M29F160FB55N3F2 - 16Mbit 5V NOR Flash 55ns | Micron
部品番号: M29F160FB55N3F2 ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.8 | $78.00 |
| 100 | $6.95 | $695.00 |
| 500 | $6.2 | $3,100.00 |
| 1,000 | $5.6 | $5,600.00 |
M29F160FB55N3F2 概要
Parallel NOR Flash is a nonvolatile memory technology in which every cell connects directly to an address line, enabling random access read times measured in nanoseconds and in-place code execution (XIP). Within the memory hierarchy, NOR Flash sits alongside DRAM and SRAM as a core memory IC, typically storing boot code and firmware that a microprocessor fetches directly at power-up, unlike NAND Flash which is optimized for sequential mass storage.
Key features of the M29F160FB family include single 5 V operation for both read and program/erase, an embedded program/erase controller that automates byte/word programming and block erase algorithms, and a block-protected architecture with hardware boot-block protection to guard the reset vector code. The 55 ns access time supports zero-wait-state execution from slow microprocessor buses, and standard command sets simplify software driver reuse.
The bottom boot block (FB) variant places the small boot blocks at the bottom of the address map, matching processor designs that locate reset code at address 000000h. Program and erase operations are fully automated by the internal state machine, and the device reports status via data polling and toggle bits, eliminating software timing loops. The F2 suffix denotes lead-free, halogen-free packaging compliant with RoHS requirements, supporting -40 to +125 C operation for industrial and automotive-adjacent environments.
Typical applications include embedded boot-code storage in industrial control, telecom line cards, set-top boxes, networking equipment, and legacy 5 V microprocessor systems where a wide parallel bus and fast random access are required.
Design consideration: this is a 5 V-only part; ensure the host bus operates at 5 V logic levels or add level shifting, and verify block-protection programming before final PCB assembly.
This page adds value beyond the datasheet by synthesizing distributor pricing, drop-in alternative cross-references, and practical design notes in one place.
ドロップイン代替品: M29F160FB55N3F2 — 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: M29F160FB55N3F2 （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:
M29F160FB5AN6F2
✅ ドロップイン📋 参考代替品（カタログ未掲載）
M29F160FT55N6F2
✅ ドロップイン📋 参考代替品（カタログ未掲載）
M29F160FT5AN6F2
✅ ドロップイン📋 参考代替品（カタログ未掲載）
M29F160FB5AN6S2
✅ ドロップイン📋 参考代替品（カタログ未掲載）
M29W160EB70N3E
✅ ドロップイン✓ 在庫あり
$1.76 / 個
データシートを見る →M29W160ET70N3E
✅ ドロップイン✓ 在庫あり
$4.5 / 個
データシートを見る →M29F160FB55N3F2 最大定格＆電気的特性
| メモリタイプ | Parallel NOR Flash |
| Density | 16777 kbits (16 Mbit) |
| メモリ構成 | 1 Mword x 16 bits / 2 Mbyte x 8 bits |
| Number of Words | 1000 k |
| Bits per Word | 16 bits |
| Access Time | 55 ns |
| 電源電圧 | 5 V |
| Boot Block Architecture | Bottom Boot Block |
| 動作温度 | -40 to +125 C |
| インターフェース | Parallel |
| Package Type | 48-TSOP |
| 実装タイプ | Surface Mount |
| Termination Finish | Lead-free (F2 suffix) |
| Program/Erase Controller | Embedded byte/word program algorithms |
| Block Protection | Hardware boot block protection |
| RoHS ステータス | Compliant (lead-free) |
| Speed Grade (from MPN) | 55 (55 ns) |
M29F160FB55N3F2 48-tsop ピン配置ガイド
M29F160FB55N3F2 (48-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: M29F160FB55N3F2.
詳細は データシート をご参照ください。
主な用途
M29F160FB55N3F2 の用途: 6 件s: Embedded Boot Code Storage, Industrial Control Systems, Telecom Line Cards, Networking Equipment, Set-Top Boxes and Consumer Electronics, Test and Measurement Instrumentation.
Embedded Boot Code Storage
The M29F160FB55N3F2's bottom boot block architecture places small protected blocks at address 000000h, exactly where classic embedded microprocessors fetch their reset vector. With 55 ns random access over a 16-bit parallel bus, the processor can execute-in-place directly from Flash without copying code to RAM at startup, reducing boot time and RAM requirements. The embedded program/erase controller lets field firmware updates run from a simple command interface with data-polling status, while hardware boot block protection prevents accidental corruption of the reset code during in-system reprogramming of application blocks.
おすすめ
Industrial Control Systems
Industrial PLCs, motor controllers, and factory automation modules frequently use 5 V logic and must operate from -40 to +125 C near drives and power electronics. The M29F160FB55N3F2 matches these constraints with its single 5 V supply, industrial temperature range, and 16 Mbit capacity sufficient for control firmware plus configuration tables. Its parallel interface connects directly to 5 V microprocessor buses without level shifting, and the block-protected architecture preserves the integrity of calibration and boot data across power cycles, brownouts, and in-field firmware updates performed by maintenance technicians.
