MC908QY8VDWE - 8-Bit 8MHz 8KB Flash MCU | NXP
MPN: MC908QY8VDWE ✗ סוף ייצורMC908QY8VDWE סקירה
A microcontroller is a compact embedded-control semiconductor that integrates a CPU core, program memory, data memory, I/O ports, timers, and interrupt resources. The M68HC08 architecture uses a complex instruction set computer, or CISC, core with Von Neumann organization. This places MC908QY8VDWE in the hierarchy MCU -> embedded processor -> semiconductor and makes it suitable for compact control logic, monitoring, and simple actuator or sensor interfaces where a higher-bit processor is unnecessary.
The verified product listings identify 8 KB of flash program memory, an 8 MHz clock, and an 8-bit architecture. Flash memory allows firmware to be programmed or updated rather than permanently masked into ROM. The 16-SOIC format supports conventional surface-mount assembly and is compatible with automated board assembly. The provided results also mention 14 I/O ports and a 4.5 V to 5.5 V supply range, while other secondary results conflict by describing a 32 MHz clock or CDIP packaging; those conflicting secondary values are not treated as authoritative for this record.
Typical uses include industrial control modules, small embedded controllers, automotive or industrial interface boards, and compact products that need event detection, sequencing, or digital I/O. The processor architecture and peripheral mapping must be checked against the official datasheet before selecting ports, programming memory, clock settings, or external components. Firmware migration should preserve memory-map, interrupt-vector, timer, and pin-level assumptions.
The principal design consideration is lifecycle planning. NXP labels the product End of Life on its official page, so new designs should obtain written lifecycle and sourcing information before committing. Existing products may require approved last-time-buy planning, firmware preservation, or redesign around a supported MCU. The SOIC-16 footprint is also useful for replacement evaluation, but an identical footprint alone does not prove firmware, timing, or peripheral compatibility.
This record consolidates official lifecycle information, distributor identification, package details, architecture details, sourcing links, and engineering cautions. It separates verified facts from unavailable electrical limits and highlights the distinction between a true pin-compatible replacement and a functionally similar MCU, helping engineers assess continuity risk before procurement or redesign.
חלופות תחליף ישיר עבור MC908QY8VDWE — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם MC908QY8VDWE (אותו גורם צורה וטביעת רגל) — שונים ב Package, Architecture, Supply Voltage, Core, RAM.
אין חלופות תואמות Drop-in עבור מוצר זה.
בקשת חלופותMC908QY8VDWE דירוגים מרביים ומאפיינים חשמליים
| Product Type | 8-bit microcontroller |
| Architecture | CISC |
| CPU Family | M68HC08 |
| Series | HC08 NITRON 8K FLASH |
| Processor Architecture | Von Neumann |
| Clock Speed | 8 MHz |
| Flash Memory | 8 KB (8K x 8) |
| I/O Ports | 14 |
| מתח אספקה | 4.5 V to 5.5 V |
| מארז | 16-SOIC |
| Terminal Count | 16 |
| סוג הרכבה | Surface mount |
| Terminal Form | Gull wing |
| Temperature Grade | Industrial |
| סטטוס מחזור חיים | End of Life |
מדריך תצורת פינים של MC908QY8VDWE 16-soic
תצורת פינים עבור MC908QY8VDWE (מארזת 16-soic). מעגל משולב דיגיטלי זה כולל GPIO, ממשקי תקשורת (UART, SPI, I2C) ופיני מתח. יש לעיין בגיליון הנתונים של היצרן לפונקציות פינים חלופיות ולאפשרויות תצורה. חיוני לתכנון מערכות משובצות ולפריסת PCB.
אין נתוני פריסת פינים מפורטים עבור MC908QY8VDWE.
עיינו ב- גיליון נתונים עבור תצורת פינים מלאה.
יישומים טיפוסיים
MC908QY8VDWE מתאים עבור 6 יישוםs: Industrial Sequence Controller, Automotive Interface Module, Sensor Interface Hub, Small Motor Control Board, Appliance Control Module, Data Acquisition Front End.
Industrial Sequence Controller
MC908QY8VDWE fits a small sequence-control subsystem where an 8-bit CISC processor, 8 MHz clock, 14 I/O ports, and 8 KB of flash are sufficient for deterministic state-machine logic. It can supervise relays, lamps, interlocks, and discrete sensors through board-level drivers rather than driving power stages directly. The 4.5 V to 5.5 V supply range supports conventional 5 V digital logic systems, while the 16-pin SOIC package simplifies automated assembly. Because the processor is End of Life, legacy maintenance should include firmware archival and confirmation of every timer, interrupt, and I/O mapping in the official datasheet before reuse.
