S9S08AW8AE0MFT - 8-Bit 40MHz 8KB Flash MCU | NXP
MPN: S9S08AW8AE0MFT ✓ 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 |
S9S08AW8AE0MFT Overview
A microcontroller is a programmable semiconductor that integrates a CPU core, memory, peripherals, and input/output interfaces into one device. The HCS08/S08 family belongs to the embedded-controller hierarchy: MCU, embedded processor, semiconductor, and electronic control component. An 8-bit MCU is commonly used for cost-sensitive control, monitoring, actuator, and human-interface systems where moderate processing throughput and compact code size are more important than high-bandwidth computation.
The S9S08AW8AE0MFT combines a 40 MHz maximum clock with 8 KB of flash in one compact 48-pin package. Its automotive temperature grade is reported by Partstack, while the verified product listing identifies the device as an S08 S08 microcontroller. Other electrical details such as RAM size, supply voltage, ADC channels, timers, communication peripherals, and absolute temperature limits were not supplied in the verified data and therefore must be confirmed from the manufacturer documentation before schematic or firmware release.
Technologically, this part sits in the HCS08 family and uses an 8-bit architecture rather than a 32-bit application processor. That makes it suitable for deterministic embedded control rather than graphics-heavy workloads. The exposed thermal pad provides a defined thermal and electrical connection area on the PCB, but its stack-up, solder mask, paste, and via requirements should follow the package drawing and recommended land pattern rather than assumptions.
Typical uses include automotive body or comfort modules, sensor interfaces, small motor-control systems, panel controls, and compact industrial controllers. A design can pair the MCU with external sensors and actuators through its available I/O and peripherals, provided every electrical interface is checked against the verified datasheet values. Firmware development also requires the correct HCS08 toolchain, clock settings, memory map, debugger interface, and device-specific startup support.
A key purchasing consideration is lifecycle and supply continuity. The verified data includes distributor availability and Rochester Electronics inventory references, but it does not provide a current manufacturer lifecycle statement or an authorized manufacturer price table. Buyers should confirm stock, date code, traceability, and condition before production release, especially for automotive or long-life industrial programs.
This page consolidates the verified distributor identity, package, frequency, memory, source links, application context, and unresolved-data warnings. It deliberately avoids inventing missing electrical limits, pin assignments, pricing, or alternative parts so engineers can make sourcing and design decisions from traceable data.
Drop-in alternatives for S9S08AW8AE0MFT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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Request AlternativesS9S08AW8AE0MFT Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit HCS08/S08 microcontroller |
| Maximum Clock Frequency | 40 MHz |
| Flash Memory | 8 KB (8K x 8) |
| Architecture | 8-bit |
| Device Family | HCS08/S08 |
| Package | 48-MAPQFN-EP (7 x 7 mm) |
| Lead Count | 48 leads |
| Exposed Pad | Yes |
| Mounting Type | Surface mount |
| Temperature Grade | Automotive |
| Manufacturer Origin | Freescale Semiconductor, Inc. |
| Current Brand | NXP Semiconductors |
S9S08AW8AE0MFT 48-mapqfn-ep (7 x 7 mm) Pin Configuration Guide
Pin configuration for S9S08AW8AE0MFT (48-mapqfn-ep (7 x 7 mm) 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 S9S08AW8AE0MFT.
Refer to the datasheet for full pin configuration.
Typical Applications
S9S08AW8AE0MFT is suitable for 6 applications: Automotive Body Control Module, Industrial Sensor Interface, Small Motor and Actuator Control, Human Interface and Panel Control, Battery-Powered Monitoring Node, Smart Home and IoT Endpoint.
Automotive Body Control Module
The S9S08AW8AE0MFT fits an automotive body-control design that needs a compact 8-bit MCU, 40 MHz processing capability, and nonvolatile firmware storage. It can coordinate switch inputs, diagnostic logic, and low-complexity actuator outputs in a control module where a 32-bit processor would add unnecessary cost or power. The Partstack result reports an automotive temperature grade, which is relevant for preliminary platform assessment. Before design release, verify the exact temperature range, supply limits, AEC-Q100 status, flash endurance, and automotive qualification records in the manufacturer documentation.
Recommended
Industrial Sensor Interface
Use the S9S08AW8AE0MFT as the control core for a compact industrial sensor interface when the system must gather digital inputs, apply local filtering or threshold logic, and report status through a simple embedded protocol. Its 8-bit HCS08/S08 architecture and 40 MHz maximum clock provide a deterministic control platform, while 8 KB flash stores application firmware and constants. The 48-MAPQFN package can support dense board layouts, but exposed-pad land patterns and thermal-via placement must follow the package drawing. Verify ADC, timer, communication, voltage, and ESD specifications before selecting peripheral circuits.
