MC9S08QE4CPG - 8-Bit 20MHz 4KB Flash MCU | NXP DIP-16
N.º de pieza: MC9S08QE4CPG ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.45 | $3,45 |
| 10 | $3.05 | $30,50 |
| 100 | $2.65 | $265,00 |
| 500 | $2.3 | $1.150,00 |
| 1.000 | $2.05 | $2.050,00 |
MC9S08QE4CPG Descripción general
The S08QE is a family of low-power 8-bit microcontrollers whose closest hypernym is "low-power 8-bit MCU" — itself a subset of microcontrollers (MCU), embedded controllers, microprocessors, and ultimately semiconductors. An 8-bit MCU executes instructions on 8-bit-wide data paths and is widely used in cost- and power-constrained designs where 32-bit performance is unnecessary. The MCU category sits inside the broader embedded systems hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor device. The S08QE in particular is engineered for ultra-low standby current (down to 1 µA in stop mode per the NXP product page), making it a member of the "low-power MCU" product class alongside competing MSP430 and PIC16F families.
Key features of the MC9S08QE4CPG include the HCS08 CPU executing the S08 instruction set, 4 KB Flash with security, 512 B SRAM, multiple low-power modes including stop mode drawing approximately 1 µA, integrated analog (ADC and analog comparator), multiple timers including a periodic interrupt timer, and a robust set of serial communication peripherals. The 20 MHz CPU performance is achieved from a 50.33 MHz internal bus when operating at supply voltages above 2.1 V (per the device datasheet). The 16-pin PDIP package supports through-hole assembly, easing prototyping and breadboarding for hobbyist and industrial designs.
Architecturally, the S08QE family shares background-debug mode (BDM), an internal voltage regulator that supports both 1.8 V and 3.3 V operation, and a peripheral set optimized for low-duty-cycle sensing applications. Flash memory is in-application reprogrammable, allowing field firmware updates via the standard Freescale/NXP BDM interface or via in-application programming routines.
Typical applications include battery-powered sensor nodes, household appliances, simple human-interface devices, automotive body electronics, and low-cost industrial controllers. The wide operating voltage and ultra-low standby current also make the part a common choice for remote controls, security keypads, and metering peripherals.
When designing with the MC9S08QE4CPG, place a 0.1 µF decoupling capacitor as close as practical to each VDD pin pair and follow NXP's recommended PCB layout for the analog supply. Ensuring proper bulk capacitance and following the datasheet's power-supply sequencing guidance eliminates most common noise and reset problems.
This page synthesizes distributor pricing, drop-in compatible alternatives from the S08QE family and pin-compatible peer MCUs, and practical design notes not found in the standalone manufacturer datasheet, enabling faster component selection for low-power 8-bit designs.
Alternativas directas para MC9S08QE4CPG — 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 MC9S08QE4CPG (mismo factor de forma y huella) — difiere en Package, Mounting Type, Core Processor, Debug Interface, Maximum Clock Frequency.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC9S08QE8CPG
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MC9S08QE4CWL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MC9S08QG4CFFE
✅ Sustitución directa✓ En stock
$1.1 / unidad
Ver hoja de datos →MC9RS08KA4CPG
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MC9S08FL16CBM
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MC9S08QD4CSC
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MC9S08QE4CPG Valores máximos y características eléctricas
| Core | S08 (HCS08) 8-bit CPU |
| CPU Maximum Frequency | 20 MHz (50.33 MHz bus at VDD >= 2.1 V) |
| Program Memory (Flash) | 4 KB (4K x 8) |
| RAM | 512 B |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Rango de temperatura de funcionamiento | -40C to +85C (industrial) |
| Encapsulado | 16-pin PDIP (DIP-16, through-hole) |
| I/O Pins | Up to 12 general-purpose I/O (per 16-pin package) |
| Low-Power Stop Mode Current | Approx. 1 uA |
| Debug Interface | Background Debug Mode (BDM) |
| Tipo de montaje | Through-Hole (PDIP) |
| Estado RoHS | Compliant |
| Family | S08QE (Flexis, 8/32-bit pin-compatible family) |
| Lifecycle Stage | ACTIVE |
Configuración de pines de MC9S08QE4CPG
| Pin 1 | VSS — Ground reference |
| Pin 2 | PTA5/TCLK/RESET — General-purpose I/O, timer clock input, or RESET (selected by FOPT) |
| Pin 3 | PTA4/BKGD/MS — General-purpose I/O, Background Debug Mode pin, or mode select |
| Pin 4 | PTA3 — General-purpose I/O |
| Pin 5 | PTA2 — General-purpose I/O |
| Pin 6 | PTA1 — General-purpose I/O |
| Pin 7 | PTA0/TPM1CH1 — General-purpose I/O or TPM1 Channel 1 |
| Pin 8 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 9 | VSS — Ground reference |
| Pin 10 | PTB7/SDA — General-purpose I/O or I2C SDA |
| Pin 11 | PTB6/SCL — General-purpose I/O or I2C SCL |
| Pin 12 | PTB5/TPM1CH2 — General-purpose I/O or TPM1 Channel 2 |
| Pin 13 | PTB4 — General-purpose I/O |
| Pin 14 | PTB3/MOSI — General-purpose I/O or SPI MOSI |
| Pin 15 | PTB2/MISO — General-purpose I/O or SPI MISO |
| Pin 16 | PTB1/TPM1CH0 — General-purpose I/O or TPM1 Channel 0 |
Aplicaciones típicas
MC9S08QE4CPG es adecuado para 6 aplicacións: Battery-Powered Sensor Node, Appliance Control Board, Remote Control / Consumer HMI, Automotive Body Electronics, Industrial Low-Cost Controller, Security Keypad / Accessory Module.
