M29W160FB70N3E - 16Mb 3V Parallel NOR Flash 70ns | Micron
部品番号: M29W160FB70N3E ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $4.45 | $4.45 |
| 10 | $4.23 | $42.30 |
| 100 | $4.01 | $401.00 |
| 500 | $3.79 | $1,895.00 |
| 1,000 | $3.58 | $3,580.00 |
M29W160FB70N3E 概要
Parallel NOR Flash is a nonvolatile memory technology that allows random access to any byte via a parallel address bus, making it suitable for code storage (XIP - execute-in-place) in embedded systems. Within the memory hierarchy, it belongs to the Flash memory family, alongside NAND Flash and serial NOR (SPI) devices, and is commonly used as the boot memory of a microprocessor-based system because of its fast random read capability and high reliability.
Key features of the M29W160FB include a single 3.0 V to 3.6 V supply (VCC) for program, erase, and read operations, 70 ns access time, boot block architecture, and dual x8/x16 bus configurations selected by the BYTE# pin. Block-protected operation and command-set-programming via standard commands simplify firmware drivers.
The device uses Micron's advanced NOR Flash cell technology with internal program and erase state machines. Program and erase operations are monitored via data polling and toggle-bit status, allowing simple software integration. Typical block program times and erase times are specified in the manufacturer datasheet.
Typical applications include set-top boxes, networking and telecom equipment boot code, industrial control firmware storage, automotive infotainment modules (non-safety), and legacy embedded processor systems requiring parallel NOR.
Design consideration: because this is a mature parallel NOR product family, verify lifecycle status and secure a last-time-buy strategy or pin-compatible second source early in new designs.
This page synthesizes distributor pricing, drop-in alternatives within the M29W160 family, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: M29W160FB70N3E — 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: M29W160FB70N3E （同一形状・フットプリント） — 相違点: Memory Size, Organization, Package, Memory Type, Packaging.
クイック比較ツール — 並列比較する代替部品を選択:
M29W160EB70N3E
✅ ドロップイン✓ 在庫あり
$1.76 / 個
データシートを見る →M29W160FB70N3F
✅ ドロップイン📋 参考代替品（カタログ未掲載）
M29W160EB70N3F
✅ ドロップイン✓ 在庫あり
$1.01 / 個
データシートを見る →M29W160EB70N6E
✅ ドロップイン📋 参考代替品（カタログ未掲載）
M29W800FT70ZA3SE
✅ ドロップイン✓ 在庫あり
$1.38 / 個
データシートを見る →M29W160FB70N3E 最大定格＆電気的特性
| メモリタイプ | FLASH - NOR |
| メモリサイズ | 16 Mbit (2M x8 / 1M x16) |
| Access Time | 70 ns |
| インターフェース | Parallel |
| Supply Voltage (VCC) | 3.0 V to 3.6 V |
| Programming Voltage | Single supply (no separate VPP required) |
| Bus Configuration | x8 / x16 selectable (BYTE# pin) |
| Architecture | Boot block |
| パッケージ / ケース | 48-TFSOP (0.724 in, 18.40 mm width) |
| 実装タイプ | Surface Mount |
| Packaging | Tray |
| Status Output | Data polling / toggle bit |
| Block Protection | Yes (boot block protection) |
M29W160FB70N3E 48-tfsop (0.724 in, 18.40 mm width) ピン配置ガイド
M29W160FB70N3E (48-tfsop (0.724 in, 18.40 mm width) 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: M29W160FB70N3E.
詳細は データシート をご参照ください。
主な用途
M29W160FB70N3E の用途: 6 件s: Set-Top Box Boot Memory, Networking and Telecom Equipment, Industrial Control Firmware Storage, Legacy Embedded Processor Boot ROM, Automotive Infotainment (Non-Safety) Modules, Test and Measurement Instrument Firmware.
Set-Top Box Boot Memory
Set-top boxes require nonvolatile boot code storage with fast random access, and the M29W160FB70N3E fits this role with its 70 ns parallel access time and boot block architecture. The processor fetches reset code directly from Flash (execute-in-place) over the x16 bus, so no shadow RAM copy step delays startup. Placed on the CPU's 3.3 V memory bus with CE#, OE#, and WE# control lines, the 3.0 V to 3.6 V supply range matches the standard system rail. The 16 Mbit density comfortably holds bootloader, firmware image, and parameters; the boot block protection prevents accidental corruption of startup code during firmware updates over the network.
おすすめ
Networking and Telecom Equipment
Routers, switches, and telecom line cards use parallel NOR Flash as their boot and firmware memory, and the M29W160FB70N3E meets the need with a 70 ns access time suitable for zero-wait-state code fetch on many embedded CPUs. The 2M x8 / 1M x16 bus configurability lets the same design support both 8-bit legacy processors and 16-bit network processors via the BYTE# pin. Operating from the standard 3.3 V rail, the part coexists with DRAM and Ethernet PHYs without extra supplies. Block protection secures the bootloader while application firmware regions are field-updated, and the 16 Mbit capacity supports dual-image fail-safe update schemes common in remotely managed network hardware.
