused, and S_RST is not left floating - floating reset pins are the most common bring-up failure reported for M25P-class devices.
The device operates from 2.7 V to 3.6 V; a 3.3 V rail with +/-5% tolerance (3.14 V to 3.47 V) fits comfortably. In brown-out scenarios, invalidate pending writes by asserting S_RST when the supervisor trips, because a write interrupted below the minimum VCC can leave a partially programmed page. Deep power-down should be entered explicitly after boot in battery instruments; the release command adds only a short wake latency relative to the power savings.
Thông tin tuân thủ
RoHS/REACH compliance not explicitly stated in the retrieved web data; verify on the Micron part-detail page. Automotive temperature grade (-40 C to +125 C) confirmed from distributor data.