Battery-Powered Sensor Node
The MC9S08QE4CPG suits battery-powered sensor nodes because it consumes approximately 1 µA in stop mode and operates from 1.8 V to 3.6 V, allowing direct connection to a single CR2032 or two AA cells. Its 4 KB Flash accommodates typical sensor-fusion firmware (one-wire, I2C, or SPI peripherals are integrated), while the 20 MHz CPU handles periodic ADC conversions and packet encoding without timing pressure. Place the MCU between the battery and the sensor with a 0.1 µF decoupling cap, and use the periodic interrupt timer to wake the part for measurement-then-transmit cycles, then return to stop. The wide voltage range avoids the need for a discrete boost converter, shrinking the BOM. Combined with the 16-pin PDIP package, this enables hand-solderable prototypes and easy battery-clip integration - keeping total quiescent current low while preserving rapid wake-and-measure capability.
Recomendado
Appliance Control Board
White-goods and small appliance designers use the MC9S08QE4CPG for user-interface and motor-control housekeeping because the 20 MHz HCS08 CPU easily drives segmented LCD or LED scan routines, keypads, and triac-based load control. The MCU's integrated ADC and analog comparator enable direct sensing of mains-zero-crossing events and temperature thermistor feedback; the integrated timers handle PWM for low-frequency motor or valve actuation. Its 1.8 V to 3.6 V supply means a small switching or linear power supply from rectified mains is sufficient. With 4 KB Flash, sufficient for state-machine control and minimal UI logic, this device can replace older 8051-class MCUs while reducing quiescent current. Surface-mount variants (CWL) of the same silicon exist for volume assembly.
Recomendado
Remote Control / Consumer HMI
Infrared remote controls and small human-interface devices benefit from the MC9S08QE4CPG's combination of low stop-mode current (~1 µA), small Flash (4 KB holds typical IR protocol stacks like RC5/RC6/SIRC), and integrated timers that drive the carrier generation in hardware. The 20 MHz instruction rate is comfortable for bit-banged or hardware-driven IR modulation, while the 16-pin PDIP simplifies prototypes housed in molded plastic with hand-fitted through-hole PCBs. Designers can wake on a hardware interrupt from a wake-up key or motion sensor, transmit a short IR burst, then return to stop, giving multi-year battery life. The 1.8 V minimum VDD is compatible with single-cell alkaline or lithium chemistries without a boost converter.
Recomendado
Automotive Body Electronics
The MC9S08QE4CPG targets cost-sensitive automotive body applications such as interior lighting controllers, seat-position switches, and accessory modules. Its 1.8 V to 3.6 V supply tolerates the cranking and load-dump transients typical of 12 V automotive rails when paired with a simple external regulator. The HCS08 core's deterministic interrupt response and the integrated ADC simplify analog sensor reading (e.g., thermistor or position feedback). 4 KB Flash holds typical body-control state machines. For AEC-Q100-qualified versions in the same family, NXP provides the S08QE automotive grade - consult the NXP product page for full automotive part-number suffixes and PPAP documentation. Through-hole PDIP supports prototype and low-volume trim-level programs common in body electronics.
Recomendado
Industrial Low-Cost Controller
Industrial control panels, simple timers, and metering peripherals use the MC9S08QE4CPG where 4 KB Flash is enough for parameter storage and a control loop, and where the wide supply voltage (1.8 V to 3.6 V) tolerates industrial 24 V systems regulated down via a small LDO or buck converter. The integrated ADC samples transducer outputs, the timers generate PWM for valve or heater actuation, and the UART/SPI/I2C peripherals talk to remote sensors or industrial bus bridges. The 16-pin PDIP simplifies in-house assembly and field-replaceable modules. Stop-mode current of 1 µA supports battery-backed meters that sleep between infrequent measurement cycles, and the S08 instruction set plus BDM debug shortens firmware development cycles.
