M29F160FB55N3E2 - 16Mbit 55ns 5V NOR Flash | Micron
料号： M29F160FB55N3E2 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.64 | $3.64 |
| 10 | $3.42 | $34.20 |
| 100 | $3.18 | $318.00 |
| 500 | $2.95 | $1,475.00 |
| 1,000 | $2.72 | $2,720.00 |
M29F160FB55N3E2 概述
Parallel NOR Flash is a non-volatile memory type that allows random access to any address directly over a parallel address/data bus, making it suitable for code storage (XIP, execute-in-place) in embedded systems. Within the memory hierarchy, NOR Flash sits alongside DRAM and SRAM as a core memory IC, distinguished from NAND Flash by fast random read access and byte-level programmability, at the cost of lower density and higher cost per bit.
Key features of the M29F160FB55N3E2 include the 55 ns access time for fast code fetch, a single-rail 5 V supply that simplifies power tree design in legacy industrial systems, and an embedded program/erase controller that automatically handles byte/word programming and block erase algorithms. The block-protected boot architecture allows the boot code sector to be hardware-protected against accidental overwrite.
Technically, the device is asynchronous: address and control signals (CE#, OE#, WE#) directly gate data out, with no clock required. The command-set-based interface uses standard bus write cycles for program, erase, and status operations, and status polling or data polling provides simple software handshaking. The 48-TSOP I surface-mount package suits both hand assembly and volume SMT production in Tray packaging.
Typical applications include firmware/boot-code storage in industrial PLCs, telecom and networking line cards, set-top boxes, automotive body modules operating to 125 C, and legacy 5 V microprocessor systems such as those based on classic 80186/68k-class MCUs. The 55 ns access time supports zero-wait-state code execution from slower bus cores.
Design consideration: because the part is 5 V only, level shifting is required when interfacing with 3.3 V logic; verify VIH/VIL thresholds and clamp currents on all address and data lines during system integration.
This page adds value beyond the raw datasheet by synthesizing distributor pricing, drop-in family cross-references, and practical design notes for procurement and design engineers.
直接替换替代料： M29F160FB55N3E2 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： M29F160FB55N3E2 （相同外形与封装尺寸） ——差异在于 Memory Type, Density, Operating Temperature, Organization, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
M29F160FB55N3F2
✅ 直接替换✓ 有现货
$5.6 / 个
查看数据手册 →M29F160FB5AN6F2
✅ 直接替换📋 参考替代料（不在目录中）
M29F160FB5AN6E2
✅ 直接替换📋 参考替代料（不在目录中）
M29F160FT5AN6E2
✅ 直接替换📋 参考替代料（不在目录中）
M29F160FT55N3F2
✅ 直接替换✓ 有现货
$4.9 / 个
查看数据手册 →M29F160FB55N3E2 最大额定值与电气特性
| 存储器类型 | NOR Flash - Parallel, Asynchronous |
| Density | 16777 kbits (16 Mbit) |
| 存储组织 | 1 M x 16 / 2 M x 8 |
| Number of Words | 1000 k |
| Bits per Word | 16 bits |
| Access Time | 55 ns |
| Supply Voltage (VCC) | 5 V |
| 接口 | Parallel |
| Boot Block | Bottom Boot Block (FB) |
| Programming Algorithm | Embedded byte/word program and erase controller |
| 工作温度 | -40 C to +125 C |
| 封装 | 48-TSOP I |
| 安装类型 | Surface Mount |
| Packaging | Tray |
| RoHS 状态 | ROHS3 Compliant |
| Lead Free Status | Lead Free |
M29F160FB55N3E2 48-tsop i 引脚配置指南
M29F160FB55N3E2（48-tsop i 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： M29F160FB55N3E2.
请参阅 数据手册 以查看完整引脚配置。
典型应用
M29F160FB55N3E2 适用于 6 应用s: Industrial PLC Firmware Storage, Telecom and Networking Line Cards, Automotive Body and Comfort Modules, Legacy 5V Microprocessor Systems, Set-Top Box and Consumer Electronics Boot ROM, Test and Measurement Instrument Code Storage.
Industrial PLC Firmware Storage
Programmable logic controllers and industrial control modules store boot code and application firmware in parallel NOR Flash because code must be executed in place with deterministic random access. The M29F160FB55N3E2 fits this role with its 55 ns access time, which permits zero-wait-state instruction fetch from legacy 16-bit industrial processors, and its single 5 V supply, which matches the 5 V bus architecture common on legacy PLC backplanes. The -40 C to +125 C operating range covers unconditioned factory-floor cabinets and outdoor panels, while the bottom boot block lets the critical boot sector be hardware-protected against accidental erase during field firmware updates. The embedded program/erase controller simplifies in-field firmware update routines since the host CPU only issues bus commands and polls status, without managing erase timings externally.
推荐
Telecom and Networking Line Cards
Telecom line cards, DSL modems, and network processors historically boot from 5 V parallel NOR Flash mounted close to the CPU. The M29F160FB55N3E2 provides 16 Mbit of boot and configuration code storage with a 55 ns access time suitable for direct processor local-bus connection. Its asynchronous interface needs no clock, eliminating timing-domain complexity, and the 48-TSOP I package reflows onto standard line-card PCBs. The embedded program/erase controller enables remote firmware upgrades over the network: the host writes new images to non-boot blocks and swaps pointers after verification. The 125 C rating supports enclosed outdoor telecom cabinets with high ambient temperatures, and the ROHS3-compliant E2 finish keeps designs compliant for European telecom deployments.
