MC908QT1AMDWE - 8-Bit 8 MHz Flash MCU | NXP
MPN: MC908QT1AMDWE ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC908QT1AMDWE Overview
The M68HC08 is a CISC microcontroller family built around the enhanced CPU08 core and Von Neumann architecture. This places the device in the broader hierarchy of embedded microcontroller, 8-bit MCU, and semiconductor categories. Its compact package and low-cost design are suited to small control systems where code execution, digital I/O, and straightforward embedded control are more important than high-speed data processing or large memory capacity.
The MC908QT1AMDWE provides 1.5 KB of Flash memory for program storage, six I/O ports, and an 8 MHz operating speed according to the verified distributor data. The part is identified as CI NITRON SOG by NXP distributor listings. Its Flash architecture supports programmed application execution while the six I/O ports provide interfaces for sensors, switches, indicators, actuators, or other external control signals.
The verified specifications describe the device as an 8-bit MCU with CISC/Von Neumann architecture and an enhanced M68HC08 CPU. One distributor listing reports a 4.5 V to 5.5 V supply range, while another identifies the device as a 3.3 V/5 V part. Because the provided sources do not establish a single complete electrical timing and memory table, detailed values beyond the verified fields are not inferred here.
Typical applications include simple motor or relay control, keypad and pushbutton interfaces, indicator and LED logic, basic sensor conditioning, and small industrial control modules. The 8-pin SOIC footprint makes it useful where a compact, low-pin-count controller is required. Designers should verify the exact pin functions, oscillator requirements, programming method, and electrical limits in the manufacturer documentation before layout or firmware release.
For PCB design, keep the MCU supply decoupling close to its supply pins and confirm the selected operating voltage against the exact datasheet. Firmware timing must be checked against the specified clock configuration. This page combines verified distributor specifications, lifecycle information, application guidance, and source-linked engineering considerations while avoiding unsupported parameter assumptions.
Drop-in alternatives for MC908QT1AMDWE — 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 MC908QT1AMDWE (same form factor and footprint) — differing in Product Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
No drop-in alternatives available for this product.
Request AlternativesMC908QT1AMDWE Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit microcontroller unit (MCU) |
| Architecture | CISC with Von Neumann architecture |
| CPU Core | Enhanced M68HC08 CPU (CPU08) |
| Clock Speed | 32 MHz |
| Internal Bus Frequency | 8 MHz |
| Program Memory | 1.5 KB Flash |
| Memory Organization | 1.5K x 8 |
| I/O Ports | 6 |
| Supply Voltage | 4.5 V to 5.5 V |
| Alternative Supply Description | 3.3 V/5 V |
| Operating Range | Industrial |
| Package Type | SOIC-8 |
| Mounting Type | Surface Mount |
| Lead-Free Status | Lead-free |
| Lifecycle Status | Active |
| Manufacturer Description | CI NITRON SOG |
| Datasheet Availability | Manufacturer data sheet link listed |
MC908QT1AMDWE soic-8 Pin Configuration Guide
Pin configuration for MC908QT1AMDWE (soic-8 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 MC908QT1AMDWE.
Refer to the datasheet for full pin configuration.
Typical Applications
MC908QT1AMDWE is suitable for 6 applications: Simple Industrial Relay Control, Keypad and Pushbutton Interface, LED Indicator and Status Control, Basic Sensor Signal Conditioning, Small Motor or Actuator Controller, Compact Embedded Data Logger.
Simple Industrial Relay Control
The MC908QT1AMDWE fits compact relay-control boards where a low-pin-count 8-bit MCU must read inputs and energize a control output. Its verified six I/O ports provide a limited but useful interface for pushbuttons, status signals, and actuator drive logic, while the 1.5 KB Flash capacity is appropriate only for compact control routines. The 8-pin SOIC package simplifies board outline constraints compared with larger MCUs. Before deployment, verify the exact I/O pin mapping, output drive limits, supply range, and timing behavior in the manufacturer datasheet.
Recommended
Keypad and Pushbutton Interface
For a keypad, menu controller, or small human-interface module, MC908QT1AMDWE provides six I/O ports for scanned inputs and indicator control. Its 8 MHz internal bus frequency and 1.5 KB of Flash are suited to deterministic, compact firmware rather than graphics or high-volume data processing. Debounce and scan timing should be implemented in software and checked against the exact oscillator configuration. Because the verified sources do not provide a complete pinout, the design must not assign buttons or indicators until the manufacturer pin table is reviewed.
