MCHC908QY4VDWE - 8-Bit 8MHz 4KB Flash MCU | NXP
料号： MCHC908QY4VDWE ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MCHC908QY4VDWE 概述
An HC08 microcontroller is an 8-bit embedded-control semiconductor in the M68HC08 family. The HC08Q family uses a CISC architecture with a Von Neumann memory organization and an enhanced M68HC08 central processing unit. In the system hierarchy, the MCHC908QY4VDWE is a microcontroller within the broader embedded-processing and semiconductor category, combining flash memory, RAM, digital I/O, timing, and control peripherals in one device.
The principal verified features are 4KB of flash program memory, 128 x 8 RAM, 13 digital I/O pins, an internal oscillator, and operation up to 8 MHz. The NXP product page identifies low-power modes, a keyboard interface, and a 16-bit timer as application-relevant resources. The listed package is 16-SOIC, with a manufacturer or distributor package description of 16-SOIC (0.295 inch, 7.50 mm width). The product is identified in the verified results as an HC08 4K FLASH MCU with ADC-related marketing information, but detailed ADC electrical limits are not supplied.
The HC08Q architecture is suitable for compact embedded controllers because it combines CPU, program storage, data memory, interrupt-capable I/O, and timing resources in one package. Its 8 MHz speed and internal oscillator simplify designs that do not require an external clock source. Flash memory also supports field-programmable application firmware, while the keyboard interface is useful for human-input panels, configuration interfaces, and simple control systems.
Typical applications include automotive control modules, industrial keypad panels, motor or actuator controllers, appliance controls, instrumentation, and low-cost embedded interfaces. The NXP page specifically identifies automotive and industrial applications, while the verified distributor listing identifies automotive and industrial use and an ADC feature. Confirm the exact ADC, electrical, timing, and pin-level requirements against the manufacturer datasheet before releasing a production design.
When designing around the MCHC908QY4VDWE, verify the 16-SOIC footprint, supply-voltage limits, oscillator configuration, reset requirements, programming method, and peripheral pin multiplexing. Because the verified data does not provide a complete pinout, electrical limits, ADC resolution, timer details, or pricing tiers, those values must not be inferred. This page preserves verified facts and identifies the engineering data still required for a safe production release.
This page combines the verified NXP and distributor product descriptions, distributor sourcing information, and cross-reference research. It is designed to distinguish confirmed MCHC908QY4VDWE facts from unavailable specifications while helping engineers assess fit, sourcing, and the need for a detailed manufacturer datasheet review.
直接替换替代料： MCHC908QY4VDWE ——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： MCHC908QY4VDWE （相同外形与封装尺寸） ——差异在于 Package, RAM Size, Program Memory Size, RoHS Status, Core Processor.
快速对比工具——选择替代料号进行并排对比：
MC908QY4ACDWE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.3345 / 个
查看数据手册 →MCHC908QT2CDWE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.8208 / 个
查看数据手册 →MCHRC705J1ACDWE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →S908QY4E0CDWER
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.45 / 个
查看数据手册 →MC908QB4CDWE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.5 / 个
查看数据手册 →MCHC908QY4VDWE 最大额定值与电气特性
| Core Processor | HC08 8-bit CPU |
| Architecture | CISC with Von Neumann architecture |
| Maximum Speed | 8 MHz |
| Program Memory Size | 4KB (4K x 8) flash |
| Program Memory Type | Flash |
| RAM Size | 128 x 8 bits |
| EEPROM Size | Not specified in verified data |
| Number of I/O Pins | 13 |
| Oscillator Type | Internal |
| Peripherals | Low-voltage detection, power-on reset, PWM, keyboard interface, 16-bit timer, ADC-related listing information |
| 封装 | 16-SOIC |
| Package Width | 0.295 inch, 7.50 mm |
| Packaging | Tube |
| Product Family | HC08Q family |
| Core Family | M68HC08 family |
| Application | Cost-sensitive automotive and industrial applications |
| RoHS 状态 | unknown |
| REACH Status | unknown |
MCHC908QY4VDWE 0.295 inch, 7.50 mm 引脚配置指南
MCHC908QY4VDWE（0.295 inch, 7.50 mm 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： MCHC908QY4VDWE.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCHC908QY4VDWE 适用于 7 应用s: Automotive Embedded Control, Industrial Keypad and Panel Control, 16-Bit Timer Control Module, Low-Cost Appliance Controller, Instrumentation and Measurement Interface, Actuator and Relay Sequencing, Battery-Powered Embedded Node.
Automotive Embedded Control
The MCHC908QY4VDWE fits cost-sensitive automotive embedded-control functions when the design needs an 8-bit controller with 4KB flash, 128 x 8 RAM, 13 I/O pins, and a confirmed 8 MHz maximum speed. Its internal oscillator can reduce external clock-component count, while low-power modes are useful for intermittent or duty-cycled control. The NXP product page specifically identifies automotive applications, but vehicle qualification, operating temperature, transient requirements, and exact supply limits are not supplied. Engineers should use the manufacturer datasheet and automotive qualification records before treating it as production-approved for a safety or body-electronics function.
