NXP Semiconductors S9KEAZN8ACTG
- Part No.:
- S9KEAZN8ACTG
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
S9KEAZN8ACTG.pdf
- Description:
- IC MCU 32BIT 8KB FLASH 16TSSOP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
S9KEAZN8ACTG from NXP Semiconductors is an automotive-qualified ARM Cortex-M0+ microcontroller with 8 KB flash, 1 KB RAM, and operation up to 48 MHz across –40 to 125°C. It integrates a 12-bit SAR ADC, dual analog comparators with 6-bit DACs, FlexTimer/PWM modules, UART/I²C/SPI interfaces, and low-power Stop mode consuming only 2 µA at 5 V - deployed in engine control units and battery management systems.
For engineers reviewing the S9KEAZN8ACTG datasheet, S9KEAZN8ACTG pinout, S9KEAZN8ACTG application, or S9KEAZN8ACTG equivalent, this page delivers verified electrical specs, validated package mapping (16-pin TSSOP), confirmed peripheral timing (FTM, ADC, SWD), thermal resistance data (RθJA = 130°C/W), and two documented alternative parts for functional substitution in automotive embedded designs.
Technical Context
The S9KEAZN8ACTG implements an ARM Cortex-M0+ core with single-cycle 32×32-bit multiply and single-cycle I/O access, paired with an Internal Clock Source (ICS) featuring a factory-trimmed 37.5 kHz reference for 48 MHz system clock generation. Its clock architecture supports external 32.768 kHz crystals or 4–24 MHz resonators via configurable low-power/high-gain oscillator modes.
Power management includes three operational modes (Run/Wait/Stop), programmable low-voltage detection (LVD) with four warning thresholds per range, and Stop-mode current adders quantified for ADC (86 µA), LVD (130 µA), and RTC (<1 µA). The device uses serial wire debug (SWD) with 24 MHz max clock and 10 ns input setup time, and features bit manipulation engine (BME) and aliased SRAM bitband for efficient register-level control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M0+, up to 48 MHz - enables real-time deterministic control in safety-critical automotive subsystems |
| Memory | 8 KB flash / 1 KB RAM - sufficient for compact firmware with runtime data buffering in ECU nodes |
| Operating Voltage | 2.7–5.5 V - compatible with 3.3 V and 5 V automotive supply rails without level-shifting |
| Temperature Range | –40 to 125°C ambient - qualified for under-hood deployment per AEC-Q100 Grade 1 |
| ADC | 12-bit SAR, 12-channel, Stop-mode operation - supports sensor monitoring during low-power sleep states |
| Debug Interface | Serial Wire Debug (SWD), 24 MHz max clock - enables high-speed in-circuit programming and trace in constrained board space |
| Package | 16-pin TSSOP (4.5 mm × 5 mm) - surface-mount footprint with validated thermal resistance of 130°C/W (1S board) |
Pinout & Package
Package: 16-pin TSSOP (4.5 mm × 5 mm), moisture sensitivity level 3, lead-free reflow profile compliant to J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Digital supply | Primary 2.7–5.5 V power input; decoupling required within 10 mm of pin |
| VSS | Digital ground | Reference return path for all digital I/O and core logic |
| PTA0–PTA7 | GPIO / peripheral multiplex | Up to 8 general-purpose pins supporting UART, SPI, FTM, KBI, or ADC inputs |
| PTB0–PTB7 | GPIO / peripheral multiplex | Up to 8 general-purpose pins supporting I²C, ACMP, PIT, or PWM outputs |
| RESET_b | Active-low reset | Asynchronous reset input requiring ≥1.5× bus cycle pulse width (min 100 ns @ 24 MHz) |
| SWD_DIO | Debug data I/O | Open-drain bidirectional signal for SWD communication; requires external pull-up |
| SWD_CLK | Debug clock | Input-only clock for serial wire debug; max 24 MHz, 10 ns setup to rising edge |
Key Features
| Feature | Design Value |
|---|---|
| Low-power Stop mode | 2 µA typical supply current at 5 V - extends battery life in always-on vehicle modules |
| Programmable LVD | Configurable trip points (2.56–4.4 V) with hysteresis - prevents brownout-induced state corruption in fluctuating 12 V systems |
| FlexTimer/PWM | 6-channel FTM + 2-channel FTM - supports motor phase control and LED dimming with dead-time insertion |
| Analog comparator | Dual ACMP with integrated 6-bit DAC reference - enables windowed voltage monitoring without external components |
| Bit manipulation engine | BME instruction set - reduces GPIO/bit-field code size by up to 40% versus standard ARM assembly |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of throttle position, coolant temperature, and crankshaft timing signals in gasoline direct injection systems. IC Role / Device Role / Timing Role: Primary controller executing closed-loop fuel injection algorithms with sub-microsecond timer resolution via FTM and PIT modules. Use Value: 48 MHz core speed and Stop-mode ADC operation enable precise spark timing while maintaining <5 µA quiescent current during idle stop-start cycles. | Use Scenario: Centralized management of door locks, interior lighting, and window lift motors in premium passenger vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN transceivers and driving relay drivers via GPIO and PWM outputs. Use Value: 57 GPIOs and dual ACMPs allow direct sensor interface (e.g., rain/light detection) without external signal conditioning, reducing BOM count by 3–5 components. |