おすすめ
Industrial Control Firmware Storage
Industrial PLCs, motor drives, and process controllers store their control firmware in NOR Flash, where the M29W160FB70N3E's 70 ns random access and boot block protection deliver deterministic startup. Industrial environments demand long product lifetimes and reliable nonvolatile storage across power interruptions; parallel NOR's high endurance and bit-level random access support both code execution and small configuration tables. The 3.0 V to 3.6 V single-supply operation simplifies power design in mixed 5 V/3.3 V industrial backplanes. For boards already qualified with the M29W160 family, the pin-compatible EB/FB variants allow supply-chain risk mitigation without hardware requalification.
おすすめ
Legacy Embedded Processor Boot ROM
Many legacy microprocessor systems (PowerPC, ARM7/9, ColdFire) were architected around parallel NOR buses, and the M29W160FB70N3E serves as replacement boot memory for such platforms. Its 70 ns access time matches the timing assumptions of 1990s-2000s CPU memory controllers, and the standard M29W command set (data polling, toggle-bit status) is already supported by stock U-Boot and vendor bootloader drivers. The 48-TFSOP footprint is available on most existing PCBs, making repairs and spares straightforward. The BYTE# pin allows matching either 8-bit or 16-bit memory maps without board changes, ideal for maintaining discontinued industrial and medical equipment.
おすすめ
Automotive Infotainment (Non-Safety) Modules
Non-safety automotive electronics such as infotainment head units and telematics boxes use parallel NOR for boot code, and the M29W160FB70N3E provides the required 16 Mbit capacity, 70 ns read performance, and 3.3 V single-supply operation. Boot code integrity is essential at cold crank and power-cycle events; the boot block protection keeps the reset vector immutable while larger blocks hold the application image updated via OTA mechanisms. Note that this standard-grade part should be verified against the specific automotive qualification level required by the platform; where AEC-Q100 is mandatory, confirm qualification status with Micron before design-in or use in non-safety regions only.
おすすめ
Test and Measurement Instrument Firmware
Bench instruments such as oscilloscopes, spectrum analyzers, and data loggers store measurement firmware and calibration constants in NOR Flash. The M29W160FB70N3E offers 70 ns random access for fast instrument boot and a 16 Mbit array split between code and parameter storage. Calibration data benefits from the fine-grained block programming: only the small parameter block is rewritten during recalibration, preserving endurance on the code blocks. The 3.0 V to 3.6 V operation with data polling status keeps software drivers simple in instruments that remain powered for years, and the tray-packaged 48-TFSOP supports both automated assembly and manual rework on service lines.
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: M29W160FB70N3E — 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 | M29W160EB70N3E | M29W160FB70N3F | M29W160EB70N3F | M29W800FT70ZA3SE |
|---|---|---|---|---|---|
| Package | 48-TFSOP (18.40 mm width) | 48-TFSOP (18.40 mm width) - same | 48-TFSOP (18.40 mm width) - same | 48-TFSOP (18.40 mm width) - same | 48-TSOP - same footprint |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Memory Size | 16 Mbit (2M x8 / 1M x16) | 16 Mbit (2M x8 / 1M x16) | 16 Mbit (2M x8 / 1M x16) | 16 Mbit (2M x8 / 1M x16) | 8 Mbit (1M x8 / 512K x16) |
| Access Time | 70 ns | 70 ns | 70 ns | 70 ns | 70 ns |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Block Architecture | Boot block (FB organization) | Boot block (EB organization) | Boot block (FB organization) | Boot block (EB organization) | Boot block (8 Mb FT organization) |
| Bus Configuration | x8 / x16 (BYTE# pin) | x8 / x16 (BYTE# pin) | x8 / x16 (BYTE# pin) | x8 / x16 (BYTE# pin) | x8 / x16 (BYTE# pin) |
主な差別化要因
- Confirmed same-package drop-in within family （vs M29W160EB70N3E)
- Latest family revision availability （vs M29W160FB70N3F)
- Double the density of the 8 Mbit family member （vs M29W800FT70ZA3SE)
設計ノート
Verify the boot-block map in firmware before swapping EB/FB variants. Although the M29W160EB and M29W160FB share the same 48-TFSOP footprint, pinout, and command set, the erase-block boundaries differ between the E and F boot-block organizations. Code that hard-codes absolute block addresses for firmware updates or parameter storage can corrupt data after a substitution. A build-time block map check (query CFI - Common Flash Interface - and validate expected block layout) prevents field failures when EB parts are used as FB substitutes.
Decouple VCC with a 0.1 uF ceramic capacitor placed within a few millimeters of the TSOP-48 supply pin, plus one bulk 4.7-10 uF capacitor per Flash device. Program and erase operations draw transient currents on the 3.3 V rail; inadequate decoupling shows up as data polling errors during bulk erase. Keep address and data bus trace lengths matched where the CPU runs above approximately 50 MHz to respect the 70 ns access timing window, and add series termination (22-33 ohm) on high-going address lines to control reflections.
The M29W160FB operates from a single 3.0 V to 3.6 V supply for read, program, and erase - no separate VPP is required. Estimated: while read current is in the low tens of milliamps range, program and erase operations draw substantially more peak current; size the 3.3 V rail regulator headroom accordingly when erasing blocks while the CPU is executing from the same device (suspend/resume features may be required). Consult the manufacturer datasheet ICC tables for exact figures before finalizing the power budget.
コンプライアンス情報
N3E suffix corresponds to RoHS-compliant, lead-free packaging per distributor listings (DigiKey, LCSC). REACH, halogen-free, and conflict minerals status not stated in provided data - request compliance documents via RFQ.
