S908QY4E0CDWER - 8-bit HC08/S08 MCU 4KB Flash | NXP
部品番号: S908QY4E0CDWER ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $7.04 | $7.04 |
| 10 | $6.78 | $67.80 |
| 100 | $6.25 | $625.00 |
| 500 | $5.8 | $2,900.00 |
| 1,000 | $5.45 | $5,450.00 |
S908QY4E0CDWER 概要
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM), and I/O peripherals. Within the taxonomy, this part sits at: 8-bit MCU -> microcontroller -> embedded controller -> integrated circuit -> semiconductor. The HC08/S08 architecture is one of the longest-lived 8-bit MCU families in the industry, originally developed by Motorola/Freescale (now NXP), known for deterministic behavior, low noise memory, and ultra-low-power modes suited to battery-powered and industrial designs.
Key features of the S908QY4E0CDWER include 4 KB of Flash program memory, 128 bytes of RAM, an internal bus clock capable of supporting 8 MHz CPU operation, multiple low-power stop and wait modes, and a 10-channel 10-bit successive-approximation ADC. The wide-body SOIC-16 package provides ease of hand-soldering and is compatible with hobbyist and industrial through-hole-to-SMD adapter workflows. The -E0 mask suffix identifies the specific silicon revision, and the -ER suffix in the data confirms tape-and-reel packaging orientation for high-volume assembly.
The S08 core uses a von Neumann-style architecture with a unified address space, simplifying C compiler code output. On-chip peripherals are memory-mapped, and the background debug module (BDM) allows non-intrusive in-circuit programming and debugging using a single-wire interface, which reduces pin count on the target board. The internal oscillator with trim capability eliminates the need for an external crystal in many applications, reducing BOM cost.
Typical applications include appliance control boards, automotive body electronics (non-safety), battery-powered sensor nodes, consumer white goods, simple motor control via PWM, and industrial control modules. The wide SOIC-16 package is often selected for prototyping and educational platforms because it is easy to handle and breadboard-compatible with SOIC-to-DIP adapters.
When designing with the S908QY4E0CDWER, ensure decoupling capacitors (typically 100 nF) are placed as close as possible to the VDD/VSS pin pairs. For applications requiring deterministic interrupt latency, configure the IRQ vector table to place high-priority ISRs at low vector addresses. If using the internal clock source, calibrate the ICG (internal clock generator) trim value to compensate for temperature drift.
This page synthesizes distributor stock data, parametric comparison with HC08/S08 family members, and practical design guidance drawn from NXP application notes that is not consolidated in the standalone manufacturer datasheet.
ドロップイン代替品: S908QY4E0CDWER — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: S908QY4E0CDWER （同一形状・フットプリント） — 相違点: Package, Core Processor, Program Memory Size, RAM Size, Packaging.
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S908QY4E0CDWE
✅ ドロップイン📋 参考代替品（カタログ未掲載）
S908QY4E0MDWE
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MC9S08QD4CSC
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
価格はお問い合わせください
データシートを見る →MC68HC908QY4CDWE
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
S9S08AW16AE0CLDR
✅ ドロップイン✓ 在庫あり
$2.6 / 個
データシートを見る →S908QY4E0CDWER 最大定格＆電気的特性
| Core | S08 (HC08/S08 family) |
| データバス幅 | 8 bit |
| Program Memory Size | 4 KB Flash |
| RAM Size | 128 B |
| 最大クロック周波数 | 8 MHz (internal bus) |
| パッケージ | SOIC-16 wide-body (DW) |
| 実装タイプ | Surface Mount |
| 動作温度範囲 | -40C to +85C (industrial) |
| ADC | 10-bit successive approximation |
| ADC Channels | Up to 10 |
| Timers | Multiple (TPM, MTIM) |
| Communication Interfaces | SCI (UART), SPI |
| On-chip Debug | Background Debug Mode (BDM) |
| Internal Oscillator | Yes (trimmable ICG) |
| Low-Power Modes | Stop, Wait, Run |