おすすめ
Telecom Line Cards
Telecom racks historically standardized on 5 V backplanes and parallel-bus processors, making the M29F160FB55N3F2 a natural firmware store for line cards, T1/E1 handlers, and protocol converters. The 55 ns access time supports zero-wait-state execution from common telecom microprocessors, and 16 Mbit density holds protocol stacks plus downloadable configuration images. The RoHS-compliant lead-free F2 construction meets environmental directives for carrier equipment, while the -40 to +125 C rating covers unventilated central-office cabinets. Its in-place program/erase capability enables remote firmware upgrades over the management network without board removal.
おすすめ
Networking Equipment
Routers, switches, and bridges based on legacy 5 V embedded processors use the M29F160FB55N3F2 to store boot loaders and network stack firmware. Random access at 55 ns over a 16-bit bus provides deterministic code fetch latency that packet-forwarding software depends on, and 2 Mbytes of capacity accommodates management code, tables, and dual firmware banks for safe roll-back during over-the-network upgrades. The embedded erase/program state machine performs sector updates while the CPU continues reading other blocks in many implementations, simplifying hot firmware-update procedures in carrier and enterprise networking hardware.
おすすめ
Set-Top Boxes and Consumer Electronics
Set-top box and consumer platform designs from the parallel-NOR era used the M29F160FB55N3F2 to hold boot ROM and application code for MPEG decoders and 5 V microcontroller subsystems. The 16-bit-wide organization halves fetch cycles compared with byte-wide memories, improving effective code bandwidth to the decoder CPU, while the 55 ns access time avoids wait states on common consumer media processors. Hardware sector protection secures conditional-access boot code, and the lead-free F2 package satisfies global consumer RoHS requirements for mass-market distribution of these devices.
おすすめ
Test and Measurement Instrumentation
Bench instruments such as oscilloscopes, data loggers, and signal generators need nonvolatile storage that survives power loss and supports in-field firmware upgrades. The M29F160FB55N3F2 provides 16 Mbit of boot and application storage with guaranteed -40 to +125 C operation for portable and rack instruments used in harsh environments. Its parallel 16-bit interface attaches directly to legacy 5 V instrument processors at 55 ns access, and the block-protection scheme isolates the bootloader from measurement-firmware partitions, so a failed update can always roll back to protected factory code through the standard command interface.
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: M29F160FB55N3F2 — 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 | M29F160FB5AN6F2 | M29F160FT55N6F2 | M29F160FT5AN6F2 | M29W160EB70N3E |
|---|---|---|---|---|---|
| Package | 48-TSOP | 48-TSOP - same | 48-TSOP - same | 48-TSOP - same | 48-TSOP - same |
| Brand | Micron Technology | Micron Technology | Micron/Numonyx | Micron Technology | Micron Technology |
| Density | 16 Mbit | 16 Mbit | 16 Mbit | 16 Mbit | 16 Mbit |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 3 V |
| Access Time | 55 ns | 60 ns class | 55 ns | 60 ns class | 70 ns |
| Boot Block Location | Bottom | Bottom | Top | Top | Bottom |
主な差別化要因
- Bottom boot block for reset-vector code （vs M29F160FT55N6F2)
- Fastest speed grade in family （vs M29F160FB5AN6F2)
- Single 5 V supply compatibility （vs M29W160EB70N3E)
- Industrial temperature range （vs M29F160FB5AN6S2)
設計ノート
The M29F160FB55N3F2 operates from a single 5 V supply for both read and program/erase. During program and erase operations, supply current rises well above the read-mode level, so size the 5 V rail and decoupling network (typically 0.1 uF ceramic per device plus bulk capacitance per bank) for worst-case write current, not read current. Do not connect this device to a 3.3 V bus without level shifting - the M29W160 series is the correct 3 V family member.
Boot block location is the most common substitution error: the FB (bottom boot) and FT (top boot) variants are pin-compatible but map small blocks to opposite ends of the address space. Swapping them silently misplaces reset-vector code. Before substituting M29F160FT55N6F2, confirm your processor's reset vector address and, if necessary, adjust the linker script. Also verify the speed grade: AN6 parts are 60 ns class versus 55 ns for this part, which matters for zero-wait-state bus timings.
For the 48-TSOP package, route the 16-bit data bus with roughly matched lengths where the processor runs above ~50 MHz equivalent bus rates, and place the 0.1 uF decoupling capacitor within 2-3 mm of the VCC pins. The TSOP fine pitch (0.5 mm) requires careful solder-paste stencil design to avoid bridging; follow IPC-recommended TSOP land patterns and inspect with X-ray or AOI for hidden voids under the lead rows.
Because the part is obsolete, purchase only from distributors who can provide date-code traceability and authenticity verification; TSOP Flash is a common counterfeit target. For new designs, plan migration to a modern 3 V SPI NOR (for example the N25Q/M25P series) and budget firmware rework for the different command interface.
コンプライアンス情報
F2 suffix designates Micron lead-free packaging. RoHS compliance inferred from the F2 lead-free ordering code; REACH, halogen-free, and conflict-minerals status not stated in provided data.
