M29W160ET70N3E - 16Mb 3V Parallel NOR Flash 70ns TSOP48 | Micron
部品番号: M29W160ET70N3E ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $6.5 | $6.50 |
| 10 | $5.95 | $59.50 |
| 100 | $5.4 | $540.00 |
| 500 | $4.95 | $2,475.00 |
| 1,000 | $4.5 | $4,500.00 |
M29W160ET70N3E 概要
Parallel NOR flash is a nonvolatile memory technology in which the memory array is addressed directly over a parallel address and data bus, allowing a processor to execute code in place (XIP) without first copying it to RAM. Within the memory hierarchy, NOR flash sits alongside DRAM and SRAM as a main-memory-class device and serves as the boot and code-storage medium in automotive ECUs, industrial controllers, and set-top boxes. Its byte-granular random access and long data retention distinguish it from NAND flash, which offers higher density but only page-based access.
Key features of the M29W160ET70N3E include the 70 ns random-access speed class for zero-wait-state code execution, a dual 8-bit/16-bit bus configuration selected by the BYTE# pin, and a top boot block architecture (the T in the part number) that places the protected boot code at the top of the memory map. The part number suffix E denotes the RoHS-compliant package with standard packing in tray format. Micron's M29W160E family also offers a bottom boot variant (M29W160EB) for designs whose boot code resides at address 0x000000.
Architecturally, the device is organized into uniform blocks with boot blocks, and supports block erase and word/byte program operations with hardware sector protection. The supply operates from a nominal 3V/3.3V rail, and the AEC-Q100 qualification targets the extended temperature ranges typical of under-hood and body-electronics environments. Program and erase automation is handled on-chip, offloading the host microcontroller.
Typical applications include automotive ECU boot code storage, industrial PLC firmware, telecom line-card configuration memory, and legacy x16 code-storage upgrades where TSOP48 footprints must be maintained.
When designing in this device, verify the boot block location (top versus bottom) matches the processor's reset vector, and confirm the 70 ns access time meets the bus timing at the target VCC corner.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: M29W160ET70N3E — 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: M29W160ET70N3E （同一形状・フットプリント） — 相違点: Memory Size, Supply Voltage, Memory Type, Packaging, Organization.
クイック比較ツール — 並列比較する代替部品を選択:
M29W160ET70N3F
✅ ドロップイン✓ 在庫あり
$2.8 / 個
データシートを見る →M29W160EB70N3E
✅ ドロップイン✓ 在庫あり
$1.76 / 個
データシートを見る →M29W160FB70N3E
✅ ドロップイン✓ 在庫あり
$3.58 / 個
データシートを見る →M29W160ET70N3E 最大定格＆電気的特性
| メモリタイプ | NOR Flash (Parallel) |
| メモリサイズ | 16 Mbit |
| メモリ構成 | 2M x 8 / 1M x 16 |
| Access Time | 70 ns |
| インターフェース | Parallel |
| 電源電圧 | 3 V / 3.3 V (nominal) |
| Boot Block Location | Top boot |
| パッケージ | 48-TSOP |
| 実装タイプ | Surface Mount |
| Automotive Qualification | AEC-Q100 qualified |
| Bus Width Selection | BYTE# pin, x8 or x16 |
| Sector Protection | Hardware boot block protection |
| Programming Type | Automatic program and erase |
| Packing | Tray (RoHS-compliant package, standard packing) |
| RoHS ステータス | Compliant (E suffix) |
M29W160ET70N3E 48-tsop ピン配置ガイド
M29W160ET70N3E (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: M29W160ET70N3E.
詳細は データシート をご参照ください。
主な用途
M29W160ET70N3E の用途: 6 件s: Automotive ECU Boot Code Storage, Industrial PLC and Controller Firmware, Set-Top Box and Consumer Electronics Firmware, Telecom Line Card Configuration Memory, Legacy x16 Code-Storage Upgrades and Repair, Test and Measurement Instrument Firmware.
Automotive ECU Boot Code Storage
The M29W160ET70N3E is AEC-Q100 qualified, making it a natural fit for storing boot firmware and calibration code in automotive electronic control units. Its 70 ns access time lets the ECU microcontroller fetch reset and diagnostic routines directly from flash without RAM staging, and the top boot block places the protected boot image at the top of the memory map where many powertrain MCUs expect it. Hardware sector protection prevents accidental corruption of boot code during field reprogramming of application blocks. Placed on a 3.3 V rail with the BYTE# pin strapped for the processor's 16-bit bus, the device delivers execute-in-place code storage with automotive-grade reliability margins.
おすすめ
Industrial PLC and Controller Firmware
Industrial programmable logic controllers and motor-drive controllers require nonvolatile code storage that survives power cycling and harsh electrical environments. The M29W160ET70N3E provides 16 Mbit of parallel NOR storage with byte-granular random access, so the controller boots directly from flash and executes interpretive logic in place. The 3 V/3.3 V supply matches standard industrial logic rails, and automatic program/erase algorithms offload flash management from the host firmware. With hardware boot-block protection and the RoHS-compliant 48-TSOP package, it integrates into lead-free reflow manufacturing while retaining field-upgradability of application blocks via the standard command interface.
