MC908QT2ACDWER - 8-Bit 8MHz MCU, 1.5KB Flash | NXP
MPN: MC908QT2ACDWER ✗ Cuối đờiMC908QT2ACDWER Tóm tắt
A microcontroller is a programmable semiconductor that combines a CPU core, memory, I/O, and embedded control peripherals on one integrated circuit. The HC08 family belongs to the broader 8-bit microcontroller hierarchy, combining straightforward instruction execution with resources suited to appliance controls, industrial modules, and automotive or industrial interface logic.
The MC908QT2ACDWER provides 1.5K x 8 flash program memory, 128 x 8 RAM, five I/O pins, and an 8MHz clock rating according to the verified distributor and NXP product information. Its low-voltage operation and integrated control-focused design make it appropriate for designs that do not require the memory, processing capacity, or pin count of a 32-bit microcontroller.
The device is identified as an 8-SOIC part with a 0.209-inch, 5.30mm-width package in the verified specifications. Its HC08 8-bit CISC architecture and compact package make it a practical choice for space-constrained embedded products where low cost, deterministic control, and a small pin count are more important than high compute throughput.
Typical applications include simple industrial controllers, keypad or switch interfaces, sensor-conditioning systems, automotive and industrial auxiliary controls, and compact consumer products. The NXP product description specifically associates the related MC908QT2ACDWE family with low-voltage operation, an integrated keyboard scanner, and high-current drivers for automotive and industrial applications.
Designers should verify the exact pin functions, voltage limits, clock configuration, programming method, and peripheral details against the manufacturer datasheet before layout release. Because the verified source data does not provide complete electrical timing, pin-level, programming-tool, or package drawings, those details remain important qualification items rather than assumptions.
This page consolidates verified distributor specifications, the manufacturer product reference, pricing availability, and selection guidance for engineers evaluating the MC908QT2ACDWER.
Bộ thay thế dễ dàng lắp đặt cho MC908QT2ACDWER — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC908QT2ACDWER (cùng hình factor và footprint) — khác nhau ở Package, Program Memory Size, RAM Size, Architecture, Packaging.
MC908QT2ACDWE
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MCHC908QT2CDWE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC908QB4CDWE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC908JL3ECDWE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC908JL8CDWER
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC908KX2CDWER
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC908QT2ACDWER Tỷ lệ tối đa & tính chất điện
| Product Type | 8-bit microcontroller |
| Core | HC08 |
| Instruction Set | CISC |
| Tần số xung maksimum | 8 MHz |
| Program Memory Size | 1.5KB (1.5K x 8) |
| Program Memory Type | Flash |
| RAM Size | 128 x 8 bits |
| Number of I/O Pins | 5 |
| Điện áp cung cấp | 3.3V/5V |
| Hộp | 8-SOIC |
| Package Width | 0.209 inch (5.30 mm) |
| Kiểu lắp đặt | Surface Mount |
| Packaging | T/R |
| Key Feature | Integrated keyboard scanner |
| Key Feature | High-current drivers |
| Application Domain | Automotive and industrial applications |
Hướng dẫn cấu hình chân MC908QT2ACDWER 0.209 inch (5.30 mm)
Cấu hình chân cho MC908QT2ACDWER (0.209 inch (5.30 mm) gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho MC908QT2ACDWER.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
MC908QT2ACDWER phù hợp cho 7 Áp dụngs: Compact Automotive Auxiliary Controller, Industrial Keyboard Scanner Interface, Simple Sensor Conditioning Module, Low-Voltage Appliance Control, Switch and Relay Control Board, Compact Consumer Appliance Interface, Industrial Discrete Logic Controller.
Compact Automotive Auxiliary Controller
The NXP MC908QT2ACDWER fits compact automotive auxiliary-control designs that need a small 8-bit controller rather than a high-performance processor. Its verified HC08 core, 8MHz maximum clock, 1.5KB flash, 128-byte RAM, and five I/O pins provide a simple control platform for discrete logic, status indicators, or limited sensor handling. The NXP product description identifies automotive applications and high-current drivers, while the MC908 family also references an integrated keyboard scanner. The main design consideration is that the verified data does not provide the complete automotive temperature range, transient limits, or AEC-Q100 qualification; those requirements must be confirmed from the exact NXP documentation before production release.
Được đề xuất
Industrial Keyboard Scanner Interface
The MC908QT2ACDWER is suitable for a compact keyboard or switch-scanning interface when the system only needs basic input handling and a modest amount of firmware. The verified NXP description identifies an integrated keyboard scanner for the related MC908QT2ACDWE family, while the device provides five I/O pins and 1.5KB of flash. A scanner can be implemented with periodic polling, debouncing, and state-machine logic within the small memory footprint. Before layout and firmware deployment, verify the exact scanner pins, debounce requirements, electrical levels, and whether the target package exposes all required signals in the manufacturer datasheet.
