M29F200FT55N3F2 - 2Mbit 55ns 5V NOR Flash | Micron
部品番号: M29F200FT55N3F2 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
M29F200FT55N3F2 概要
Parallel NOR Flash is a nonvolatile memory technology in which each cell connects directly to bit lines, enabling random byte-level access. In the memory hierarchy it sits alongside NAND Flash and serial (SPI) NOR Flash; unlike NAND, NOR offers fast random read access, which makes it the preferred technology for storing executable boot code in embedded processors that XIP (execute-in-place) from the flash device.
Key features of the M29F200FT55N3F2 include the 5V VCC supply, 55ns read access time suitable for many embedded bus timings, embedded byte/word program and erase algorithms handled by an on-chip program/erase controller, and a top boot block architecture that protects bootstrap code in a separate boot sector. The device supports both 8-bit and 16-bit bus operation via the BYTE pin, giving designers bus-width flexibility.
Technically, the device divides the 2Mbit array into boot and main blocks, with block-level erase operations and hardware protection of the boot block region. Status polling and data polling interfaces let the host CPU monitor program/erase completion without busy lines. The industrial temperature range of -40C to +125C supports harsh environments.
Typical applications include firmware storage in industrial control systems, boot code for telecommunications and networking equipment, set-top boxes, and legacy embedded processor designs requiring 5V parallel memory.
Design consideration: verify the boot block location (top for this FT suffix) matches the reset vector of the host processor, and observe proper program/erase sequencing per the manufacturer datasheet.
This page adds value beyond the manufacturer page by synthesizing pricing tiers, drop-in alternatives, and practical design notes in one place.
ドロップイン代替品: M29F200FT55N3F2 — 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: M29F200FT55N3F2 （同一形状・フットプリント） — 相違点: Organization, Memory Type, Packaging, Density, Package.
クイック比較ツール — 並列比較する代替部品を選択:
M29F200FB55N3F2
✅ ドロップイン✓ 在庫あり
$4.2 / 個
データシートを見る →M29F200FT55M3F2
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$1.85 / 個
データシートを見る →M29F160FT55N3F2
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$4.9 / 個
データシートを見る →M29F160FB55N3F2
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$5.6 / 個
データシートを見る →M29F200FT55N3F2 TR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
M29F200FT55N3F2 最大定格＆電気的特性
| メモリタイプ | NOR Flash, Parallel |
| Density | 2 Mbit (2097 kbits) |
| メモリ構成 | 256K x 8-bit / 128K x 16-bit |
| Supply Voltage (VCC) | 5 V |
| Access Time | 55 ns |
| Number of Words | 128 K |
| Bits per Word | 16 bits |
| Boot Block Architecture | Top Boot Block |
| Program/Erase | Embedded byte/word program algorithms |
| 動作温度 | -40C to +125C |
| パッケージ | 48-pin TSOP |
| 実装タイプ | Surface Mount |
| インターフェース | Parallel, BYTE pin selects 8/16-bit bus |
| Packaging | Tape & Reel (TR suffix) |
M29F200FT55N3F2 48-pin tsop ピン配置ガイド
M29F200FT55N3F2 (48-pin tsop パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: M29F200FT55N3F2.
詳細は データシート をご参照ください。
主な用途
M29F200FT55N3F2 の用途: 6 件s: Industrial Controller Firmware Storage, Networking and Telecommunications Boot Code, Set-Top Box and Consumer Embedded Firmware, Legacy 5V Embedded Processor Designs, Automotive-Adjacent Test and Diagnostic Equipment, Medical Device Service Modules.
Industrial Controller Firmware Storage
In industrial PLC and motor-control boards, boot and application firmware must survive power loss and be executable immediately at reset. The M29F200FT55N3F2 fits because its 55ns random access supports execute-in-place from the host processor's parallel bus, eliminating a RAM shadow-load step for boot code. The 5V supply matches legacy industrial logic families (74HC/ABT buffers, 5V microcontrollers), and the top boot block isolates the reset vector from field-updatable application sectors. With an operating range of -40C to +125C, the part is suitable for sealed cabinets and hot machinery rooms. Place 0.1uF decoupling at VCC and route address lines of equal length to keep the 55ns timing margin.
おすすめ
Networking and Telecommunications Boot Code
Routers, switches, and line cards typically store a small bootloader plus a compressed OS image in parallel NOR. The M29F200FT55N3F2's 55ns access time meets the timing of 5V-era bus controllers, and its embedded program/erase controller lets the CPU issue simple command sequences and poll status instead of managing programming pulses. The top boot block protects the bootstrap loader, so a failed field firmware update never bricks the card. The 8/16-bit bus selection via the BYTE pin lets one footprint serve both 8-bit management buses and 16-bit data paths. Allocate the boot sectors as write-protected and reserve main sectors for the downloadable image.
