MC908KX2MDWE - 8-Bit 8MHz MCU, 2KB Flash | NXP
料号： MC908KX2MDWE ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.661 | $6.66 |
| 10 | $6.661 | $66.61 |
| 100 | $6.661 | $666.10 |
| 500 | $6.661 | $3,330.50 |
| 1,000 | $6.661 | $6,661.00 |
MC908KX2MDWE 概述
A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The MC908KX2MDWE occupies the MCU, embedded-controller, and semiconductor levels of the product hierarchy. Its role is to execute embedded control logic from flash memory while providing the mixed-signal and timing resources required by compact control systems.
The verified listing identifies the MCU as an 8-bit device with an 8 MHz clock, 2 KB organized as 2K by 8 flash, and a 16-pin SOIC package. The product description also identifies the 908KX2 device and EPP configuration. Exact RAM capacity, pin names, peripheral inventory, voltage limits, current consumption, and programming interface details were not supplied in the verified dataset and therefore must be confirmed in the manufacturer documentation before design release.
MC908KX2MDWE uses the high-performance M68HC08 architecture, which the verified description states is object-code upward compatible with M6805, M146805, and M68HC05 families. This compatibility information can assist engineers evaluating legacy firmware, although migration still requires verification of electrical timing, memory maps, peripherals, and tool support. The part is identified as end of life on the NXP product page.
Typical legacy embedded uses include appliance control, simple sequencing, compact industrial interfaces, and embedded systems that retain an M68HC08 software base. Its 8 MHz CPU and 2 KB flash suit applications with modest control complexity rather than graphics-intensive, high-connectivity, or real-time signal-processing workloads.
Designers should verify the complete pinout, oscillator options, reset behavior, programming signals, and peripheral electrical limits from the manufacturer datasheet. Because the device is end of life, production continuity, firmware tool availability, and last-time-buy planning require direct confirmation with NXP or an authorized source.
This page consolidates verified manufacturer and distributor information, lifecycle status, sourcing context, and design cautions for the MC908KX2MDWE. It distinguishes documented facts from missing electrical details and avoids presenting unverified substitute parts as drop-in replacements.
直接替换替代料： MC908KX2MDWE ——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： MC908KX2MDWE （相同外形与封装尺寸） ——差异在于 Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
该产品暂无直接替换替代料。
请求替代料MC908KX2MDWE 最大额定值与电气特性
| Device Type | 8-bit microcontroller |
| CPU Architecture | M68HC08 with CPU08 core |
| 最大时钟频率 | 8 MHz |
| Program Memory | 2 KB flash organized as 2K x 8 |
| 电源电压 | 3.3 V or 5 V |
| 封装 | 16-SOIC, 0.295 inch / 7.50 mm width |
| 安装类型 | Surface mount |
| Product Configuration | 908KX2 with EPP |
| 生命周期状态 | End of life |
| Object-Code Compatibility | Upward-compatible with M6805, M146805, and M68HC05 families |
| 数据总线宽度 | 8 bit |
| Program Memory Type | Flash |
| Manufacturer | NXP Semiconductors |
| Original Brand | Freescale Semiconductor |
| 分类 | Microcontroller IC |
MC908KX2MDWE 16-soic, 0.295 inch / 7.50 mm width 引脚配置指南
MC908KX2MDWE（16-soic, 0.295 inch / 7.50 mm width 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： MC908KX2MDWE.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC908KX2MDWE 适用于 6 应用s: Legacy Appliance Control, Compact Industrial Sequencer, Legacy Motor and Relay Sequencing, Legacy Communications Interface, Instrumentation Control Panel, Obsolete Product Maintenance.
Legacy Appliance Control
The MC908KX2MDWE fits legacy appliance-control boards that already depend on the M68HC08 CPU08 architecture and modest embedded logic. Its documented 8 MHz operating speed supports sequencing, mode selection, timing, and state-machine control, while 2 KB of flash stores firmware in a compact 16-SOIC package. The M68HC08 object-code compatibility statement can reduce software migration effort when retaining established routines, although memory maps, timing, and peripherals still require review. For production, secure qualified inventory because the NXP product page marks the device end of life and verify the complete pinout and electrical limits before redesign.