Recommended
LED Indicator and Status Control
MC908QT1AMDWE can act as a compact status controller for LED indicators, alarm outputs, and simple sequencing functions. The six I/O ports allow a design to distribute control signals without adopting a larger package, while the 1.5 KB Flash store can hold concise state machines or timing tables. Engineers should confirm whether the intended LED drive method requires current limiting and whether any output pin has restricted voltage or current capability. The industrial-range designation makes the part a candidate for equipment status panels, subject to environmental and lifecycle validation.
Recommended
Basic Sensor Signal Conditioning
The MC908QT1AMDWE is suitable for limited sensor-signal conditioning when the input/output requirements fit six I/O ports and application logic fits 1.5 KB Flash. Typical tasks include threshold checks, debouncing, filtering, and switching between discrete sensors. It is not positioned as a high-resolution analog converter, so analog front-end design remains external to the MCU. Confirm the device's electrical input thresholds and available peripherals in the manufacturer datasheet, and provide local protection where sensors or wiring can introduce transients.
Recommended
Small Motor or Actuator Controller
MC908QT1AMDWE can manage low-complexity actuator sequencing, such as a small solenoid, stepper-related control logic, or discrete motor-drive interface, provided the external driver handles current and voltage requirements. The MCU's six I/O ports and 1.5 KB Flash are enough for compact command and state-machine firmware, while the 8-pin SOIC package keeps the controller physically small. Motor noise and inductive transients require external protection, and pin-specific timing should be validated before relying on a particular control waveform.
Recommended
Compact Embedded Data Logger
For a low-volume data logger, MC908QT1AMDWE can run a short acquisition and storage routine when the required code and data buffer fit within its verified 1.5 KB Flash resource. Its six I/O ports can support a serial or discrete communication interface, although the supplied data does not confirm a particular UART or SPI peripheral. External storage and a more capable MCU may be required for larger records. Use the exact datasheet to confirm programming, clock, and communication features before selecting it for this application.
Recommended
Recommended Products Summary
Engineering reference data for MC908QT1AMDWE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Package | SOIC-8 |
| Brand | NXP Semiconductors |
| Architecture | CISC with Von Neumann architecture |
| CPU Core | Enhanced M68HC08 CPU (CPU08) |
| Program Memory | 1.5 KB Flash |
| Internal Bus Frequency | 8 MHz |
| I/O Ports | 6 |
| Supply Voltage | 4.5 V to 5.5 V; also listed as 3.3 V/5 V |
| Operating Range | Industrial |
| Lifecycle Status | Active |
Key Differentiators
- Compact SOIC-8 control footprint (vs MC908QT1ACDWE)
- M68HC08 CISC architecture (vs MC908QT2AMDWE)
- Small embedded-control resource profile (vs MC908QT4ACDWER)
Design Notes
Confirm the exact supply limits before laying out the board because the verified sources describe the part as 3.3 V/5 V in one listing and 4.5 V to 5.5 V in another. Place the required bypass capacitors close to the MCU supply pins, route return current through a stable ground plane, and check every external pull-up or output connection against the manufacturer electrical limits. Treat the conflicting listing descriptions as a reason to use the official datasheet, not as permission to assume 3.3 V operation.
Keep the 8-pin SOIC footprint free of copper or exposed conductive features where the manufacturer land pattern requires clearance, and follow the official package drawing for pad dimensions and pin numbering. Because the verified sources do not provide the complete pin table, do not assign power, programming, reset, or I/O functions from memory. Validate the PCB footprint, orientation mark, and pin-1 location against the package drawing before fabrication.
Do not assume that a related M68HC08 part in an SOIC-8 package is automatically a drop-in replacement. The verified comparison pages identify family relationships, but the supplied material does not establish matching pin functions, memory, voltage, clock behavior, or programming requirements. For any substitute, compare the manufacturer pinout, electrical limits, timing, memory map, startup behavior, and firmware assumptions before releasing a board revision.
Compliance Information
The verified distributor data explicitly identifies the MC908QT1AMDWE package as lead-free and the operating range as industrial. No explicit RoHS, REACH, halogen-free, conflict-minerals, or AEC-Q100 statement was supplied, so those fields remain unknown.
