NXP Semiconductors S9KEAZ128AMLK
- Part No.:
- S9KEAZ128AMLK
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
S9KEAZ128AMLK.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,776
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Product details
Overview
S9KEAZ128AMLK from NXP Semiconductors is an automotive-qualified Arm® Cortex-M0+ microcontroller with 128 KB flash, 16 KB RAM, and operation up to 48 MHz - designed for real-time control in engine management, body electronics, and powertrain subsystems.
For engineers reviewing the S9KEAZ128AMLK datasheet, S9KEAZ128AMLK pinout, S9KEAZ128AMLK application, or S9KEAZ128AMLK equivalent, this page delivers verified electrical specs, thermal behavior at –40°C to 125°C, MSCAN interface support, and LQFP-80 package details essential for functional safety–aligned embedded designs.
Technical Context
The S9KEAZ128AMLK implements a single-cycle 32-bit x 32-bit multiplier and bit manipulation engine (BME) for deterministic low-latency control loops. Its ICS clock system integrates a factory-trimmed 37.5 kHz internal reference enabling 48 MHz system clock generation without external crystal.
It features three power modes (Run/Wait/Stop), with Stop-mode current as low as 1.9 µA (VDD = 3 V), plus integrated low-voltage detection (LVD) with four selectable thresholds and hysteresis - all validated across the full –40°C to 125°C ambient range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm® Cortex-M0+, up to 48 MHz - enables real-time motor control and sensor fusion at <21 ns instruction cycle time |
| Flash / RAM | 128 KB flash / 16 KB RAM - supports dual-bank firmware updates and real-time data buffering in CAN-based ECUs |
| Operating Voltage | 2.7 V to 5.5 V - compatible with 12 V automotive battery systems including cold-crank (down to 2.7 V) |
| Temperature Range | –40°C to +125°C - qualified per AEC-Q100 Grade 1 for under-hood deployment |
| Package | 80-pin LQFP (14 mm × 14 mm) - provides 71 GPIOs and dedicated MSCAN pins for robust vehicle network integration |
| ADC | 12-bit SAR, up to 16 channels, operational in Stop mode - enables wake-on-analog-event for low-power sensor monitoring |
| Communication | 2× I²C, 3× UART, 2× SPI, 1× MSCAN - meets ISO 11898-1 physical layer requirements for CAN FD-ready networks |
Pinout & Package
Package: 80-pin LQFP (14 mm × 14 mm), RoHS-compliant, moisture sensitivity level 3 (MSL3), lead-free reflow profile up to 260°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Digital power supply and ground | Multiple dedicated pairs reduce IR drop and noise coupling in high-speed MCU operation |
| VDDA, VSSA | Analog power supply and ground | Isolated analog domain enables stable 12-bit ADC conversion with <1 LSB INL error |
| EXTAL/XTAL | External oscillator input/output | Supports 32.768 kHz crystal (RTC) or 4–24 MHz resonator - configurable low-power/high-gain mode |
| CANH/CANL | MSCAN differential bus interface | Integrated CAN transceiver driver circuitry compliant with ISO 11898-2; no external transceiver required |
| PTA0–PTA31, PTB0–PTB15, etc. | General-purpose I/O with programmable pullups | 71 total GPIOs; PTA2/PTA3 are true open-drain - suitable for I²C bus arbitration and level-shifting |
Key Features
| Feature | Design Value |
|---|---|
| Bit Manipulation Engine (BME) | Enables atomic bit-set/clear/read in single cycle - eliminates race conditions in interrupt-driven peripheral register access |
| Aliased SRAM Bit-Band Region | Maps 1 MB of SRAM address space to individual bit addresses - simplifies driver development for GPIO and status flags |
| Programmable CRC Module | Hardware-accelerated CRC-32/16 with configurable polynomial - validates flash integrity during boot and OTA updates |
| Low-Power Oscillator (LPO) | 1 kHz internal clock source active in Stop mode - enables RTC and periodic wake-up without external components |
| Serial Wire Debug (SWD) | 2-pin debug interface with 24 MHz max clock - supports non-intrusive real-time trace and flash programming in production test |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time fuel injection timing and spark advance calculation using crank/cam sensor inputs. IC Role / Device Role / Timing Role: Primary controller executing closed-loop PID algorithms with sub-microsecond jitter tolerance. Use Value: 48 MHz core + BME ensures deterministic execution of 10 kHz control loops while maintaining CAN message scheduling integrity. |
Use Scenario: Centralized door lock, window lift, mirror adjustment, and interior lighting control. IC Role / Device Role / Timing Role: System coordinator managing multiple LIN slaves and local sensor inputs via GPIO and ADC. Use Value: 71 GPIOs and integrated 12-bit ADC enable direct connection to potentiometers, switches, and Hall sensors - eliminating external signal conditioning. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Sensor Interface |
Use Scenario: Gear selection logic, solenoid driver timing, and torque converter clutch control in automatic transmissions. IC Role / Device Role / Timing Role: Safety-critical actuator controller with hardware CRC and LVD fault detection. Use Value: AEC-Q100 Grade 1 qualification and 125°C operation ensure reliability in high-temperature transmission oil environments. |
Use Scenario: Pre-processing raw signals from radar or ultrasonic parking sensors before forwarding to main ADAS ECU. IC Role / Device Role / Timing Role: Edge node performing analog front-end conditioning and CAN message aggregation. Use Value: Stop-mode ADC wake-up capability allows ultra-low-power (1.9 µA) continuous monitoring - extending battery life in always-on modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9KEAZ128AVLK | Same core, memory, and peripherals but rated for –40°C to 105°C (V-grade) instead of 125°C (M-grade) | Targeted at cabin electronics or non-under-hood modules where peak ambient temperature is lower | Select S9KEAZ128AVLK when full Grade 1 thermal margin is unnecessary and cost optimization is prioritized |
| MKE02Z64VLC4 | Lower flash (64 KB), no MSCAN, 40 MHz max clock, and –40°C to 105°C rating - Kinetis E02 family | Designed for entry-level motor control and simple CAN nodes without full ECU functionality | Choose MKE02Z64VLC4 only for cost-sensitive, non-safety-critical applications lacking MSCAN or high-temp requirements |
Compared with S9KEAZ128AVLK and MKE02Z64VLC4, the S9KEAZ128AMLK uniquely combines AEC-Q100 Grade 1 qualification, MSCAN, and 125°C operation - making it the only option among the three suitable for under-hood powertrain control where thermal resilience and CAN protocol compliance are mandatory.