おすすめ
Set-Top Box and Consumer Embedded Firmware
Set-top boxes, DVD players, and consumer embedded controllers of the 5V design generation stored their firmware in 2Mbit parallel NOR Flash. The M29F200FT55N3F2 suits this role: 2Mbit holds a compressed firmware image, 55ns access supports direct XIP execution, and the embedded program/erase controller simplifies field-update drivers. The top boot block protects the IR-decoder boot stub and channel tables from accidental overwrite during upgrades. For cost-sensitive consumer designs, a single 48-pin TSOP footprint keeps assembly simple, and the -40C to +125C range comfortably covers indoor consumer ambient conditions with margin.
おすすめ
Legacy 5V Embedded Processor Designs
Many fielded designs built around 5V microcontrollers (68HC11, 8051 derivatives, older ARM7 boards) require a 5V-only parallel flash that modern 3V parts cannot replace without level shifting. The M29F200FT55N3F2 directly replaces such devices: the 5V VCC matches the processor supply, the 55ns access time meets or exceeds typical EPROM timing, and the BYTE pin configures the 256K x 8 organization used by 8-bit buses. Because the device is offered in the same 48-TSOP footprint as other M29F family members, service replacements are straightforward. Verify the boot block orientation (top) against the processor's reset vector before substituting.
おすすめ
Automotive-Adjacent Test and Diagnostic Equipment
Bench and factory diagnostic instruments often retain legacy 5V parallel buses and need small nonvolatile code storage. The M29F200FT55N3F2 provides 2Mbit with 55ns reads, an embedded program/erase controller for in-system firmware updates, and hardware boot-block protection for the diagnostic kernel. Its -40C to +125C operating range supports unheated test cells and engine-bay fixtures. Since erase operations are block-based, the tester firmware can reflash measurement tables in the main blocks without touching the protected boot region, minimizing downtime. Keep 10uF bulk plus 0.1uF local decoupling because program/erase current spikes occur during write cycles.
おすすめ
Medical Device Service Modules
Service and calibration modules in medical equipment commonly store calibration constants and firmware in parallel NOR because data integrity and immediate readability at power-on are mandatory. The M29F200FT55N3F2 offers 55ns read access, so calibration code executes directly from flash at reset, and the top boot block keeps the protected calibration loader isolated from updateable parameter sectors. The 5V supply integrates with legacy 5V analog front-end boards found in serviced equipment, and the 2Mbit capacity is adequate for parameter tables plus diagnostics. Design update routines to use the embedded controller's status polling rather than fixed delays for reliable programming across units.
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: M29F200FT55N3F2 — 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 | M29F200FB55N3F2 | M29F200FT55M3F2 | M29F160FT55N3F2 | M29F160FB55N3F2 |
|---|---|---|---|---|---|
| Package | 48-pin TSOP | 48-pin TSOP - same | 48-pin TSOP - same | 48-pin TSOP - same | 48-pin TSOP - same |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Density | 2 Mbit | 2 Mbit | 2 Mbit | 16 Mbit | 16 Mbit |
| Organization | 256K x 8 / 128K x 16 | 256K x 8 / 128K x 16 | 256K x 8 / 128K x 16 | 2M x 8 / 1M x 16 | 2M x 8 / 1M x 16 |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V |
| Access Time | 55 ns | 55 ns | 55 ns | 55 ns | 55 ns |
| Boot Block Location | Top Boot | Bottom Boot | Top Boot | Top Boot | Bottom Boot |
主な差別化要因
- Top boot block protects the reset vector （vs M29F200FB55N3F2)
- 2Mbit density keeps cost minimal for small firmware （vs M29F160FT55N3F2)
- 55ns access time supports XIP （vs M29F160FB55N3F2)
設計ノート
Verify the boot block location before substituting parts. The FT suffix is a Top Boot Block device; swapping in an FB (Bottom Boot) part will leave the processor's reset vector outside the protected boot region, causing a failed boot. The M29F200FB55N3F2 is pin-compatible but must only be used when the host reset vector is at the bottom of the map or firmware routines are updated accordingly.
The device operates from a single 5V VCC. During program/erase operations, supply current spikes occur; place a 10uF bulk capacitor plus 0.1uF ceramic capacitor close to each VCC pin to keep supply droop within specification. Do not power the device from a marginal 4.5V rail during write operations, and sequence VCC before driving address/data lines from the host bus.
With a 55ns access time, address setup and chip-enable timing must be validated across the -40C to +125C range, not just room temperature. Keep address bus trace lengths matched where possible and add series termination (22-33 ohm) on long address lines to limit ringing. In 8-bit mode the upper pins become address inputs - ensure the BYTE strap is stable at reset per the manufacturer datasheet.
Use the standard 48-pin TSOP footprint with 0.5mm pitch. Provide adequate copper for ground return and avoid routing fast address lines under the package between pins, which can crosstalk into sense-amp inputs. If in-system programming is used, ensure the programming voltage/timing constraints in the manufacturer datasheet are respected and that status polling (data poll / toggle bit) is implemented rather than fixed delay loops.
コンプライアンス情報
Compliance statements were not present in the verified web data retrieved on 2026-09-05. Consult the Micron part-detail page for the official product environmental report.