Recommended
Small Motor and Actuator Control
The S9S08AW8AE0MFT can serve as the supervisory controller in a small motor or actuator system where sequencing, limit sensing, fault detection, and safety interlocks matter more than high computational bandwidth. Its 40 MHz maximum clock allows responsive state-machine control, and the 8 KB flash capacity is suitable for compact firmware when the application avoids large data storage. The MCU should operate beside external drivers because motor-current ratings and protection requirements are not specified in the verified data. Validate PWM, timer, fault-response, isolation, thermal, and supply parameters from the manufacturer datasheet.
Recommended
Human Interface and Panel Control
For a keypad, instrument panel, or compact user-interface controller, the S9S08AW8AE0MFT can scan inputs, update indicators, and implement menu or parameter logic with a modest embedded footprint. The 8-bit architecture is appropriate for simple state machines and event-driven interfaces, while the 40 MHz clock provides headroom for peripheral servicing. The 48-MAPQFN package helps reduce board area compared with a larger leaded package, but its exposed pad requires careful thermal and assembly planning. GPIO drive limits, debounce timing, display interfaces, and ESD requirements must be confirmed before selecting external components.
Recommended
Battery-Powered Monitoring Node
The S9S08AW8AE0MFT is a reasonable starting point for a low-duty-cycle monitoring node that periodically reads sensors, evaluates thresholds, and records or transmits a compact status message. Its 8-bit processor and 8 KB flash provide enough platform identity for small embedded firmware, while low-power behavior must be established from the missing supply and sleep-current specifications. Power-budget design should include MCU sleep current, sensor standby current, regulator quiescent current, and wake-up timing. Battery chemistry, peak load, operating temperature, and safety requirements also require verification before deployment.
Recommended
Smart Home and IoT Endpoint
The S9S08AW8AE0MFT can serve as a local endpoint controller in an IoT product when the device needs sensor merging, actuator logic, and deterministic control without a high-power application processor. The 40 MHz HCS08/S08 core and 8 KB flash are suited to compact gateway or accessory functions, provided wireless and security requirements are handled by validated companion components. The MCU's available communications interfaces, cryptographic capabilities, RAM, and power characteristics were not supplied, so the architecture should not assume Wi-Fi, Bluetooth, secure boot, or adequate buffer space. Select companion transceivers only after confirming interfaces and electrical limits.
Recommended
Recommended Products Summary
Engineering reference data for S9S08AW8AE0MFT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Package | 48-MAPQFN-EP (7 x 7 mm) |
| Brand | NXP Semiconductors |
| Architecture | 8-bit HCS08/S08 |
| Maximum Clock Frequency | 40 MHz |
| Flash Memory | 8 KB (8K x 8) |
| Lead Count | 48 leads |
| Exposed Pad | Yes |
| Temperature Grade | Automotive |
Key Differentiators
- Confirmed compact high-frequency MCU identity (vs MC9S08AW48CFGER)
- Automotive-grade classification is available for preliminary sourcing (vs MC9S08AW48CFGER)
- Verified distributor traceability (vs Unverified generic substitute)
Design Notes
Use the manufacturer package drawing for the 48-MAPQFN exposed-pad layout before routing the board. Confirm pad dimensions, exposed-pad net assignment, solder-mask clearance, paste pattern, via location, and reflow profile. The verified source confirms a 7 x 7 mm 48-MAPQFN exposed-pad package but does not provide a land pattern; do not infer one from a generic QFN footprint.
Treat the exposed pad as a deliberate thermal and electrical design feature, not as an unused package area. Validate copper area, thermal-via count, via diameter, solder coverage, and board thermal performance using the manufacturer's recommended assembly and application guidance. The supplied data does not provide thermal resistance or maximum power dissipation, so those values cannot be used for a heat-sink calculation.
Do not substitute a similarly named HCS08 device based only on the MPN pattern. Verify the complete ordering code, package drawing, pin names, exposed-pad connection, clock source, memory map, supply range, peripheral mapping, and temperature grade. The verified material does not provide a complete pinout or a manufacturer-confirmed cross-reference, so every replacement requires an engineering sign-off.
Compliance Information
The supplied search snippets do not provide authoritative RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals documentation. The automotive temperature-grade statement from Partstack must not be treated as proof of AEC-Q100 qualification.