| Operating Voltage | 2.7 V to 5.5 V |
| RoHS ステータス | Compliant |
| MSLレベル | 3 |
| Mask Set | E0 |
| Packaging | Tape & Reel (-ER suffix) |
S908QY4E0CDWER ピン構成
| ピン 1 | VDD — Positive power supply (2.7V-5.5V) |
| ピン 2 | PTB1/AD1 — Port B bit 1 / ADC channel 1 |
| ピン 3 | PTB2/AD2 — Port B bit 2 / ADC channel 2 |
| ピン 4 | PTB3/AD3 — Port B bit 3 / ADC channel 3 |
| ピン 5 | PTB4/AD4 — Port B bit 4 / ADC channel 4 |
| ピン 6 | PTB5/AD5 — Port B bit 5 / ADC channel 5 |
| ピン 7 | BKGD/MS — Background Debug Mode / Mode Select |
| ピン 8 | PTA1/AD6 — Port A bit 1 / ADC channel 6 |
| ピン 9 | PTA2/AD7 — Port A bit 2 / ADC channel 7 |
| ピン 10 | PTA3/AD8 — Port A bit 3 / ADC channel 8 |
| ピン 11 | PTA4/AD9 — Port A bit 4 / ADC channel 9 |
| ピン 12 | PTA5/TCLK — Port A bit 5 / TPM clock input |
| ピン 13 | PTA6/TxD — Port A bit 6 / SCI transmit |
| ピン 14 | PTA7/RxD — Port A bit 7 / SCI receive |
| ピン 15 | VSS — Ground |
| ピン 16 | RESET — Reset input (active low) |
主な用途
S908QY4E0CDWER の用途: 7 件s: Appliance Control Boards, Battery-Powered Sensor Nodes, Automotive Body Electronics (Non-Safety), Industrial Control Modules, Consumer White Goods, Simple PWM Motor Control, Educational / Hobbyist Development.
Appliance Control Boards
The S908QY4E0CDWER's 4 KB Flash, 10-bit ADC, and PWM-capable timer make it well suited to washing-machine, refrigerator, and microwave control boards. Its 2.7-5.5V supply range covers both 3.3V and 5V appliance rails directly. Compared to a discrete logic implementation, the integrated MCU reduces BOM count by handling keypad scanning, temperature sensing via the ADC, and relay/PWM control from a single chip. The S08 core's deterministic interrupt latency ensures predictable response times for safety-critical functions such as door-lock interlocks.
おすすめ
Battery-Powered Sensor Nodes
For wireless sensor nodes and remote-control products, the S908QY4E0CDWER's stop and wait low-power modes draw microampere-level current, extending battery life. The internal trimmable oscillator eliminates the standby current of an external resonator, reducing quiescent drain. According to NXP S08 power benchmarks, the part's stop mode with the ADC disabled can reduce system current to single-digit microamps. The 10-bit ADC reads battery voltage, temperature, or sensor signals without an external analog front end.
おすすめ
Automotive Body Electronics (Non-Safety)
The S908QY4E0CDWER can be used in non-safety automotive body modules such as interior lighting controllers, seat-position memory, and accessory timers where AEC-Q100 is not strictly required. The S08 core's reliability and the -40C to +85C industrial temperature range tolerate the cabin thermal environment. For under-hood or safety-critical ECUs (ABS, airbag, ECU), however, designers should upgrade to AEC-Q100 parts such as the S9S08AW16AE0CLDR which carry the -AE mask suffix for automotive qualification.
おすすめ
Industrial Control Modules
For low-cost PLCs, motor-control front-ends, and industrial sensor interfaces, the S908QY4E0CDWER integrates the necessary timers, ADC, and serial interfaces. Compared to discrete timer/ADC ICs, the integrated MCU simplifies the BOM and provides reconfiguration of logic via software updates. The BDM single-wire debug interface reduces the connector pin count on sealed industrial enclosures. The SOIC-16W footprint supports both reflow soldering and hand-rework for prototyping.
おすすめ
Consumer White Goods
In washing machines, dishwashers, and small kitchen appliances, the S908QY4E0CDWER's 4 KB Flash fits standard control algorithms and the 128B SRAM supports typical state-machine firmware. The wide SOIC-16 package is well-suited to high-volume surface-mount lines common in white-goods manufacturing. The internal oscillator avoids the cost of an external resonator. Compared to choosing a Cortex-M mainstream 32-bit part, the S908QY4E0CDWER reduces unit cost while retaining deterministic behavior for cycle control.
