MC9S08QD4MSCR - 8-bit S08 MCU, 4KB Flash, 16MHz | NXP
N.º de pieza: MC9S08QD4MSCR ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $5.4825 | $5,48 |
| 10 | $4.85 | $48,50 |
| 100 | $4.18 | $418,00 |
| 500 | $3.62 | $1.810,00 |
| 1.000 | $3.15 | $3.150,00 |
MC9S08QD4MSCR Descripción general
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus, optimized for cost, deterministic real-time behavior, and low-power operation in embedded systems. Within the broader taxonomy, the MC9S08QD4MSCR belongs to the 8-bit MCU -> HCS08 family -> S08QD sub-family -> NXP Kinetis/Motorola legacy 8-bit MCU line -> microcontroller -> semiconductor. 8-bit MCUs are widely deployed in white goods, sensor interfaces, simple motor control, and automotive body electronics where cost per IO dominates over raw compute throughput.
Key features include the HCS08 CPU core with the BGND instruction, 4-channel 10-bit ADC, two 16-bit timers (TPM1/TPM2), 8-pin SOIC small-footprint packaging, and an operating voltage range of 2.7V to 5.5V. The MC9S08QD4MSCR also includes an internal clock, low-voltage detect (LVD), and an SCI/UART interface for asynchronous serial communication. Multiple package and pin variants in the S08QD family enable pin-compatible scaling between 2KB, 4KB, and 8KB Flash densities.
Architecturally, the device uses a Von Neumann bus with separate Flash and RAM regions, background debug mode (BDM) for in-circuit programming and single-breakpoint debugging, and a hardware interrupt controller. The 16MHz internal bus clock provides 1.5 MIPS/MHz performance, sufficient for state-machine control loops in cost-sensitive applications.
Typical applications include automotive body controllers, sensor signal conditioning, low-end BLDC/PMSM motor drivers, replacement of discrete logic in appliance controls, and consumer IR/RF remote controls. The S08QD family is automotive-qualified (select S-prefix parts), making the platform a natural fit for under-the-hood and chassis-adjacent designs.
When designing with the MC9S08QD4MSCR, allocate sufficient Flash for boot-loader or application code growth above the 4KB baseline. Decouple VDD/VSS with 100nF ceramic capacitors placed within 5mm of the package pins, and use the BDM interface for fast in-circuit programming during development.
This page synthesizes distributor pricing, drop-in alternatives, application guidance, and design notes that complement the manufacturer datasheet, helping engineers rapidly evaluate the MC9S08QD4MSCR for new designs or as a second-source replacement for legacy 8-bit MCU sockets.
Alternativas directas para MC9S08QD4MSCR — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con MC9S08QD4MSCR (mismo factor de forma y huella) — difiere en Package, Program Memory Size.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC9S08QD4CSCR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MC9S08QD2VSCR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
S9S08QD4MSCR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MC9S08QG4CFFE
✅ Sustitución directa✓ En stock
$1.1 / unidad
Ver hoja de datos →MC9S08QD4MSCR Valores máximos y características eléctricas
| Core | HCS08 (S08 core) |
| Ancho del bus de datos | 8 bit |
| Maximum CPU Frequency | 16 MHz |
| Program Memory Size | 4 KB (4K x 8) Flash |
| RAM Size | 256 B |
| Encapsulado | 8-SOIC (SO-8) |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Rango de temperatura de funcionamiento | -40 C to +125 C |
| ADC | 10-bit, 4 channels |
| Timers | Two 16-bit TPM |
| Communication Interface | SCI (UART) |
| Debug Interface | Background Debug Mode (BDM), single breakpoint |
| Instruction Set | HC08 with added BGND instruction |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Configuración de pines de MC9S08QD4MSCR
| Pin 1 | VDD — Positive supply voltage (2.7 V to 5.5 V) |
| Pin 2 | BKGD/MS — Background Debug Mode / Mode Select |
| Pin 3 | IRQ/TCLK/RESET — External interrupt / Timer clock / Reset |
| Pin 4 | PTA0/TPM1CH0/ADC0 — GPIO / TPM1 channel 0 / ADC input 0 |
| Pin 5 | PTA1/TPM1CH1/ADC1 — GPIO / TPM1 channel 1 / ADC input 1 |
| Pin 6 | PTA2/SDA/TPM2CH0 — GPIO / I2C SDA / TPM2 channel 0 |
| Pin 7 | PTA3/SCL/TPM2CH1 — GPIO / I2C SCL / TPM2 channel 1 |
| Pin 8 | VSS — Ground reference |
Aplicaciones típicas
MC9S08QD4MSCR es adecuado para 6 aplicacións: Automotive Body Electronics, Appliance Control Boards, Sensor Signal Conditioning, Consumer Remote Controls (IR/RF), Low-End BLDC/PMSM Motor Drivers, Industrial Sensor Nodes.
Automotive Body Electronics
The MC9S08QD4MSCR's 16 MHz HCS08 core, 2.7-5.5V operating range, and automotive-grade temperature support (-40 C to +125 C) make it well-suited for body control modules. In door modules, seat controllers, and lighting drivers, the 4 KB Flash holds state-machine logic and LIN slave stacks while the 10-bit ADC reads analog sensor inputs. Compared to the S9S08QD4MSCR (AEC-Q100), the MC9S08QD4MSCR is the cost-optimized industrial counterpart sharing the same die.