מומלץ
Automotive Interface Module
The MC908QY8VDWE can serve as a legacy interface controller in automotive or industrial equipment that already depends on its HC08Q behavior, provided the required automotive qualification and electrical limits are confirmed. Its 8 KB flash capacity is suitable for compact protocol handling, diagnostic logic, and input/output state machines, while 14 I/O ports support external sensing and discrete control. The NXP page identifies the device as End of Life, so production use should not assume ongoing automotive supply. Engineers should verify qualification, temperature limits, transient protection, and lifecycle commitments before approving new safety- or reliability-critical deployments.
מומלץ
Sensor Interface Hub
MC908QY8VDWE is suitable for a compact sensor hub when the sensed devices require discrete digital thresholds rather than high-rate analog conversion. The 14 I/O ports can support multiple digital inputs, alarm outputs, and communication-interface signals, while the 8-bit CISC core performs debounce, filtering, and event sequencing. Its 8 MHz clock provides a straightforward timing base for polling and control tasks, and 8 KB flash can hold compact firmware. The design must stay within the verified 4.5 V to 5.5 V supply range and must include suitable protection for external wiring; exact peripheral capabilities and pin functions require the official NXP datasheet.
מומלץ
Small Motor Control Board
MC908QY8VDWE can supervise a low-power motor-control board when it handles command decoding, limit switches, interlocks, and driver-enable sequencing rather than the motor power stage itself. Its 14 I/O ports and 8 MHz CISC processor support event-based control, timing, and fault latching, and its 8 KB flash is adequate for compact state-machine firmware. External MOSFETs, gate drivers, current sensing, and protection must be selected and placed separately. Because lifecycle is End of Life and exact pin-level timing data is not supplied, use the official datasheet to validate timer resources, pin muxing, and electrical tolerances before modifying a running motor controller.
מומלץ
Appliance Control Module
MC908QY8VDWE offers a compact control solution for appliances or equipment requiring button inputs, displays, relays, and simple operating modes. The 8 KB flash stores a compact application program, the 14 I/O ports distribute discrete signals, and the 8 MHz clock supports periodic scanning and debounce routines. A 5 V-oriented circuit can operate within the verified 4.5 V to 5.5 V range, subject to the official limits for each pin and peripheral. For new appliance platforms, lifecycle continuity is the main concern: preserve the original firmware and hardware documentation or migrate to a currently supported MCU before volume production.
מומלץ
Data Acquisition Front End
MC908QY8VDWE can be used in a small data-acquisition front end when external converters or sensors provide digital results that require timestamp-like sequencing, buffering flags, and host-interface control. Its 8-bit CISC core and 8 MHz clock suit low- to moderate-rate supervisory tasks, while 14 I/O ports allow status, trigger, and communications signaling. The device does not gain analog capability merely from being an MCU; the source material does not verify an internal ADC or data-conversion resources. Engineers should divide acquisition and signal conditioning from processing, check the official peripheral list, and provide firmware calibration for any external converter.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור MC908QY8VDWE — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
מבדילים עיקריים
- HC08Q family continuity for existing firmware (לעומתMC908QY4ACDWE)
- Compact 16-pin surface-mount integration (לעומתMC9S08DN32MLF)
- Documented legacy-service role (לעומתMC9S08QE4CWJ)
הערות תכנון
Do not infer pin compatibility from the 16-pin SOIC package alone. MC908QY8VDWE is an EOL HC08Q device, and related QY4, QB8, or other 16-pin parts may differ in memory, timers, interrupts, programming signals, or electrical limits. Use the official NXP pinout and register definitions for the exact ordering code. For an existing board, make a physical pin-by-pin map and a software compatibility checklist before substitution; if any function is unresolved, treat the candidate as a redesign rather than a drop-in part.
Design the board within the verified 4.5 V to 5.5 V supply range and confirm each pin's absolute maximum and input-level limits in the official datasheet. Decouple the supply close to the device with the capacitor values required by NXP, and provide clean returns for digital and external-interface currents. The supplied excerpts do not identify internal ADC resources, absolute pin ratings, or exact decoupling requirements, so do not infer them from another HC08 family member. Validate startup, brownout, and programming behavior on hardware.
The 16-pin gull-wing SOIC package supports standard reflow assembly, but footprint correctness must be checked against the manufacturer land pattern rather than a generic SOIC drawing. Keep oscillator, reset, programming, and sensitive input traces short; route exposed board-edge or cable-connected signals through appropriate protection. Preserve the original component orientation and pin numbering when repairing legacy equipment. If moving to a newer MCU, expect a footprint or pin-function review even when the replacement also uses a 16-pin package.
The NXP product page identifies MC908QY8VDWE as End of Life, so an existing installation should be treated as a continuity-risk program. Archive the exact firmware image, toolchain version, oscillator settings, schematics, and datasheet; label every supported spare lot; and request written supply and last-time-buy information. A distributor page saying an item ships today does not guarantee future inventory. For new designs, compare supported MCUs by memory, I/O count, timing, peripheral requirements, software ecosystem, and lifecycle rather than relying on the nominal 8-bit label.
מידע על תאימות
The supplied excerpts identify an industrial temperature grade but do not provide verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. No compliance status is assumed.