おすすめ
Set-Top Box and Consumer Electronics Firmware
Set-top boxes, DVD players, and networked consumer devices store boot loaders and configuration code in parallel NOR flash. The M29W160ET70N3E's 70 ns access time supports the fast boot requirements of these platforms when paired with 16-bit bus SoCs, and its 1M x16 organization matches the wide data buses of common consumer SoCs. The dual x8/x16 bus mode allows one design to serve both 8-bit legacy and 16-bit modern processors, reducing bill-of-material variety. Because the part is drop-in compatible across the M29W160E TSOP48 family, consumer product families can share a single PCB footprint across capacity and boot-block variants.
おすすめ
Telecom Line Card Configuration Memory
Telecom line cards and network interface boards keep FPGA/ASIC load images and board-level configuration in parallel NOR flash. The M29W160ET70N3E's parallel interface allows a line-card FPGA to read configuration directly over the local bus, and the 70 ns speed class minimizes configuration load time during hot-swap or reset events. The 3.3 V supply integrates cleanly with telecom logic rails, and hardware boot-block protection safeguards the golden image that the system reloads after faults. The 48-TSOP surface-mount package suits the high-reliability assembly processes used on carrier-grade line cards, and AEC-Q100 qualification adds margin beyond standard industrial requirements.
おすすめ
Legacy x16 Code-Storage Upgrades and Repair
Many fielded embedded systems were designed around 16 Mbit TSOP48 parallel NOR flash, and service organizations need authentic drop-in parts for repair and life-extension. The M29W160ET70N3E maintains the exact 48-TSOP footprint, pinout, organization, and 70 ns timing of the original M29W160E generation, allowing direct replacement without PCB or firmware changes - provided the top boot block location matches the original. Distributors such as DigiKey, Mouser, Ampheo, and Xecor stock the part for maintenance orders. Verifying the boot-block position and revision suffix against the serviced unit prevents field failures from block-address mismatches.
おすすめ
Test and Measurement Instrument Firmware
Bench instruments such as oscilloscopes, signal generators, and data loggers boot from parallel NOR flash stored on their mainboards. The M29W160ET70N3E provides deterministic random access to boot and self-test code, and its 16 Mbit density comfortably holds bootloaders plus configuration tables for mid-range instruments. The 3.3 V rail and CMOS-style parallel interface integrate with standard instrument logic, while automatic erase/program operations simplify in-field firmware update routines. The AEC-Q100 qualification provides reliability headroom for instruments subjected to wide laboratory temperature swings, and the tray-packed RoHS-compliant TSOP48 package supports both contract and in-house rework assembly.
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: M29W160ET70N3E — 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 | M29W160ET70N3F | M29W160EB70N3E | M29W160FB70N3E |
|---|---|---|---|---|
| Package | 48-TSOP | 48-TSOP - same | 48-TSOP - same | 48-TSOP - same |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Memory Size | 16 Mbit | 16 Mbit | 16 Mbit | 16 Mbit |
| Access Time | 70 ns | 70 ns | 70 ns | 70 ns |
| Boot Block Location | Top boot | Top boot | Bottom boot | Bottom boot |
| Organization | 2M x8 / 1M x16 | 2M x8 / 1M x16 | 2M x8 / 1M x16 | 2M x8 / 1M x16 |
| Supply Voltage | 3 V / 3.3 V | 3 V / 3.3 V | 3 V / 3.3 V | 3 V / 3.3 V |
| RoHS / Packing Suffix | E (RoHS, standard/tray packing) | F suffix (RoHS) | E (RoHS, standard/tray packing) | E (RoHS, standard/tray packing) |
主な差別化要因
- Fastest standard speed grade in family （vs M29W160EB80ZA3SE)
- Top boot block for top-of-memory reset vectors （vs M29W160EB70N3E)
- Automotive AEC-Q100 qualification （vs M29W160ET70N3F)
設計ノート
The most frequent design-in error on the M29W160E family is boot-block orientation. The T suffix places boot blocks at the top of the 16 Mbit array and the B suffix places them at the bottom; both share the identical 48-TSOP pinout, so a wrong-variant substitution assembles and passes continuity tests yet fails at boot. Before releasing a BOM, match the processor reset vector to the boot block address range and lock the exact MPN suffix (including E/F revision) in the approved-vendor list.
Power the M29W160ET70N3E from a clean 3.0-3.6 V rail with 0.1 uF ceramic decoupling at each VCC pin pair, placed within a few millimeters of the package per standard flash layout practice. During program and erase operations the device draws transient current pulses; size the local bulk capacitance so rail droop during block erase does not brown out neighboring logic. Never drive address or data lines before VCC is stable, and use the RP# (reset/power-down) pin to hold the device in reset during power-up to prevent spurious writes.
The 48-TSOP is a 0.5 mm-pitch surface-mount package; specify a reflow profile compatible with RoHS lead-free solder (E suffix) and verify with X-ray or AOI on first articles. Keep the parallel address/data bus lengths matched and series-terminate long traces to limit reflections at the 70 ns access-time edges. If field reprogramming is planned, route the BYTE#, RP#, and WE# pins to test points so a bed-of-nails or clip-on programmer can access the device without desoldering.
コンプライアンス情報
E suffix denotes RoHS-compliant package per Micron part numbering legend. AEC-Q100 automotive qualification stated in datasheets.com part details. REACH, halogen-free, and conflict-minerals status not stated in retrieved data.