Recomendado
Appliance Control Boards
Washing machines, dishwashers, microwave ovens, and HVAC indoor units benefit from the MC9S08QD4MSCR's integrated peripherals and 8-pin SOIC footprint. The 4 KB Flash accommodates UI state machines and simple sensor fusion, while the two 16-bit TPM modules drive triac/PWM outputs for motor and heater control. The wide 2.7-5.5V supply directly accepts 3.3V regulated or 5V USB-bus power rails.
Recomendado
Sensor Signal Conditioning
The MC9S08QD4MSCR's 10-bit ADC with up to 4 analog input channels and integrated timers is well-matched to low-rate sensor signal conditioning in thermistor, photo-diode, or Hall-effect interfaces. The 16 MHz CPU executes moving-average filtering, threshold detection, and SCI/UART reporting at very low BOM cost. Compared to discrete op-amp solutions, the integrated MCU reduces part count and PCB area by 50-70%.
Recomendado
Consumer Remote Controls (IR/RF)
Remote controls for TVs, set-top boxes, and smart-home hubs use the MC9S08QD4MSCR for its low power consumption, integrated timers for IR carrier generation, and SCI/UART for RF module interfaces. The 4 KB Flash holds key-matrix scanning logic and protocol stacks (NEC, RC5, or proprietary RF). The 8-SOIC package minimizes PCB real estate to fit into coin-cell powered enclosures.
Recomendado
Low-End BLDC/PMSM Motor Drivers
Small BLDC or PMSM motors in fans, pumps, and toys benefit from the MC9S08QD4MSCR's two 16-bit TPM channels generating complementary PWM at up to 16 MHz timer tick. The 10-bit ADC reads back-EMF or current-sense signals for sensorless trapezoidal commutation. This MCU replaces discrete 8-bit logic ICs in compact motor-driver daughter-boards at lower cost per node.
Recomendado
Industrial Sensor Nodes
Industrial 4-20 mA loop-powered sensor heads, simple PLC digital inputs, and serial-bus sensor hubs use the MC9S08QD4MSCR for its rugged -40 to +125 C operation and SCI/UART for Modbus RTU or RS-485 reporting. The 256 B RAM and 4 KB Flash are sufficient for polled sensor data with simple calibration tables. The wide operating voltage covers 24V industrial rails through on-board regulation.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC9S08QD4MSCR — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC9S08QD4CSCR | MC9S08QD2VSCR | S9S08QD4MSCR | MC9S08QG4CFFE |
|---|---|---|---|---|---|
| Package | 8-SOIC (wide) | 8-SOIC (narrow) | 8-SOIC | 8-SOIC | 8-SOIC |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS08 (S08) | HCS08 (S08) | HCS08 (S08) | HCS08 (S08) | HCS08 (S08QG) |
| Flash Memory | 4 KB | 4 KB | 2 KB | 4 KB | 4 KB |
| RAM Size | 256 B | 256 B | 256 B | 256 B | 256 B |
| Max CPU Frequency | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz |
| ADC | 10-bit, 4 ch | 10-bit, 4 ch | 10-bit, 4 ch | 10-bit, 4 ch | 10-bit, 4 ch |
| Operating Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V (extended) | 2.7 V to 5.5 V | 1.8 V to 3.6 V |
| Automotive Grade | No | No | No | Yes (AEC-Q100) | No |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C |
Diferenciadores clave
- Compact 8-SOIC footprint with full HCS08 peripheral set (frente a MC9S08AW60CPUE)
- Industrial temperature grade with automotive die lineage (frente a S9S08QD4MSCR)
- Wide 2.7-5.5V supply accepts both 3.3V and 5V rails (frente a MC9S08QG4CFFE)
Notas de diseño
Place a 100 nF ceramic decoupling capacitor within 5 mm of the VDD pin (pin 1) and a bulk 4.7 uF or 10 uF capacitor at the regulator output. The MC9S08QD4MSCR has integrated LVD; configure the LVD trip threshold in the system reset status register to enter a known safe state before brown-out. Estimated: at 16 MHz active mode and 5 V supply, the MCU draws approximately 5-7 mA, so the regulator must source at least 10 mA with adequate headroom.
The 8-SOIC package has 1.27 mm pin pitch - keep traces short and route the BKGD/MS line away from switching nodes to avoid noise coupling into the debug interface. Add a 4.7 kohm pull-up to BKGD/MS if the debugger cable is frequently unplugged during development. Provide a ground pour under the package for thermal dissipation and noise immunity; this also improves ADC readings by reducing digital-to-analog crosstalk.
Do not exceed the absolute maximum ratings of 6.5 V on VDD, even during hot-plug transients. When migrating from a 5 V to a 3.3 V rail, verify all GPIO pin voltage compatibility with connected peripherals - the MC9S08QD4MSCR outputs 5 V tolerant levels at VDD=5 V but only 3.3 V at VDD=3.3 V. Always confirm that the BDM debugger is rated for the target supply voltage before connecting.
Información de cumplimiento
RoHS compliant per NXP product page. Industrial temperature grade (-40 to +125 C). For AEC-Q100 automotive qualification, select the S9S08QD4MSCR variant.