Recomendado
Security Keypad / Accessory Module
Door-entry keypads, alarm panel keypads, and similar security accessories favor the MC9S08QE4CPG because 4 KB Flash accommodates keypad scanning, debouncing, and rolling-code or PIN-verification logic, while 512 B RAM is sufficient for backlight control and current state. The integrated timers support key-press timing and watchdog reset, the analog comparator is useful for cable-tamper detection, and the 1 µA stop-mode current extends backup-battery lifetime during power-loss. The 16-pin PDIP enables service-friendly through-hole boards that field technicians can swap quickly. The 1.8 V to 3.6 V supply runs directly from a small Li-ion cell with a power-management network.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC9S08QE4CPG — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC9S08QE8CPG | MC9S08QE4CWL | MC9S08QG4CFFE | MC9RS08KA4CPG | MC9S08FL16CBM | MC9S08QD4CSC |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | PDIP-16 | PDIP-16 - same | SOIC-16W (surface-mount, same family) | PDIP/SOIC-equivalent | PDIP-16 - same | PDIP-16 - same | PDIP-16 - same |
| Core | HCS08 (S08) 8-bit | HCS08 (S08) 8-bit - same | HCS08 (S08) 8-bit - same | HCS08 (S08) 8-bit - same | RS08 reduced 8-bit | HCS08 (S08) 8-bit - same | HCS08 (S08) 8-bit - same |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash Memory | 4 KB | 8 KB (+100%) | 4 KB (same) | 4 KB (same) | 4 KB (same) | 16 KB (+300%) | 4 KB (same) |
| RAM | 512 B | 512 B (same) | 512 B (same) | 256 B (-50%) | 512 B (same) | 1 KB (+100%) | 256 B (-50%) |
| Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| AEC-Q100 Automotive Grade | No (industrial grade) | No (industrial grade) | No (industrial grade) | No (industrial grade) | No (industrial grade) | No (industrial grade) | No (industrial grade) |
Diferenciadores clave
- Ultra-low stop-mode current for battery designs (frente a MC9S08QG4CFFE)
- Pin-compatible 32-bit migration path (Flexis) (frente a MC9RS08KA4CPG)
- Through-hole PDIP option for prototype-friendly assembly (frente a MC9S08FL16CBM)
Notas de diseño
Estimated: at VDD = 3.3 V and CPU running at 20 MHz with all peripherals active, the typical active current is in the single-digit mA range (datasheet typical characteristic). Place a 0.1 uF decoupling capacitor as close as possible to each VDD/VSS pin pair; add a 1 uF bulk capacitor on the supply rail to handle stop-mode wake transients. The IC's internal voltage regulator does not require an external bypass capacitor, simplifying the power network for battery designs.
The 16-pin PDIP has a 2.54 mm pin pitch, compatible with standard IC sockets and breadboards. For mixed-signal designs (e.g., analog sensor input on PTA5 with low-voltage signals), keep a guard ring around the analog pin connected to VSSA and avoid routing digital signals across the analog trace to minimize coupling. The BKGD/MS pin (pin 3) needs a pull-up or pulldown resistor during reset per the datasheet; do not leave it floating in production layouts.
Common pitfalls include: (1) leaving the BKGD pin floating, which can cause unintended mode entry; (2) exceeding VDD beyond 3.6 V during load-dump transients - add a TVS diode or regulator for 12 V automotive rails; (3) forgetting to enable the internal pull-ups on I2C pins, leading to bus lockup; and (4) writing to Flash above the rated endurance, which NXP specifies at program/erase cycles - implement firmware wear-leveling for parameters stored in Flash.
When using the integrated ADC, ensure the analog supply (VDDA, internally tied to VDD on this part family) is well decoupled and that the ADC input traces are kept short and away from PWM outputs on the same pins. For PWM-driven loads (motors, solenoids), the device can typically drive the logic-level MOSFET directly, but external gate buffering is recommended above 1 kHz switching at high duty cycles. The S08QE includes an internal clock with FLL - run the FLL after enabling the external crystal reference, not before, to avoid clock glitches.
Información de cumplimiento
Per NXP product page and DigiKey listing. Industrial-grade part; AEC-Q100-qualified variants exist in the S08QE family with different suffixes - consult the NXP automotive product catalog for full AEC-Q100 options.