推荐
Automotive Body and Comfort Modules
Body control modules, instrument clusters, and comfort ECUs operating up to 125 C ambient can use the M29F160FB55N3E2 to store calibration tables, boot code, and diagnostic logs. The -40 C to +125 C operating range matches the automotive passenger-compartment and near-engine temperature envelope. The 5 V supply interfaces directly with classic 5 V automotive microcontrollers without level shifting, and the bottom boot block protects the bootloader sector from corruption during reprogramming at the assembly plant or service center. The 55 ns access time supports code execution in place from the ECU's 16-bit bus. Note that formal automotive programs should confirm AEC-Q100 qualification status with Micron for the exact orderable code before design win.
推荐
Legacy 5V Microprocessor Systems
Embedded systems built around 5 V 16-bit microprocessors (80186-class, 68k-family, and similar) require code storage that connects directly to the 5 V parallel bus without transceivers. The M29F160FB55N3E2 drops onto such buses natively: its 5 V VCC and I/O thresholds align with the processor, the BYTE# pin selects x8 or x16 bus width to match the CPU data path, and the 55 ns access time supports fast bus timing. Compared with UV-erasable EPROMs it replaces, the device offers in-system electrical erasure and programming, cutting update time from minutes of UV exposure to seconds of bus writes. Designers should map wait states to the 55 ns access specification and add bus hold resistors on high-impedance data lines during program/erase operations.
推荐
Set-Top Box and Consumer Electronics Boot ROM
Set-top boxes, DVD players, and consumer appliances of the 5 V generation boot their system firmware from parallel NOR Flash. The M29F160FB55N3E2 stores the bootloader and core firmware with 55 ns random access for fast power-on initialization, while bulk application data can live in cheaper storage tiers. The bottom boot block isolates the immutable boot sector, improving field-update reliability; application blocks are erased individually during OTA or serial-port upgrades. Tray packaging suits medium-volume contract manufacturing, and the ROHS3-compliant lead-free finish meets global consumer product regulations. The 125 C rating also provides margin inside sealed consumer enclosures where internal ambient can rise well above room temperature during sustained video decoding.
推荐
Test and Measurement Instrument Code Storage
Bench instruments such as oscilloscopes, data loggers, and power supplies store firmware, calibration constants, and factory settings in NOR Flash. The M29F160FB55N3E2 is suited to the boot-code role: 16 Mbit capacity holds a full firmware image, 55 ns access supports quick boot and menu response, and the -40 C to +125 C range covers instruments used in unheated field enclosures as well as benches. The byte/word bus-width selection (BYTE#) lets one design span 8-bit and 16-bit controller platforms, and the hardware boot-block protection preserves the recovery bootloader if a firmware update is interrupted. In-system programming over the instrument's service port allows calibration updates without removing the device from the PCB.
推荐
推荐产品汇总
工程参考数据： M29F160FB55N3E2 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | M29F160FB55N3F2 | M29F160FB5AN6F2 | M29F160FT5AN6E2 |
|---|---|---|---|---|
| Package | 48-TSOP I | 48-TSOP I - same | 48-TSOP I - same | 48-TSOP I - same |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Density | 16 Mbit (16777 kbits) | 16 Mbit | 16 Mbit | 16 Mbit |
| Access Time | 55 ns | 55 ns | 55 ns | 55 ns |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V |
| Organization | 1 M x 16 / 2 M x 8 | 1 M x 16 / 2 M x 8 | 1 M x 16 / 2 M x 8 | 1 M x 16 / 2 M x 8 |
| Boot Block Location | Bottom (FB) | Bottom (FB) | Bottom (FB) | Top (FT) |
| Interface | Parallel, Asynchronous | Parallel, Asynchronous | Parallel, Asynchronous | Parallel, Asynchronous |
| Package Compliance Suffix | E2 (RoHS lead-free) | F2 (RoHS lead-free) | F2 (RoHS lead-free) | E2 (RoHS lead-free) |
关键差异点
- Bottom boot block for standard reset-vector boot maps （对比 M29F160FT55N3F2)
- E2 RoHS lead-free compliance code with identical silicon （对比 M29F160FB55N3F2)
- Trade-off: 5 V-only I/O versus newer 3 V M29W family （对比 M29W640GT70N3F)
设计说明
Boot-block placement is the single most common substitution error in the M29F160 family. The FB (this part) puts the protected boot sector at the bottom of the address map (0x00000), while FT variants put it at the top. When substituting M29F160FT55N3F2 or M29F160FT5AN6E2 for the FB part, verify that the CPU reset vector and your linker script expect boot code at the new location. A mismatched boot sector produces a system that powers up but never executes code - easy to misdiagnose as a bad device.
This is a 5 V-only device. When interfacing with 3.3 V logic, do not assume compatibility from the datasheet's TTL-level VIH on some inputs; guaranteed margins must be met across temperature. Use 5 V-tolerant bus transceivers or level shifters on address, data, and control lines. Conversely, its 5 V output high level can damage 3.3 V-only inputs. During program/erase operations the DQ bus goes high-impedance except during polling - add pull-up/pull-down hold resistors if the host samples data lines asynchronously.
Decouple VCC with at least a 0.1 uF ceramic capacitor per power pin, placed within a few millimeters of the TSOP I pins, plus bulk capacitance near the device to support program/erase current pulses. Keep the address/data bus length matched to the CPU to meet the 55 ns access timing budget: estimated bus-flight-time allowance should be calculated from your trace lengths and propagation delay (about 150 ps per inch on FR-4) rather than assumed. Verify BYTE# is strapped firmly (not left floating) to select x8 or x16 mode before power-up.
合规信息
ROHS3 Compliant and Lead Free per IC-Components distributor compliance data; the E2 suffix is Micron's RoHS/lead-free package designator. REACH, halogen-free, and conflict-minerals status not stated in provided data.