MC9S08QG4CFFE - S08 8-bit MCU 4KB Flash 20MHz | NXP
料号： MC9S08QG4CFFE ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.68 | $16.80 |
| 100 | $1.42 | $142.00 |
| 500 | $1.25 | $625.00 |
| 1,000 | $1.1 | $1,100.00 |
MC9S08QG4CFFE 概述
An 8-bit microcontroller is a single-chip computer that integrates a processor core, program memory (flash), data RAM, and peripherals such as timers, ADC, and serial interfaces on one die. Microcontrollers sit at the lowest level of the embedded-system hierarchy - below 16/32-bit MCUs and application processors - and are chosen where cost, pin count, and power matter more than raw throughput. The S08 family is NXP (formerly Freescale) architecture descending from the HC08 instruction set.
Key features of the MC9S08QG4CFFE include the 20-MHz HCS08 CPU with the HC08 instruction set plus an added BGND instruction, an on-chip background debugging system supporting in-circuit debugging, and breakpoint capability with one breakpoint during in-circuit debugging plus additional on-chip breakpoints. The S08QG family provides serial interfaces and peripherals normally found in higher-end devices, all in a very small package, making S08QG devices a strong fit for battery-powered designs.
Technically, the device belongs to the S08 Family, S08QG Series (QG Series) of the S08 core architecture, a CISC 8-bit core with flash-based program storage. The QFN package code is HVQCCN (square, no-lead), 16 terminals, no-lead terminal form, industrial temperature grade, shipped in trays.
Typical applications include small battery-powered appliances, simple consumer electronics, low-cost sensing nodes, and replacement/continuation builds for legacy S08QG-based boards.
Design consideration: this part is End of Life per the NXP product page. Plan last-time-buy quantities or qualify a replacement before new designs.
This page consolidates verified distributor listings, lifecycle status, drop-in alternatives, and design guidance not found in any single manufacturer or distributor source.
直接替换替代料： MC9S08QG4CFFE ——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： MC9S08QG4CFFE （相同外形与封装尺寸） ——差异在于 Package, Core, RoHS Status, Debug Interface, Instruction Set.
快速对比工具——选择替代料号进行并排对比：
MC9S08QG4CFDE
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC9S08QG4CFFR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC9S08QG8CFDE
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC9S08QG4MPAE
✅ 直接替换📋 参考替代料（不在目录中）
MC9S08QG4CFFE 最大额定值与电气特性
| Core Processor | S08 |
| Core Size | 8-Bit |
| CPU Architecture | HCS08 CISC, HC08 instruction set with added BGND instruction |
| 最大时钟频率 | 20 MHz |
| Program Memory Size | 4KB (4K x 8) FLASH |
| 电源电压 | 2.5 V / 3.3 V |
| 封装 | 16-QFN-EP (5x5 mm), QFN EP |
| Package Code | HVQCCN |
| Package Shape | Square |
| Number of Terminals | 16 |
| Terminal Form | No Lead |
| Temperature Grade | Industrial |
| Series | S08QG (QG Series, S08 Family) |
| Debug Features | Background debugging system, single breakpoint in-circuit plus two more on-chip |
| 安装类型 | Surface Mount |
| Packaging | Tray |
| 生命周期状态 | End of Life (per NXP product page) |
MC9S08QG4CFFE square 引脚配置指南
MC9S08QG4CFFE（square 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： MC9S08QG4CFFE.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S08QG4CFFE 适用于 6 应用s: Battery-Powered Consumer Devices, Low-Cost Sensing Nodes, Small Appliance Control, Legacy S08QG Board Continuation, Educational and Hobby Embedded Projects, Simple Human-Machine Interface Controllers.
Battery-Powered Consumer Devices
The MC9S08QG4CFFE fits battery-powered consumer products because NXP designed the S08QG family explicitly as a 'perfect fit for battery-powered devices', pairing a low-power S08 8-bit core with 2.5V/3.3V operation. In a two-cell battery product, the MCU can run directly from the cell stack without a regulated rail, and its 20 MHz CPU delivers adequate performance for key scanning, LED control, and simple state machines while lower clock modes extend runtime. The compact 16-QFN-EP 5x5 mm footprint keeps the PCB small for handheld form factors. Firmware stored in 4KB flash with in-circuit background debugging simplifies field iteration.
推荐
Low-Cost Sensing Nodes
In distributed sensing nodes, the MC9S08QG4CFFE acts as the local controller that reads sensors, filters readings, and communicates over a serial link. The S08QG family provides serial interfaces and peripherals normally found in higher-end devices in a very small package, per NXP, so a single 16-pin QFN device can handle sensor digitization and communication with minimal board area. Operating from 2.5V or 3.3V aligns with typical low-power sensor rails, and the no-lead QFN-EP package supports compact two-layer layouts. Industrial temperature grade extends suitability to unconditioned environments such as outdoor or factory-floor nodes.