Được đề xuất
Simple Sensor Conditioning Module
The MC908QT2ACDWER can serve as the control element in a small sensor-conditioning module where inputs must be sampled, thresholded, filtered, or translated into a simple digital status. Its five I/O pins provide a limited but potentially sufficient interface for a compact sensor front end, and its 8MHz HC08 core supports deterministic low-complexity control. The 1.5KB flash and 128-byte RAM require careful firmware sizing, especially when adding calibration tables or communications. Exact analog interfaces, ADC resources, pin multiplexing, and timing limits are not present in the supplied data and must be checked against the manufacturer datasheet.
Được đề xuất
Low-Voltage Appliance Control
The MC908QT2ACDWER is appropriate for a small appliance or embedded-control product that operates from a 3.3V or 5V rail and requires basic sequencing, switching, or user-interface logic. The verified supply-voltage specification supports both 3.3V and 5V operation, while the 8-pin SOIC package helps keep the footprint compact. The HC08 8-bit CISC architecture is straightforward for routines such as debouncing, state management, actuator timing, and fault indication. Designers should verify current consumption, oscillator requirements, reset behavior, and maximum pin loading because those values are not included in the supplied source excerpts.
Được đề xuất
Switch and Relay Control Board
The MC908QT2ACDWER can be used in a small switch or relay-control board where a microcontroller must coordinate inputs and output states. The verified NXP description references high-current drivers, making the family relevant to applications that interface with controlled loads rather than directly driving every high-current path from ordinary logic pins. External transistors, protection, and layout isolation remain necessary when switching inductive or high-energy loads. The target's five I/O pins and 8-SOIC package support a constrained board layout, but exact driver ratings, pin limits, and automotive or industrial qualifications require review of the manufacturer documentation.
Được đề xuất
Compact Consumer Appliance Interface
The MC908QT2ACDWER is suitable for compact consumer-appliance interfaces where a small controller handles buttons, indicators, timers, or a limited keypad matrix. Its 8-bit HC08 core, 1.5KB flash, and 128-byte RAM match simple control functions without the cost and complexity of a larger MCU. The 8-SOIC package also permits reuse of established small-footprint PCB layouts. Firmware planning should reserve memory for debounce logic and nonvolatile settings, while the hardware design should confirm supply tolerance, I/O levels, reset timing, and package pin assignments from the exact NXP datasheet.
Được đề xuất
Industrial Discrete Logic Controller
The MC908QT2ACDWER can serve as a compact industrial discrete-logic controller for status monitoring, sequencing, and simple machine-interface functions. The verified 8MHz HC08 performance is sufficient for deterministic control loops, while the five available I/O pins can be allocated among inputs, indicators, and controlled outputs in a small system. Compared with a larger MCU, the target offers a lower-complexity solution when networking, large memory buffers, and high-speed processing are unnecessary. Production designs must confirm operating-temperature limits, electrical noise immunity, ESD requirements, and any industrial qualification because these details are absent from the supplied excerpts.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC908QT2ACDWER — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | MC908QT2ACDWE | MCHC908QT2CDWE | MC908QB4CDWE | MC908JL3ECDWE | MC908JL8CDWER | MC908KX2CDWER |
|---|---|---|---|---|---|---|---|
| Package | 8-SOIC | 8-SOIC related ordering designation | 8-SOIC related family | 8-SOIC related HC08 family | 8-SOIC related HC08 family | 8-SOIC related family | 8-SOIC related family |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HC08 8-bit CISC | HC08 family | HC08 family | HC08 family | HC08 family | HC08 family | HC08 family |
Bảo phân biệt quan trọng
- Compact 8-SOIC footprint with five I/O pins (vsMC908KX2CDWER)
- 1.5KB flash and 128-byte RAM (vsMC908QB4CDWE)
- 8MHz HC08 control performance (vsMC908JL3ECDWE)
Ghi chú thiết kế
The verified data specifies 3.3V/5V operation but does not include the device's absolute maximum voltage, quiescent current, or I/O current limits. Before connecting sensors or actuators, confirm the exact supply range and pin drive capability in the NXP datasheet. Keep the MCU rail local and controlled, and provide appropriate decoupling according to the manufacturer's recommended layout.
The target uses an 8-SOIC surface-mount package with a listed width of 0.209 inch, or 5.30mm. Follow the official land pattern, pin-1 orientation, solder-mask clearance, and reflow profile rather than relying on a generic SOIC footprint. Leave access for programming and test pads where practical, especially on low-volume or repairable assemblies.
Do not infer compatibility from the shared HC08 name alone. The supplied alternatives are related family candidates, but the data does not verify pin names, memory capacity, peripheral resources, electrical limits, or software compatibility for each candidate. Before replacing MC908QT2ACDWER, compare the official pinout, memory map, reset behavior, clock configuration, programming procedure, and timing specifications.
For keyboard-scanning or switch-input designs, route sensitive input lines away from switching nodes and high-current driver paths. The verified description emphasizes high-current drivers, so the analog and digital return paths should be planned carefully. Confirm whether the application needs external protection, isolation, or transistor stages; the supplied data does not specify those ratings.
Thông tin tuân thủ
The supplied verified results identify automotive and industrial application positioning but do not provide current RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. Compliance must be confirmed with NXP or the authorized distributor for the exact orderable MPN.