MC908QT1AMDWER - 8MHz 8-Bit MCU | NXP | Automotive
MPN: MC908QT1AMDWER ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.2942 | $2.29 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC908QT1AMDWER Overview
A microcontroller is a programmable semiconductor that integrates a CPU, memory, and peripherals into one compact device. The MC908QT1AMDWER provides the basic control and sensing resources required for compact embedded products. Its small package and limited memory footprint suit cost-sensitive applications that need simple sequencing, input reading, output control, and local automation rather than high-performance processing or extensive connectivity.
The verified specifications identify a 1,572,864-byte Flash memory, an 8 MHz maximum clock frequency, a 3.3 V or 5 V operating supply description, and eight terminals in an 8-SOIC package. The supplied Microchip USA result further specifies a 1.27 mm terminal pitch and CMOS technology. These details make the part relevant to small controllers, appliance controls, simple industrial interfaces, and embedded automotive subsystems.
Technically, the M68HC08 CPU is a complex-instruction-set processor with Von Neumann organization. The architecture can support compact control code and deterministic I/O-oriented firmware. However, the available information does not verify RAM capacity, peripheral details, ADC resources, timer specifications, or electrical limits, so those parameters should not be inferred from the family name.
Typical applications include small appliance controls, sensor-conditioning nodes, compact automotive modules, basic motor-control interfaces, and embedded control boards that require an 8-bit MCU. The six verified general-purpose I/O pins provide the physical interface for switches, indicators, sensors, or external logic.
Designers should verify the complete manufacturer datasheet before final schematic approval, especially pin multiplexing, reset behavior, clock requirements, memory limits, and automotive qualification. Do not treat this product page as a substitute for the device datasheet or for an AEC-Q100 qualification statement.
This page consolidates the supplied distributor and manufacturer-linked references, separates verified facts from unavailable data, and provides engineering-oriented selection guidance for the MC908QT1AMDWER.
Drop-in alternatives for MC908QT1AMDWER — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MC908QT1AMDWER (same form factor and footprint) — differing in Product Type, Lead-Free Status, Lifecycle Status, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC908QT1ACDWE
✅ Drop-In📋 Reference alternative (not in catalog)
MC908QT1AMDWE
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View Datasheet →MC908QT4ACDWER
✅ Drop-In📋 Reference alternative (not in catalog)
MC908QT1ACDWE
✅ Drop-In📋 Reference alternative (not in catalog)
MC908QT1AMDWE
✅ Drop-In✓ In Stock
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View Datasheet →MC908QT1AMDWER Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit microcontroller |
| Maximum Clock Frequency | 8 MHz |
| Flash Memory | 1.5 KB |
| Flash Memory Size | 1,572,864 bytes |
| CPU Architecture | M68HC08 CISC |
| Computer Architecture | Von Neumann |
| Operating Supply | 3.3 V or 5 V |
| General-Purpose I/O Pins | 6 |
| Package | 8-SOIC |
| Terminal Count | 8 terminals |
| Terminal Pitch | 1.27 mm |
| Package Code | SOP |
| Package Shape | Rectangular |
| Mounting Type | Surface mount |
| Technology | CMOS |
| Temperature Grade | Automotive |
| Supplier Description | HC08 HC08 Microcontroller IC 8-Bit 8MHz 1.5KB (1.5K x 8) FLASH 8-SO |
MC908QT1AMDWER rectangular Pin Configuration Guide
Pin configuration for MC908QT1AMDWER (rectangular package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MC908QT1AMDWER.
Refer to the datasheet for full pin configuration.
Typical Applications
MC908QT1AMDWER is suitable for 6 applications: Compact Automotive Control Module, Small Appliance Controller, Simple Sensor Interface Node, Basic Motor and Relay Sequencer, Legacy Embedded Product Maintenance, Industrial Discrete-Control Board.
Compact Automotive Control Module
The MC908QT1AMDWER is a candidate for compact automotive control modules because the supplied data identifies automotive temperature grade and the device uses a compact 8-SOIC package with six general-purpose I/O pins. It can manage simple discrete inputs, relay or indicator outputs, and local sequencing without a large processor. The 8 MHz HC08 core and 1.5 KB Flash fit small control tasks where memory is intentionally constrained. Before deployment, verify the exact temperature range, AEC-Q100 status, reset behavior, and pin multiplexing in the manufacturer documentation.
