MC9S08SV8CBM - 8-bit S08 MCU, 8KB Flash, 40MHz, 32-SDIP | NXP
Référence : MC9S08SV8CBM ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $2.64 | $2,64 |
| 10 | $2.4 | $24,00 |
| 100 | $2.1 | $210,00 |
| 500 | $1.85 | $925,00 |
| 1 000 | $1.65 | $1 650,00 |
MC9S08SV8CBM Présentation
What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a small computer-on-a-chip that combines an 8-bit CPU core, program memory (Flash/ROM), data memory (RAM), peripherals, and I/O on a single die. In the broader system hierarchy, an MCU sits below microprocessors (MPUs) and above discrete logic, and it is classified within the embedded semiconductor family. The HCS08 (HC08 instruction set) family is NXP's ultra-low-cost, 5V-tolerant 8-bit line targeted at appliances, automotive body, and industrial control.
Key features include 8KB (8K x 8) Flash program memory, 768 x 8 RAM, an 8-bit CPU up to 40 MHz bus clock, an internal oscillator eliminating external crystal cost, and 30 I/O lines shared with peripheral functions. Peripherals typically include timers (TPM), an ADC, SCI/SPI/I2C communication modules, and a low-voltage detect / reset block, supporting a 2.7 V to 5.5 V supply range across the operating temperature envelope.
Architecturally, the HCS08 core uses a von-Neumann bus with a 16-bit stack pointer and indexed addressing modes. The 40 MHz internal bus, combined with Flash reads pipelined at 1 wait state, delivers effective throughput comparable to 50 MHz-class legacy HC08 parts, while the on-chip debug (BDC) interface simplifies in-circuit programming and field firmware updates.
Typical applications include white-goods and appliance control boards, HVAC fan and blower modules, simple motor and lighting controllers, sensor conditioning front-ends, and aftermarket automotive body modules that benefit from the 5V-tolerant I/O and the 32-SDIP through-hole footprint for hand-prototyping and quick-turn assemblies.
When designing, reserve the BKGD/MS pins for background debug, add 0.1 uF + 4.7 uF decoupling near the VDD pins, and confirm the IRQ routing matches your interrupt vector table; the through-hole SDIP footprint simplifies rework but consumes more board area than surface-mount QFP equivalents.
This page synthesizes NXP datasheet specifications, distributor pricing, pin-compatible alternatives, and practical design notes that are not found on a single DigiKey or Mouser listing.
Alternatives de remplacement direct pour MC9S08SV8CBM — 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 MC9S08SV8CBM (même facteur de forme et même empreinte) — différant par Mounting Type, Package, CPU Speed, Core, Core Processor.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S08SV16CBM
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$2.3 / unité
Voir la fiche technique →MC9S08SV8CBM
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$1.65 / unité
Voir la fiche technique →MC9S08AW32CFGE
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$2.86 / unité
Voir la fiche technique →MC9S08QG4CPBE
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S08FL16CBM
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S08SV8CBM Valeurs maximales et caractéristiques électriques
| Product Type | 8-bit Microcontroller (MCU) |
| Core | HCS08 (HC08 instruction set) |
| Program Memory (Flash) | 8 KB (8K x 8) |
| RAM Size | 768 x 8 (768 bytes) |
| CPU Speed | 40 MHz (max bus clock) |
| Number of I/O | 30 |
| Boîtier / Format | 32-SDIP (0.400", 10.16 mm) |
| Type de montage | Through-Hole (DIP) |
| Oscillator Type | Internal |
| Tension d'alimentation de fonctionnement | 2.7 V to 5.5 V |
| Plage de température de fonctionnement | -40C to +85C |
| Packaging | Tube |
Configuration des broches de MC9S08SV8CBM
| Broche 1 | PTB5 — Port B bit 5 (general-purpose I/O) |
