MC908QC16VDSE - 8-Bit 8MHz 16KB Flash MCU | NXP
Référence : MC908QC16VDSE ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.9062 | $3,91 |
| 10 | $3.9062 | $39,06 |
| 100 | $3.9062 | $390,62 |
| 500 | $3.9062 | $1 953,10 |
| 1 000 | $3.9062 | $3 906,20 |
MC908QC16VDSE Présentation
A microcontroller is a semiconductor device that integrates a processor core, program memory, data memory, I/O ports, and peripheral modules on one integrated circuit. The MC908QC16VDSE belongs to the HC08 microcontroller family, a general-purpose 8-bit platform used for appliance control, security systems, motion control, climate control, lighting, and other embedded applications. Its CISC architecture and peripheral set support compact control firmware without requiring a separate external memory interface.
The verified source data identifies an 8-bit core, 8 MHz maximum clock, 16 KB Flash memory, 16 I/O pins, and 20-pin TSSOP construction. The device also provides SCI and SPI connectivity, LVD, POR, and PWM functions. Because the available information does not specify the complete operating-temperature range, exact RAM organization beyond 512 bytes, electrical limits, or detailed timing values, those details are intentionally not inferred here.
MC908QC16VDSE is positioned for embedded controllers requiring moderate processing performance and flexible serial communication. SCI can support asynchronous serial communication, while SPI is useful for connecting sensors, displays, memory, and other peripherals. The Flash memory provides 16K x 8 program storage, and the reported 512 x 8 RAM capacity supplies working memory for control loops and interface handling.
Typical applications include appliance control, security systems, lighting control, climate-control systems, motion-control boards, and compact industrial or consumer embedded products. Engineers should confirm the exact peripheral mapping, pin multiplexing, electrical limits, and lifecycle requirements against the manufacturer documentation before releasing a production design. The target is also listed as obsolete in one source result, so availability should be confirmed during sourcing.
This page consolidates verified distributor specifications, lifecycle observations, source links, and engineering-use guidance. It does not claim that an unverified substitute is pin-compatible; replacement decisions require comparison of the complete pinout, memory map, peripherals, timing, voltage limits, and package details.
Alternatives de remplacement direct pour MC908QC16VDSE — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC908QC16VDSE (même facteur de forme et même empreinte) — différant par Package, Program Memory Size, RAM Size.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
Aucune alternative de remplacement direct disponible pour ce produit.
Demander des alternativesMC908QC16VDSE Valeurs maximales et caractéristiques électriques
| Product Type | 8-bit microcontroller |
| Processor Core | HC08 |
| Processor Architecture | CISC |
| Fréquence d'horloge maximale | 8 MHz |
| Program Memory Size | 16 KB |
| Program Memory Organization | 16K x 8 |
| Program Memory Type | Flash |
| RAM Size | 512 x 8 bits |
| Tension d'alimentation | 3.3 V / 5 V |
| Number of I/O | 16 |
| Connectivity | SCI, SPI |
| Peripherals | LVD, POR, PWM |
| Boîtier | 20-pin TSSOP |
| Package Body Width | 0.173 in / 4.40 mm |
| Type de montage | Surface mount |
| Statut du cycle de vie | Obsolete |
| RoHS | Unknown |
| REACH | Unknown |
| AEC-Q100 Qualification | Unknown |
| Lead-Free Status | Unknown |
Guide de configuration des broches du MC908QC16VDSE 0.173 in / 4.40 mm
Configuration des broches du MC908QC16VDSE (boîtier 0.173 in / 4.40 mm). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour MC908QC16VDSE.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
MC908QC16VDSE convient pour 7 applications: Appliance Control, Climate Control, Security and Access Systems, Motion and Motor Control, Lighting Control, Industrial Sensor Interface, Home Automation Node.
Appliance Control
The MC908QC16VDSE fits compact appliance controllers that need an 8-bit control loop, 16 KB of Flash firmware storage, and 512 bytes of RAM. Its listed SCI and SPI interfaces can connect to sensors, displays, or external modules, while PWM can support motor, valve, lamp, or fan actuation. The 20-pin TSSOP package helps reduce board area, although the designer must verify the exact I/O count and pin multiplexing before assigning control signals. Because the device is listed as obsolete, production designs should confirm supply continuity and qualify any alternate source carefully.
Recommandé
Climate Control
For climate-control equipment, MC908QC16VDSE can serve as the supervisory controller for temperature sensing, fan commands, alarms, and user interfaces. The verified 8 MHz maximum clock and 8-bit CISC architecture are appropriate for straightforward control logic, while PWM can command actuator outputs when the selected pin supports that function. SCI or SPI can connect to a sensor module or display, but the source data does not define protocol timing or alternate-function routing. Firmware and board-level validation should therefore include startup sequencing, sensor faults, output limits, and thermal conditions.
