MC9S08SV8CLC - 8-Bit S08 MCU 40MHz 8KB Flash 32-LQFP | NXP
Référence : MC9S08SV8CLC ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $2.65 | $2,65 |
| 10 | $2.4 | $24,00 |
| 100 | $2.15 | $215,00 |
| 500 | $1.95 | $975,00 |
| 1 000 | $1.8 | $1 800,00 |
MC9S08SV8CLC Présentation
A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals on one die, forming the lowest tier of the embedded processing hierarchy (MCU -> embedded processor -> application processor). The S08 family is NXP's 8-bit CISC architecture, an evolution of the HC08 instruction set with added debugging and low-power features, positioned for cost-sensitive embedded control.
Key features of the MC9S08SV8CLC include internal oscillator operation (eliminating an external crystal in many designs), 5.5V-tolerant operation across the temperature range, and connectivity peripherals comprising I2C, LINbus, SCI, and SPI serial interfaces. System peripherals include low-voltage detect (LVD), power-on reset (POR), PWM capability, and a watchdog timer (WDT) for robust fault recovery.
Architecturally, the HCS08 CPU executes the HC08 instruction set with enhancements for C-compiler efficiency and background debugging via a single-wire interface. The FLASH program memory is in-system programmable, and the internal clock sources reduce BOM cost and board area compared to crystal-based designs.
Typical applications include small home appliances, automotive body electronics and LIN nodes, industrial sensor control, motor control辅助 logic, and low-cost human-machine interfaces where a 40 MHz 8-bit core with LIN connectivity is sufficient. The 5V-capable I/O simplifies interfacing with legacy 5V industrial signals.
Design consideration: this part is marked Obsolete (no longer manufactured by NXP); new designs should select an active S08 successor, and existing designs should plan last-time-buy or qualification of a drop-in replacement.
This page synthesizes distributor pricing, drop-in alternative analysis, pinout guidance, and practical design notes not found in a single datasheet, providing consolidated sourcing and engineering information for the MC9S08SV8CLC.
Alternatives de remplacement direct pour MC9S08SV8CLC — 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 MC9S08SV8CLC (même facteur de forme et même empreinte) — différant par Core Processor, Maximum CPU Frequency, Number of I/O, Package, RAM Size.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S08SV16CLC
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$1.97 / unité
Voir la fiche technique →MC9S08QE32CLCR
✅ Remplacement direct✓ En stock
$2.2 / unité
Voir la fiche technique →MC9S08SV8CLC
✅ Remplacement direct✓ En stock
$1.8 / unité
Voir la fiche technique →MC9S08SV8CLC Valeurs maximales et caractéristiques électriques
| Core Processor | S08 (HCS08) |
| Core Size | 8-Bit |
| Instruction Set | HC08 (with S08 extensions) |
| Maximum CPU Speed | 40 MHz |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 768 x 8 (768 B) |
| EEPROM | None |
| Number of I/O | 30 |
| Connectivity | I2C, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| Oscillator Type | Internal |
| Tension d'alimentation | 3.3 V / 5 V |
| Boîtier / Format | 32-LQFP (7x7 mm) |
| Type de montage | Surface Mount |
| Packaging | Tray |
| Part Status | Obsolete |
| Series | S08 |
Guide de configuration des broches du MC9S08SV8CLC 32-lqfp (7x7 mm)
Configuration des broches du MC9S08SV8CLC (boîtier 32-lqfp (7x7 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 MC9S08SV8CLC.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
MC9S08SV8CLC convient pour 6 applications: Automotive LIN Bus Nodes, Small Home Appliance Control, Industrial Sensor Interfaces, Low-Cost Human-Machine Interfaces, Motor Starters and Simple Drives, Legacy Design Sustainment and Repair.
Automotive LIN Bus Nodes
The MC9S08SV8CLC integrates a dedicated LINbus interface, making it a natural fit for automotive body-electronics nodes such as seat controllers, mirror adjusters, window lift modules, and sensor slaves on a LIN network. The 40 MHz S08 core provides ample processing headroom for LIN 2.x frame handling, while the 8KB FLASH comfortably holds protocol stacks and application code. Operation at 5V with LVD and POR supervision meets the electrical robustness expected in 12V vehicle environments, and the watchdog timer guards against software lock-up in safety-relevant functions. Because the part is now obsolete, automotive users should secure aftermarket stock or qualify the pin-compatible MC9S08SV16CLC for service continuity.
Recommandé
Small Home Appliance Control
Appliance control boards benefit directly from the MC9S08SV8CLC's internal oscillator, which removes the external crystal and its two loading capacitors, reducing BOM cost and board area on cost-optimized consumer products. The 30 GPIO lines drive front-panel keys, LEDs, relays, and triacs directly, while PWM outputs handle heater or fan control and motor speed regulation. The 5V-tolerant I/O matches legacy appliance power architectures without level shifting, and the watchdog timer with LVD/POR ensures reliable recovery from mains disturbances. With 8KB FLASH, typical appliance firmware including debouncing, state machines, and display multiplexing fits with margin. Designers of new appliance boards should instead select an active S08 or Cortex-M0+ successor given the obsolete status.