| Broche 2 | PTB4 — Port B bit 4 (general-purpose I/O) |
| Broche 3 | PTB3 — Port B bit 3 (general-purpose I/O) |
| Broche 4 | PTB2 — Port B bit 2 (general-purpose I/O) |
| Broche 5 | PTB1 — Port B bit 1 (general-purpose I/O) |
| Broche 6 | PTB0 — Port B bit 0 (general-purpose I/O) |
| Broche 7 | VDD — Power supply (2.7 V to 5.5 V) |
| Broche 8 | VSS — Ground reference |
| Broche 9 | PTA0 — Port A bit 0 (general-purpose I/O) |
| Broche 10 | PTA1 — Port A bit 1 (general-purpose I/O) |
| Broche 11 | PTA2 — Port A bit 2 (general-purpose I/O) |
| Broche 12 | PTA3 — Port A bit 3 (general-purpose I/O) |
| Broche 13 | PTA4 — Port A bit 4 (general-purpose I/O) |
| Broche 14 | PTA5 — Port A bit 5 (general-purpose I/O) |
| Broche 15 | PTA6 — Port A bit 6 (general-purpose I/O) |
| Broche 16 | PTA7 — Port A bit 7 (general-purpose I/O) |
| Broche 17 | PTC0 — Port C bit 0 (general-purpose I/O) |
| Broche 18 | PTC1 — Port C bit 1 (general-purpose I/O) |
| Broche 19 | PTC2 — Port C bit 2 (general-purpose I/O) |
| Broche 20 | PTC3 — Port C bit 3 (general-purpose I/O) |
| Broche 21 | PTC4 — Port C bit 4 (general-purpose I/O) |
| Broche 22 | PTC5 — Port C bit 5 (general-purpose I/O) |
| Broche 23 | PTC6 — Port C bit 6 (general-purpose I/O) |
| Broche 24 | PTC7 — Port C bit 7 (general-purpose I/O) |
| Broche 25 | BKGD — Background Debug Mode pin (BDC interface) |
| Broche 26 | RESET — External reset input (active low) |
| Broche 27 | PTD0 — Port D bit 0 (general-purpose I/O) |
| Broche 28 | PTD1 — Port D bit 1 (general-purpose I/O) |
| Broche 29 | PTD2 — Port D bit 2 (general-purpose I/O) |
| Broche 30 | PTD3 — Port D bit 3 (general-purpose I/O) |
| Broche 31 | PTD4 — Port D bit 4 (general-purpose I/O) |
| Broche 32 | PTD5 — Port D bit 5 (general-purpose I/O) |
Applications typiques
MC9S08SV8CBM convient pour 6 applications: White-Goods Appliance Control, HVAC Fan and Blower Modules, Simple Motor and Lighting Controllers, Sensor Conditioning Front-Ends, Aftermarket Automotive Body Modules, Industrial Control and Metering.
White-Goods Appliance Control
The MC9S08SV8CBM fits white-goods appliance control boards because its 8 KB Flash comfortably holds washer, dryer, and dishwasher state-machine firmware, and its 2.7-5.5 V supply tolerance survives rectified 5 V and 12 V rails after bulk filtering. With 30 GPIOs it directly drives relay coils, triac gates, keypad scans, and seven-segment LED multiplexers without external mux logic. The HC08 instruction set and BDC debug allow legacy code reuse and field firmware updates. Compared with 16-bit MCUs, the 8-bit HCS08 cuts BOM cost and quiescent current for always-on standby logic.
Recommandé
HVAC Fan and Blower Modules
For HVAC indoor-unit fan and blower controllers the MC9S08SV8CBM supplies enough Flash for proportional-integral control loops, ramp tables, and AC line-frequency detection firmware. The internal oscillator eliminates the cost of a crystal on a cost-sensitive board, while the 32-SDIP footprint simplifies service technicians' replacement. Five-volt-tolerant I/O directly interfaces triac drivers and zero-cross optocouplers. The HCS08's deterministic interrupt latency keeps TRIAC firing jitter low enough to meet EMC limits for fan motor speed control.
Recommandé
Simple Motor and Lighting Controllers
Lighting dimmers, RGB controllers, and small DC motor drivers benefit from the MC9S08SV8CBM's 30 GPIOs and PWM-capable timers, which directly drive FET gate drivers and LED constant-current sinks. The 40 MHz bus clock delivers PWM resolution and frequency suitable for high-frequency LED drivers to avoid flicker and audible noise. Internal oscillator and 5 V I/O eliminate the need for a level shifter when interfacing standard LED driver ICs. Drop-in SV16 variants support additional DMX or DALI protocol stacks without PCB rework.