おすすめ
Simple PWM Motor Control
The S908QY4E0CDWER's TPM (Timer/PWM) peripheral drives brushed DC motors, small BLDC fans, and solenoids. With PWM frequencies configurable from a few Hz to tens of kHz, the part handles variable-speed fan control, valve actuation, and pump control in HVAC and appliance applications. According to the S08QY datasheet, the TPM supports center-aligned and edge-aligned PWM with selectable polarity, supporting complementary outputs for half-bridge gate driving with appropriate external drivers.
おすすめ
Educational / Hobbyist Development
The S908QY4E0CDWER is popular on educational development boards and SOIC-to-DIP adapter boards because the wide-body SOIC-16 package is breadboard-friendly. Compared to QFN-package MCUs that require fine-pitch PCB footprints, the SOIC-16W can be hand-soldered and inserted into standard 0.1-inch pitch sockets. The BDM single-wire debug protocol is supported by low-cost USB-BDM pods, making it accessible for students and hobbyists learning embedded firmware development.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: S908QY4E0CDWER — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | S908QY4E0CDWE | MC9S08QD4CSC | MC68HC908QY4CDWE | S9S08AW16AE0CLDR |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | SOIC-16 (DW) | SOIC-16 (DW) - same | SOIC-16 (DW) - same | SOIC-16 (DW) - same | SOIC-16 (DW) - same |
| Core | S08 (8-bit) | S08 (8-bit) - same | S08 (8-bit) - same | HC08 (8-bit) - same | S08 (8-bit) - same |
| Program Memory | 4 KB Flash | 4 KB Flash - same | 4 KB Flash - same | 4 KB Flash - same | 16 KB Flash (+300%) |
| RAM | 128 B | 128 B - same | 256 B (+100%) | 128 B - same | 1 KB (+700%) |
| Maximum Clock | 8 MHz bus | 8 MHz - same | 8 MHz - same | 8 MHz - same | 20 MHz (+150%) |
| Operating Voltage | 2.7V to 5.5V | 2.7V to 5.5V - same | 2.7V to 5.5V - same | 2.7V to 5.5V - same | 2.7V to 5.5V - same |
| Automotive Grade | Industrial (-40C to +85C) | Industrial - same | Industrial - same | Industrial - same | AEC-Q100 automotive grade |
| Packaging | Tape & Reel | Tray (no -ER suffix) | Tape & Reel | Tape & Reel | Tape & Reel |
主な差別化要因
- SOIC-10W (DW) package for ease of hand-soldering and prototyping （vs MC9S08QD4CSC)
- Automotive-grade equivalent available in same package （vs S9S08AW16AE0CLDR)
- Same silicon in legacy HC007 (HC08) and modern S08 ordering codes （vs MC68HC908QY4CDWE)
設計ノート
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 1) and a bulk capacitor (typically 10 uF tantalum or ceramic) on the same VDD rail. For designs using the ADC, add an additional 100 nF decoupling on AVSS/VDDAD pair. The S908QY4E0CDWER's analog and digital supplies are internally bonded; for best ADC accuracy, place the analog ground near the analog pin reference and connect to digital ground at a single point. Avoid running high-current switching traces near the analog reference to minimize digital-noise coupling.
The SOIC-16 wide-body footprint accepts standard 1.27 mm pitch SOIC land pads. Pad width should be approximately 0.5 mm with 1.0 mm length to ensure proper solder fillet formation. For hand-soldering or breadboard adapter use, SOIC-to-DIP adapter boards are widely available. Keep the BKGD/MS pin (pin 7) trace short (<50 mm) and isolated from switching nodes to avoid debug-port noise coupling.
Do not leave unused I/O pins floating - configure them as outputs or inputs with the pull-up-down-pin enabled to reduce supply current and improve noise immunity. The RESET pin (pin 16) must be pulled high via an external 10 kohm resistor; omitting this can cause intermittent reset issues during brown-out conditions. When using the internal oscillator, calibrate the ICG trim value via the SRTISC or ICGTRM registers at production test to compensate for temperature drift.
Route the BKGD/MS pin (pin 7) away from high-frequency switching traces and decouple it with a small series resistor (typically 1 kohm) for production programming-port protection. Place the VSS ground pin (pin 15) directly above a continuous ground pour on the top layer with multiple vias stitching the bottom ground plane for low-impedance return paths. This minimizes ground bounce during GPIO switching and improves ADC measurement stability.
コンプライアンス情報
RoHS and lead-free per LCSC and JLCPCB listings. Not AEC-Q100 qualified; for automotive applications use S9S08AW16AE0CLDR.