推荐
Industrial Keypad and Panel Control
The HC08Q architecture and verified keyboard-interface feature make the MCHC908QY4VDWE a practical candidate for industrial keypad, configuration-panel, and human-interface modules. Its 4KB flash provides application firmware storage, 128 x 8 RAM supports modest control logic, and 13 I/O pins can serve keypad scanning, indicators, or interface signals. The internal oscillator supports a compact clock arrangement, but debounce timing, interrupt behavior, pin multiplexing, and keypad electrical conditions are not included in the supplied data. Validate the keyboard interface timing and all unused-pin states in the manufacturer datasheet and hardware design review.
推荐
16-Bit Timer Control Module
The verified NXP product page identifies a 16-bit timer, making the MCHC908QY4VDWE relevant to compact control systems that need periodic timing without a larger processor. Potential uses include actuator sequencing, timing windows, keypad debounce, repetitive service routines, and basic motor or relay control. The supplied data does not specify timer mode widths, prescaler values, interrupt priorities, capture channels, or output-compare behavior, so no timing accuracy should be inferred. Firmware and hardware reviews should confirm the timer clock source and worst-case interrupt latency against the control-loop requirement.
推荐
Low-Cost Appliance Controller
The MCHC908QY4VDWE can serve as a low-cost controller for appliances and compact equipment where the required logic fits within 4KB flash and 128 x 8 RAM. Its 13 I/O pins and internal oscillator support a streamlined design with limited external components, while flash allows application firmware to be programmed into the final product. The verified data does not identify relay-driver ratings, isolation requirements, motor-drive outputs, line-voltage tolerance, or production programming details. Use the MCU only for low-energy control logic unless a separate protection and driver design satisfies the appliance safety requirements.
推荐
Instrumentation and Measurement Interface
The 8-bit HC08Q MCU is a candidate for small instrumentation front ends that require digital control, basic signal conditioning, and a compact 16-SOIC footprint. The verified distributor listing identifies an ADC feature, which may support measurement-oriented designs, but ADC resolution, input count, conversion timing, reference voltage, and accuracy are not included. The 4KB flash and 128 x 8 RAM also limit the amount of local code and buffering available for complex algorithms. Engineers should confirm the analog interface requirements and calibration strategy in the manufacturer datasheet before selecting this device for precision measurement.
推荐
Actuator and Relay Sequencing
The MCHC908QY4VDWE’s 8 MHz HC08 core, internal oscillator, 13 I/O pins, and 16-bit timer are useful for deterministic actuator sequencing, relay control, and compact electromechanical interfaces. Firmware can organize state machines and timing events while flash retains the control program and RAM provides working state. The supplied data does not confirm output-driver current, isolation, flyback protection, or logic-level compatibility with the selected actuators, so external drivers and protection networks may be required. Confirm pin direction and peripheral multiplexing in the datasheet before assigning relay or motor-control outputs.
推荐
Battery-Powered Embedded Node
The verified low-power-mode feature makes the MCHC908QY4VDWE a candidate for battery-powered embedded nodes or intermittently powered controls. An internal oscillator can simplify clock provisioning, and the 8-bit architecture can support basic sensing, local logic, and low-rate communication interfaces when peripheral requirements are modest. However, the supplied data does not provide sleep current, active current, wake-up time, analog performance, or battery-voltage limits. Power budgeting must therefore use measured or datasheet-confirmed values; do not select the MCU solely from the presence of a low-power-mode claim.
推荐
推荐产品汇总
工程参考数据： MCHC908QY4VDWE ——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 | MC908QY4ACDWE | MCHC908QT2CDWE | MCHRC705J1ACDWE | S908QY4E0CDWER | MC908QB4CDWE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 16-SOIC | 16-SOIC - same verified package designation | 16-SOIC - same verified package designation | 16-SOIC - same verified package designation | 16-SOIC - same verified package designation | 16-SOIC - same verified package designation |
关键差异点
- Confirmed HC08Q 4K-flash position （对比 MC908QB4CDWE)
- Internal oscillator and 8 MHz speed （对比 MCHC908QT2CDWE)
- Low-power and human-interface positioning （对比 MCHRC705J1ACDWE)
- Automotive and industrial application focus （对比 S908QY4E0CDWER)
设计说明
Use the verified 16-SOIC package designation as the mechanical starting point, but do not release a footprint until the manufacturer pinout and land pattern are downloaded. Confirm pin 1 orientation, exposed or non-exposed thermal-pad requirements, pin functions, programming-test access, and any alternate-function constraints. A package-name match alone does not prove that a substitute is pin-to-pin compatible.
Do not select decoupling values, regulator headroom, or logic thresholds from the distributor excerpts. The verified material does not include the operating-voltage range, absolute maximum ratings, input leakage, or output-drive current. Obtain the datasheet, then apply the manufacturer’s recommended bypass and external-resistor networks and verify every connected signal against its voltage limits.
Do not treat the words low-power mode, ADC, or 16-bit timer as complete design specifications. Confirm sleep current, wake-up latency, ADC resolution and acquisition time, timer clocking, interrupt behavior, and peripheral pin multiplexing. Firmware should also account for reset states and port states at power-up so external actuators do not receive unintended commands.
Keep the 8 MHz clock and sensitive analog or timing paths away from noisy switching nodes and high-current return paths. Because the exact oscillator and ADC circuit requirements are not included in the verified data, follow the manufacturer reference layout rather than improvise a clock or analog network. Validate programming, reset, and debug access on the first PCB revision.
合规信息
The verified excerpts do not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Automotive use is mentioned by NXP, but that alone does not establish AEC-Q100 qualification.