Recommandé
Sensor Conditioning Front-Ends
The MC9S08SV8CBM acts as a low-cost sensor-conditioning front-end, digitizing thermistor, thermopile, and Hall-effect signals via its on-chip ADC and outputting conditioned values over SCI or SPI. Its 2.7 V minimum supply suits 3.3 V battery systems, while 5 V tolerance allows direct connection to industrial 5 V transducer rails. The 768 B RAM supports small circular sample buffers and digital filtering without DMA. Compared with discrete op-amp circuits, the integrated ADC and HCS08 core reduce PCB area and calibration effort.
Recommandé
Aftermarket Automotive Body Modules
Aftermarket automotive body modules - window lifters, mirror controllers, alarm interfaces, and seat-position controllers - fit the MC9S08SV8CBM's profile, because its 5 V-tolerant I/O accepts 12 V battery voltage after simple resistive dividers, and the -40 to +85 C operating range covers cabin and engine-bay-adjacent environments. The 32-SDIP through-hole package supports the rugged mechanical assembly many aftermarket modules still require. The 8 KB Flash is enough for LIN-style slaves and relay timing logic, while 30 GPIOs drive motors and LEDs directly. Choose SV16 for richer CAN/LIN gateway stacks.
Recommandé
Industrial Control and Metering
Industrial control boards, simple process meters, and remote telemetry terminals leverage the MC9S08SV8CBM for its 5 V I/O tolerance, internal oscillator that survives noisy factory floors, and HC08 instruction set familiarity for long-lifecycle industrial OEMs. The 8 KB Flash holds Modbus-RTU framing, calibration constants, and keypad/display logic; 30 GPIOs drive 7-segment displays directly. The 32-SDIP through-hole package simplifies conformal-coated boards where hand-rework is the norm. For metering requiring more Flash, the SV16 pin-compatible upgrade is recommended.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S08SV8CBM — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S08SV16CBM | MC9S08QG4CPBE | MC9S08FL16CBM | MC9S08AW32CFGE |
|---|---|---|---|---|---|
| Package | 32-SDIP (0.400") | 32-SDIP (0.400") - same | 16-DIP/QFP - differs | 32-SDIP-equivalent QFP - differs | QFP-equivalent - differs |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS08 (8-bit, HC08 ISA) | HCS08 (8-bit, HC08 ISA) | HCS08 (8-bit, HC08 ISA) | HCS08 (8-bit, HC08 ISA) | HCS08 (8-bit, HC08 ISA) |
| Flash Program Memory | 8 KB | 16 KB | 4 KB | 16 KB | 32 KB |
Principaux différenciateurs
- Drop-in Flash headroom within the same 32-SDIP footprint (vs MC9S08SV16CBM)
- 32-SDIP through-hole pinout suited to hand-prototyping and field service (vs MC9S08QG4CPBE)
- Higher Flash density when more code headroom is required (vs MC9S08AW32CFGE)
Notes de conception
Place a 0.1 uF X7R ceramic decoupling capacitor within 5 mm of each VDD pin and a single 4.7 uF to 10 uF bulk capacitor on the supply rail. The HCS08 core can produce brief current transients up to 50 mA during Flash programming; undersized decoupling causes spurious resets. Tie unused VDD pins to the same rail and unused VSS pins to ground to keep the on-chip voltage regulator stable.
Do not drive the BKGD pin with a push-pull driver during normal operation - it is a bidirectional background-debug line shared with the BDC interface. Leave the BKGD/MS pin in its default state (BKGD) for normal run mode and only assert mode-entry sequences for programming. The RESET pin has an internal pull-up, but an external 10 kohm pull-up to VDD is recommended for noisy industrial environments.
Route the EXTAL/XTAL traces (if used) as short, symmetric, guard-banded differential pairs to minimize clock jitter. Keep switching signals (PWM, TRIAC gate) at least 5 mm away from the VDD/VSS traces to avoid injecting noise into the ADC reference. The 32-SDIP through-hole footprint allows generous trace widths underneath the package - use 0.5 mm (20 mil) signals and 0.8 mm (30 mil) power traces for robust hand-prototyping.
Informations de conformité
AEC-Q100 not stated in web data; this is a commercial/industrial-grade 8-bit MCU, not automotive-qualified. RoHS/REACH/lead-free status marked unknown because the verified web snippets do not list them explicitly.