Recommandé
Security and Access Systems
MC908QC16VDSE can be used in simple security or access-control subsystems where a low-cost 8-bit controller manages inputs, indicators, relays, and serial sensors. Its 16 KB Flash provides space for control firmware, and SCI or SPI can connect to external modules. The listed LVD and POR features may support basic robustness checks, but they are not equivalent to cryptographic authentication. Security engineers should separately verify keypad handling, tamper detection, relay isolation, communication security, and any required compliance evidence. Obsolete lifecycle status also requires a controlled sourcing plan.
Recommandé
Motion and Motor Control
The MC908QC16VDSE is suitable for basic motion-control or actuator-management functions where the system requires an 8-bit embedded controller rather than a high-performance digital motor controller. PWM can represent speed, position, or drive commands, while the reported 16 I/O can support sensors, switches, indicators, and interlock signals. Actual motor-drive feasibility depends on current ratings, switching frequency, isolation, protection, and whether the selected PWM outputs meet those requirements. None of those electrical limits are established by the supplied snippets, so a motor driver or transistor stage must be independently designed and tested.
Recommandé
Lighting Control
MC908QC16VDSE can be used in a compact lighting controller for dimming, sequencing, status indication, and external sensor coordination. Its PWM capability is relevant to dimming or controlled-drive outputs, while SCI or SPI can connect to a keypad, display, or remote module. The exact PWM channel count, output behavior, and I/O mux are not specified in the available data, so the design must not assume a particular pin assignment. Validate LED-driver topology, current limits, flyback or linear-drive requirements, isolation, and fail-safe states during hardware validation.
Recommandé
Industrial Sensor Interface
MC908QC16VDSE can act as the control and communication hub for a small sensor interface board when the required interfaces are limited to SPI or SCI. The 8 MHz HC08 core provides the basic execution capability for reading sensors, applying thresholds, filtering data, and reporting status. Its 16 KB Flash and 512 bytes of RAM constrain firmware and buffering, so applications requiring large data logs or complex protocol stacks may need a larger MCU. Use the exact datasheet to verify serial levels, peripheral availability, pin multiplexing, and timing before connecting field sensors.
Recommandé
Home Automation Node
MC908QC16VDSE is a plausible fit for a compact home-automation node that coordinates switches, relays, sensors, and status indicators. SCI can support a simple serial network or host connection, while PWM and general I/O can drive or monitor peripherals. The device's 16 KB Flash and 512-byte RAM support focused node firmware rather than gateway-level applications. Design validation should cover brownout behavior, communication reliability, relay transients, debounce timing, and firmware update strategy. Since the component is listed as obsolete, an architecture using a currently supported MCU may be preferable for new deployments.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC908QC16VDSE — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit |
|---|---|
| Package | 20-pin TSSOP |
| Brand | NXP Semiconductors |
| Processor Core | HC08 |
| Data Width | 8-bit |
| Maximum Clock Frequency | 8 MHz |
| Program Memory | 16 KB Flash |
| RAM | 512 x 8 bits |
| Supply Voltage | 3.3 V / 5 V |
| Connectivity | SCI, SPI |
| Peripherals | LVD, POR, PWM |
| I/O Count | 16 |
| Lifecycle Status | Obsolete |
Principaux différenciateurs
- Integrated serial connectivity in an 8-bit embedded controller (vs MC908QY8CDTE)
- 16 KB Flash memory with 8-bit HC08 processing (vs MC908QC8CDSE)
- Compact 20-pin TSSOP integration (vs MC908QC8CDSE)
Notes de conception
Use the exact 20-pin TSSOP land pattern from the manufacturer package drawing and preserve the stated 4.40 mm body-width format. Before routing, verify every power, ground, reset, programming, and peripheral pin against the exact datasheet revision; the supplied web snippets do not provide the complete pinout. Keep decoupling capacitors close to the device power pins and provide a clean ground return, while checking that the board assembly process is compatible with 0.65 mm-class TSSOP pitch devices.
The available data confirms a 3.3 V and 5 V supply-voltage designation, but it does not provide operating current, absolute maximum ratings, or power-consumption curves. Confirm those values before selecting regulators, battery capacity, or protection components. If the design powers sensors or actuators from the same rail, include separate bulk and local bypass paths and validate startup current, brownout behavior, and voltage transients with the final load configuration.
Do not treat a related HC08 or 8-bit MCU as a drop-in replacement merely because it has a similar Flash size or package family. Compare the exact pin assignments, alternate functions, SCI and SPI implementation, PWM resources, reset behavior, programming interface, voltage thresholds, and memory map. The supplied cross-reference results do not establish compatibility for MC908QY8CDTE or MC908QC8CDSE, so any substitution requires manufacturer documentation and board-level validation.
Informations de conformité
The supplied verified results do not provide reliable compliance declarations for this exact MPN. One search result displays an unpopulated RoHS field, so no compliance status is inferred.