Recommandé
Industrial Sensor Interfaces
In industrial sensing nodes, the MC9S08SV8CLC's SPI and I2C interfaces connect directly to ADCs, temperature sensors, and digital potentiometers, while SCI provides a simple UART link to PLCs or HMIs. Operation at 5V across the full temperature range matches industrial signal levels, and the low-voltage detect peripheral flags brownout conditions before computation errors occur. The 768 bytes of RAM support filtering buffers and protocol framing, and the 40 MHz core executes scaling and linearization math quickly for an 8-bit device. Pulse-width modulation outputs can drive actuators or alarms in closed-loop sensor-transmitter designs. The obsolete status means new industrial sensor designs should be based on active parts, using the SV8 only for sustaining legacy programs.
Recommandé
Low-Cost Human-Machine Interfaces
The MC9S08SV8CLC suits HMI boards managing keypads, segment LCD or LED displays, buzzers, and indicator lighting. Its 30 I/O lines multiplex displays and scan matrix keypads without external logic, and the 40 MHz bus speed supports fast multiplex refresh rates that keep displays flicker-free. SCI enables communication with a host controller or a higher-level display bus, while I2C can attach an EEPROM or touch controller when needed. The internal oscillator simplifies layout in compact fascia PCBs, and PWM channels provide brightness dimming for LEDs and backlights. Designers should note the watchdog and POR peripherals keep user-facing products resilient against static discharge-induced lock-ups common in consumer handling environments.
Recommandé
Motor Starters and Simple Drives
For brushed-DC and small universal-motor applications, the MC9S08SV8CLC generates PWM drive signals with its on-chip PWM capability while reading feedback from hall sensors or limit switches on its GPIO. The 40 MHz core executes closed-loop speed and current-limiting algorithms at control rates sufficient for fans, pumps, and small power tools. LVD supervision prevents erroneous PWM states during supply transients, and the watchdog ensures the motor drive returns to a safe state after a firmware fault. Its 5V I/O interfaces directly with gate-driver and comparator stages common in legacy drive topologies. Given obsolescence, drive designs in development should qualify the pin-compatible MC9S08SV16CLC or an active motor-control MCU instead.
Recommandé
Legacy Design Sustainment and Repair
A primary ongoing use of the MC9S08SV8CLC is sustaining equipment already in the field: repairing control boards, manufacturing service spares, and fulfilling contractual build commitments for legacy products. Authorized aftermarket channels such as Rochester Electronics supply original-die parts (listed on DigiKey), with over 5,500 pieces reported in broker stock as of 2026-10-18. For sustainment programs, engineers should perform a last-time-buy sized to the remaining product lifetime, or qualify the pin-compatible MC9S08SV16CLC to remove single-source risk. Firmware developed with CodeWarrior for S08 remains fully compatible across the family, minimizing requalification effort when migrating from the 8KB to the 16KB variant.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S08SV8CLC — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S08SV16CLC | MC9S08QE32CLCR | MC9S08SV8CLC (Rochester) |
|---|---|---|---|---|
| Package | 32-LQFP (7x7 mm) | 32-LQFP (7x7 mm) - same | 32-LQFP | 32-LQFP (7x7 mm) - identical |
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors (aftermarket) |
| Program FLASH | 8KB (8K x 8) | 16KB | 32KB | 8KB (8K x 8) |
| RAM | 768 x 8 | 1KB | 2KB | 768 x 8 |
| Core / Speed | S08, 40 MHz | S08, 40 MHz | S08, 40 MHz | S08, 40 MHz |
| Connectivity | I2C, LINbus, SCI, SPI | I2C, LINbus, SCI, SPI | I2C, SCI, SPI (LIN-capable SCI) | I2C, LINbus, SCI, SPI |
| Lifecycle Status | Obsolete | Obsolete (aftermarket available) | Obsolete (aftermarket available) | Aftermarket active (Rochester Electronics) |
Principaux différenciateurs
- Lowest-cost entry point of the SV family (vs MC9S08SV16CLC)
- Dedicated LINbus peripheral for automotive networking (vs MC9S08QE32CLCR)
- Continued availability via authorized aftermarket (vs MC9S08QE32CLCR)
Notes de conception
The MC9S08SV8CLC is obsolete, so the single biggest program risk is supply, not silicon. Before committing any new PCB revision, size a last-time-buy based on remaining field and production lifetime, and simultaneously qualify the pin-compatible MC9S08SV16CLC on the same footprint. Verify date codes on broker stock, since reclaimed and remarked S08 devices circulate in secondary markets. Confirm the exact suffix (temperature range, packaging) matches your validated BOM before releasing purchase orders.
The SV8 family operates at 3.3 V or 5 V across the full temperature range with integrated low-voltage detect (LVD) and power-on reset (POR). For 5 V industrial designs, add 100 nF ceramic decoupling on VDD and VDDA close to the pins plus bulk capacitance at the regulator. The internal oscillator removes the crystal requirement, but if timing-critical UART/LIN baud rates are needed, verify oscillator tolerance against LIN spec limits or use the trimmed internal reference per the NXP S08 family datasheet.
In the 32-LQFP (7x7 mm) footprint, use the exposed copper pattern recommended in the NXP S08 hardware design guidance: solid ground plane on layer 2, short returns for the VSS/EXTAL region, and series resistors on SCI/LIN lines routed near connectors for ESD robustness. Keep the background debug (BKGD) single-wire pin accessible via a 4-pin header (VDD, GND, BKGD, RESET) on every production board - this eliminates socket-based programming and simplifies in-system firmware updates during manufacturing and field service.
Informations de conformité
Compliance details were not stated in the retrieved distributor data. The -C temperature/package suffix historically corresponds to lead-free compliant S08 variants; confirm RoHS/REACH status on the official NXP product page for MC9S08SV8CLC before procurement.