Recommended
Small Appliance Controller
The MC908QT1AMDWER suits a small appliance controller when the required functions are limited to push-button inputs, indicator control, timing, and simple actuator sequencing. Its 8-bit M68HC08 CISC architecture can execute compact control logic, while 1.5 KB of Flash provides a defined firmware budget. The 3.3 V or 5 V supply description allows power-architecture planning, but the exact input thresholds and current limits must come from the datasheet. Use the six verified general-purpose I/O pins as a conservative starting point and confirm whether additional functions are multiplexed.
Recommended
Simple Sensor Interface Node
The MC908QT1AMDWER can serve as a small sensor-interface node when the sensor outputs are discrete or low-bandwidth signals and the node needs local thresholding or state reporting. The six general-purpose I/O pins provide a straightforward interface to switches, digital sensors, or external logic, while the 8 MHz CPU supports basic control flow. The supplied data does not confirm an ADC, comparator, UART, or timing peripheral, so analog sensing should not be assumed. A sensor design should first verify the exact peripheral list and pin multiplexing from the exact device datasheet.
Recommended
Basic Motor and Relay Sequencer
The MC908QT1AMDWER is appropriate for basic sequencing tasks involving relays, solenoids, indicators, or small discrete motor-control stages when the controller does not require complex commutation or high-current drive electronics. Its six general-purpose I/O pins can provide logic-level control signals to external drivers, while the 8 MHz CPU can coordinate timing and state transitions. The MCU should not directly drive loads unless the electrical limits and protection requirements are confirmed. Validate timer resources, output-drive strength, voltage levels, and isolation requirements before final circuit design.
Recommended
Legacy Embedded Product Maintenance
The MC908QT1AMDWER is most practical for maintaining an existing HC08-based embedded product rather than starting an unrestricted new design. A 1.5 KB Flash budget, 8 MHz clock, six general-purpose I/O pins, and 8-SOIC package can reproduce the original architecture when toolchain, firmware, and board layout requirements are already established. Migration to a modern MCU may offer more memory and peripherals but can require changes to startup code, interrupt vectors, timing, and the PCB. Use the exact original MPN for repairs and production continuity after confirming lifecycle and supply status.
Recommended
Industrial Discrete-Control Board
The MC908QT1AMDWER can support a small industrial discrete-control board when the required I/O count is modest and the control logic is deterministic. The 8-bit architecture and 1.5 KB Flash are appropriate for machine-like state machines, alarm handling, and simple sequencing, while the SOIC-8 package supports compact board layouts. Industrial suitability should not be inferred from the MCU category alone because the supplied data does not verify EMC, surge, extended-temperature, or functional-safety requirements. Confirm operating limits and quality documentation before using it in a harsh environment.
Recommended
Recommended Products Summary
Engineering reference data for MC908QT1AMDWER — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC908QT1ACDWE | MC908QT1AMDWE | MC908QT4ACDWER | MC908QT1ACDWE | MC908QT1AMDWE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Product Type | 8-bit microcontroller | 8-bit microcontroller | 8-bit microcontroller | 8-bit microcontroller | 8-bit microcontroller | 8-bit microcontroller |
Key Differentiators
- Exact target identity for legacy HC08 designs (vs MC908QT1ACDWE)
- Verified automotive temperature-grade description (vs MC908QT4ACDWER)
- Verified 1.5 KB Flash resource (vs MC908QT1ACDWE)
Design Notes
Do not approve an MC908QT1AMDWER replacement based only on the 8 MHz, 8-bit, and 8-SOIC descriptions. The supplied comparison results explicitly indicate that some electrical characteristics may differ, and the supplied data does not provide a complete pinout or timing table. Verify power pins, oscillator connections, reset, programming/debug access, interrupt sources, and alternate-function mapping against the exact manufacturer datasheet before changing a released PCB.
Treat the 1.27 mm terminal pitch and 8-SOIC outline as the mechanical starting point, but obtain the official package drawing before layout release. Preserve the documented power and decoupling-pin locations, provide clean return paths for digital and any analog signals, and route programming or debug access only after confirming the actual device pinout. The supplied material does not provide capacitor values or a reference design, so those details must not be guessed.
The supplied data describes 3.3 V or 5 V operation but does not provide current consumption, voltage tolerances, or absolute maximum ratings. Confirm the operating rail and I/O levels from the datasheet before selecting a regulator, level shifter, or protection device. Validate startup and reset behavior across the full supply range, and ensure any external actuator driver has its own protection rather than relying on the MCU output stage.
Compliance Information
The supplied references identify automotive temperature grade but do not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Compliance must be confirmed from current manufacturer documentation.