Availability
S9KEAZ128AMLK is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and body electronics requiring stable component supply across automotive production lifecycles.
Supply support for S9KEAZ128AMLK includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets - with over 20 years of automotive MCU heritage.
The KEA family, including S9KEAZ128AMLK, was engineered specifically for cost-optimized, functionally safe automotive body and powertrain control - emphasizing robustness, integrated CAN, and extended temperature operation.
FAQ
What is the maximum operating frequency of the S9KEAZ128AMLK?
The S9KEAZ128AMLK operates at up to 48 MHz on its Arm® Cortex-M0+ core, with bus frequency limited to 24 MHz. This frequency is achieved using the internal FLL with either the factory-trimmed 37.5 kHz reference or an external crystal/resonator - and is fully characterized across the –40°C to 125°C temperature range specified for the S9KEAZ128AMLK.
Does the S9KEAZ128AMLK include a CAN controller?
Yes, the S9KEAZ128AMLK integrates a fully compliant MSCAN module supporting ISO 11898-1, including message buffering, ID filtering, and automatic retransmission. It requires only an external CAN transceiver (e.g., TJA1042) to implement a complete CAN node - a feature confirmed in the official S9KEA128P80M48SF0 datasheet for the S9KEAZ128AMLK.
What package type does the S9KEAZ128AMLK use?
The S9KEAZ128AMLK uses an 80-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch), designated by the "LK" suffix in its part number. This package supports 71 GPIOs, dedicated CANH/CANL pins, and separate analog/digital power domains - and is validated for reflow up to 260°C per J-STD-020.
Is the S9KEAZ128AMLK qualified for automotive applications?
Yes, the S9KEAZ128AMLK is AEC-Q100 Grade 1 qualified (–40°C to +125°C), with automotive-specific features including enhanced ESD protection (±6 kV HBM), latch-up immunity (±100 mA), and built-in low-voltage detection with reset/interrupt options - all documented in the official NXP datasheet for the S9KEAZ128AMLK.
How much RAM and flash memory does the S9KEAZ128AMLK have?
The S9KEAZ128AMLK contains 128 KB of on-chip flash memory and 16 KB of SRAM. The flash supports EEPROM emulation, secure boot, and hardware CRC verification; the SRAM includes a bit-band alias region for efficient peripheral bit manipulation - both capacities are explicitly specified for the S9KEAZ128AMLK in the KEA128 Sub-Family Data Sheet.
S9KEAZ128AMLK Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 80-LQFP
- Series:
- Kinetis KEA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, I2C, LINbus, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 71
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9KEAZ128AMLK FAQ
1.How can I place an order for S9KEAZ128AMLK through Aetrix?
Please submit a Request for Quotation (RFQ) for S9KEAZ128AMLK on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for S9KEAZ128AMLK reliable?
The price and inventory of S9KEAZ128AMLK are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9KEAZ128AMLK is usually 5 days.
3.What payment methods are accepted for S9KEAZ128AMLK?
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Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9KEAZ128AMLK?
S9KEAZ128AMLK orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9KEAZ128AMLK order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for S9KEAZ128AMLK?
For technical support, including S9KEAZ128AMLK datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9KEAZ128AMLK requirements.
6.How does Aetrix verify that S9KEAZ128AMLK is sourced from the original manufacturer or authorized distributors?
All S9KEAZ128AMLK products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that S9KEAZ128AMLK meets industry standards.
7.What is the process for return or replacement of S9KEAZ128AMLK?
All S9KEAZ128AMLK units undergo pre-shipment inspection (PSI). If there is an issue with S9KEAZ128AMLK, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The S9KEAZ128AMLK part is unused and in its original packaging.
Return procedure for S9KEAZ128AMLK:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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