推荐
Small Appliance Control
Small appliances - fans, chargers, kettles, and similar mains-powered products - need a low-cost controller for button inputs, indicator LEDs, and simple thermal or timing logic. The MC9S08QG4CFFE covers these needs with a 20 MHz S08 core, 4KB flash, and on-chip peripherals in a 16-QFN-EP package, keeping BOM cost and board area minimal. Its industrial temperature grade tolerates the elevated internal temperatures typical of enclosed appliances. The on-chip background debugging system allows in-circuit firmware updates during production line programming, and the HC08 instruction set heritage ensures broad toolchain and legacy-code compatibility for appliance platforms.
推荐
Legacy S08QG Board Continuation
Boards already designed around the S08QG family face sourcing risk now that the MC9S08QG4CFFE is End of Life per NXP. For continuity builds, same-footprint family variants such as the MC9S08QG4CFDE and MC9S08QG8CFDE provide drop-in replacements on the existing 16-QFN-EP land pattern, preserving the validated PCB while extending supply. Authorized aftermarket sources such as Rochester Electronics also list the original part number for legacy programs. When migrating firmware to the QG8 variant, the identical S08 core and instruction set minimize code changes to linker settings and memory mapping.
推荐
Educational and Hobby Embedded Projects
The MC9S08QG4CFFE and its S08QG family are attractive for learning embedded development: an 8-bit CISC core with a documented HC08-derived instruction set, 4KB flash for small programs, and a background debugging system that supports single-wire in-circuit debugging on inexpensive hardware. NXP's S08 toolchain and CodeWarrior-class environments provide assembly and C development. The 5x5 mm QFN-EP package suits adapter boards and breadboard carriers, and 2.5V/3.3V operation matches common low-voltage peripherals. Breakpoint capability with one in-circuit breakpoint plus additional on-chip breakpoints makes step-by-step debugging practical for students.
推荐
Simple Human-Machine Interface Controllers
Simple HMIs - button panels, indicator clusters, small status displays - need a controller with enough I/O and timers but minimal cost. The MC9S08QG4CFFE provides this in 16 pins: the S08 core executes key-scan and debounce loops at up to 20 MHz while 4KB flash stores look-up tables and display logic. NXP notes the S08QG family carries serial interfaces and peripherals normally found in higher-end devices, useful when the panel must talk to a host over a serial link. The QFN-EP no-lead package mounts flush on the back of a membrane-panel PCB, and 2.5V/3.3V operation suits battery or logic-rail powered panels.
推荐
推荐产品汇总
工程参考数据： MC9S08QG4CFFE ——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 | MC9S08QG4CFDE | MC9S08QG8CFDE | MC9S08QG4CDTE | MC9S08QG4MPAE |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | S08 (HCS08), 8-bit | S08 (HCS08), 8-bit | S08 (HCS08), 8-bit | S08 (HCS08), 8-bit | S08 (HCS08), 8-bit |
| Max Clock Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash Memory | 4KB (4K x 8) | 4KB | 8KB (+100%) | 4KB | 4KB |
关键差异点
- Largest memory in the true drop-in set （对比 MC9S08QG4CFDE)
- Upgradability within the same footprint （对比 MC9S08QG8CFDE)
- Small-footprint choice over leaded variant （对比 MC9S08QG4CDTE)
设计说明
The MC9S08QG4CFFE is End of Life according to the NXP product page, which also hosts the discontinuance notice and replacement Product Change Notice. Do not start new designs on this exact MPN. Place last-time-buy orders sized to your field-support horizon, and qualify a same-footprint family variant (e.g., MC9S08QG4CFDE or MC9S08QG8CFDE on the same 16-QFN-EP land pattern) as the second source before existing stock is exhausted.
The 16-QFN-EP package has an exposed pad on the underside that must be soldered to a ground Via pattern on the PCB for reliable grounding and thermal performance. Use an NSMD pad pattern with an approximately 50-60% solder-mask aperture reduction for the center pad per standard QFN assembly practice, and verify the pad geometry against the manufacturer's footprint drawing in the datasheet. No-lead packages require X-ray or visible-joint inspection criteria agreed with your assembler.
The device operates from 2.5V or 3.3V supplies. Provide local 0.1 uF decoupling directly at the supply pin and a bulk capacitor near the regulator output. For battery-powered designs, exploit the S08 low-power stop and wait modes and reduce bus clock frequency during idle periods; verify exact per-mode current figures in the NXP datasheet table rather than estimating, since these values are not stated in the distributor summaries used here.
合规信息
The NXP product page includes an 'Environmental Quality' section for MC9S08QG4CFFE, but specific RoHS/REACH/lead-free status was not stated in the retrieved snippets. Consult the NXP Environmental Quality page for this exact ordering code.