推荐
Compact Industrial Sequencer
The MC908KX2MDWE can serve as the fixed-function controller in a compact sequencing module where an 8-bit CPU and 2 KB flash are sufficient. The 8 MHz clock supports deterministic control loops that coordinate discrete outputs, operating modes, and timed transitions, provided peripheral and timing details are confirmed from the datasheet. Its 16-SOIC surface-mount package supports established through-hole-compatible industrial layouts better than a modern fine-pitch redesign. Because lifecycle risk is high, production systems should record firmware revisions, validate every purchased lot, and establish a tested end-of-life buffer rather than relying on continuous distributor availability.
推荐
Legacy Motor and Relay Sequencing
For a legacy relay or motor-sequencing controller, the MC908KX2MDWE provides enough documented performance for compact control logic at 8 MHz, but its suitability depends on unverified timer, I/O, and electrical details. Engineers should confirm output-drive limits, isolation requirements, protection networks, and timing resources in the manufacturer datasheet rather than assuming modern MCU capabilities. The 2 KB flash limit favors concise state machines over feature-heavy firmware. A safety-conscious migration should preserve proven external drivers and replace only the controller after timing, noise, and fault-response tests pass.
推荐
Legacy Communications Interface
MC908KX2MDWE may be used in simple polling-based interface equipment built around the M68HC08 architecture, especially where firmware and board revisions are already frozen. The 8-bit, 8 MHz processor can execute protocol routines and supervisory logic, while 2 KB flash constrains buffering and feature complexity. Exact serial-port availability, baud-rate support, and pin multiplexing are not present in the verified data and must not be inferred. Use the controlled datasheet to confirm peripheral resources, then validate timing against the original circuit because a nominal clock match does not guarantee communication compatibility.
推荐
Instrumentation Control Panel
The MC908KX2MDWE is applicable to legacy front-panel or instrumentation logic that performs button scanning, mode control, status indication, and supervisory sequencing. Its documented 8 MHz execution rate and 2 KB flash are appropriate for modest control tasks, while the 16-SOIC package can simplify reuse of an existing PCB. ADC channels, timer resolution, display interfaces, and GPIO allocation were not supplied and require direct datasheet verification. For instrumentation upgrades, compare measurement accuracy and latency—not merely CPU frequency—because analog front-end compatibility usually determines whether the original board can be retained.
推荐
Obsolete Product Maintenance
MC908KX2MDWE is most valuable as a maintenance component for deployed equipment that already uses the exact MCU, firmware toolchain, and board revision. The verified M68HC08 object-code compatibility statement can help assess legacy code families, but it does not prove that every function is source- or binary-compatible across devices. Maintenance teams should preserve schematics, firmware binaries, programmer settings, and datasheet copies, then qualify each inventory lot before installation. Because the official page reports end of life, allocate parts through a documented last-time-buy or end-of-life purchasing plan instead of allowing uncontrolled consumption.
推荐
推荐产品汇总
工程参考数据： MC908KX2MDWE ——对比、设计指导和合规信息。
选型指南
关键差异点
- Legacy firmware continuity （对比 MC908KX2CDWER)
- Established package identity （对比 MC908KX2VDWE)
- Defined maintenance target （对比 Newer 8-bit MC9S08 devices)
设计说明
Do not approve a substitute from the ordering-code suffix alone. A true drop-in replacement for MC908KX2MDWE must match the 16-SOIC footprint, every pin function, supply limits, clock requirements, flash organization, reset behavior, programming signals, and legacy software assumptions. The supplied cross-reference search produced a comparison tool but no verified compatible MPN, so PCB and firmware changes may be necessary. This is especially important because MC908KX2MDWE is end of life and an apparently close member of the HC08 family may change temperature grade, timing, or peripherals.
Verify the manufacturer's recommended operating-voltage range, I/O-pin limits, startup behavior, and decoupling requirements before powering a board. The retrieved data supports nominal 3.3 V or 5 V use but does not provide minimum or maximum limits, current consumption, or pin-drive ratings. Preserve the original power-supply topology unless the controlled datasheet proves compatibility. During end-of-life purchasing, inspect storage, marking, and solderability because older inventory may have exceeded recommended bake or floor-life limits.
Treat the original 16-SOIC layout as a complete electrical interface rather than a mechanical outline. Confirm exposed programming, reset, oscillator, supply, ground, and I/O assignments from the controlled datasheet before routing or rework. A pin-compatible footprint is not sufficient if programming voltage, peripheral mapping, or interrupt behavior differs. For maintenance boards, retain the original component designation and approved-source records so mixed inventory cannot silently alter clock, memory, or peripheral behavior.
合规信息
The supplied verified data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status for MC908KX2MDWE.