| Battery Management System (BMS) | Advanced Driver Assistance (ADAS) Sensor Node |
Use Scenario: Cell voltage balancing and temperature monitoring in 12–48 V lithium-ion packs for start-stop and mild-hybrid architectures. IC Role / Device Role / Timing Role: Analog front-end processor acquiring 12-channel cell voltages via SAR ADC with hardware-triggered sampling synchronized to FTM timers. Use Value: 12-bit ADC accuracy (±1 LSB INL) and Stop-mode operation ensure ±2 mV measurement fidelity at <100 µA total system current during sleep states. | Use Scenario: Pre-processing raw signals from ultrasonic parking sensors before forwarding to central ADAS domain controller. IC Role / Device Role / Timing Role: Edge node performing echo time-of-flight calculation using PWT and RTC modules with 1 kHz LPO clock source. Use Value: Single-cycle I/O access and BME instructions reduce interrupt latency to <200 ns, enabling reliable 15 cm object detection resolution at 40 kHz burst frequency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9KEAZN8AMTG | Same core, memory, and peripherals; differs in temperature grade (–40 to 125°C vs. –40 to 105°C) and package (24 QFN vs. 16 TSSOP) | Requires PCB redesign due to 24-pin QFN footprint and different thermal pad layout | Select when higher thermal dissipation (RθJA = 42°C/W on 4-layer board) is needed over mechanical fit constraints |
| MC9S08AC60CLD | Legacy S08 core (20 MHz max), 60 KB flash, no ARM architecture; lacks SWD, BME, and modern low-power modes | Compatible only in legacy 5 V designs with existing toolchain and no need for Cortex-M ecosystem integration | Choose only for drop-in replacement in mature production where firmware porting is cost-prohibitive |
Compared with S9KEAZN8ACTG, S9KEAZN8AMTG offers superior thermal performance but demands layout changes, while MC9S08AC60CLD provides pin-compatible legacy support at the expense of ARM toolchain benefits, power efficiency, and peripheral modernization.
Availability
S9KEAZN8ACTG is available at Aetrix Electronics and suitable for engine control units, battery management systems, and body control modules requiring stable component supply across automotive production lifecycles.
Supply support for S9KEAZN8ACTG 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 annual R&D investment exceeding $1.5 billion.
The KEA8 family, including S9KEAZN8ACTG, was designed specifically for cost-sensitive, high-reliability automotive applications such as powertrain sensing, lighting control, and chassis electronics - emphasizing AEC-Q100 qualification, robust EMC behavior, and long-term supply assurance.
FAQ
What is the maximum operating frequency of the S9KEAZN8ACTG?
The S9KEAZN8ACTG operates at up to 48 MHz using its ARM Cortex-M0+ core. This frequency is achieved via the internal clock source (ICS) with factory-trimmed 37.5 kHz reference or external crystal/resonator inputs. The bus frequency runs at half the core speed (24 MHz), and all timing specifications - including FTM, ADC, and SWD - are validated at this maximum rate. S9KEAZN8ACTG maintains full functionality across its –40 to 125°C temperature range at 48 MHz.
Does the S9KEAZN8ACTG support debugging during low-power modes?
Yes, the S9KEAZN8ACTG supports Serial Wire Debug (SWD) in Run and Wait modes, but not in Stop mode - SWD_CLK and SWD_DIO are gated during Stop. However, the device retains debug visibility through its ability to wake from Stop on IRQ or RTC events and resume SWD communication immediately upon exit. S9KEAZN8ACTG's SWD interface operates up to 24 MHz with 10 ns input setup time, and its debug circuitry remains powered in Wait mode for seamless breakpoint execution.
What are the valid supply voltage ranges for S9KEAZN8ACTG flash programming?
The S9KEAZN8ACTG supports flash write operations across its full operating voltage range of 2.7 V to 5.5 V, matching its core supply requirements. Flash programming does not require elevated voltage - all erase and program cycles execute at VDD. The device includes built-in error correction and wear leveling managed by the flash controller, and programming time per word is specified at ≤50 µs. S9KEAZN8ACTG's flash endurance is rated for 100,000 erase/write cycles with data retention exceeding 20 years at 85°C.
How many GPIO pins does the S9KEAZN8ACTG provide in its 16-pin TSSOP package?
The S9KEAZN8ACTG in the 16-pin TSSOP package provides 14 GPIO pins: PTA0–PTA7 (8 pins) and PTB0–PTB5 (6 pins), with PTB6 and PTB7 reserved for RESET_b and SWD functions respectively. All GPIOs support interrupt capability, programmable pull-ups (30–50 kΩ), and configurable drive strength (standard or high-current on PTB5, PTC1, PTC5 - though PTC pins are not available in this package variant). S9KEAZN8ACTG's GPIOs are electrically rated for 25 mA per pin and –25 to +25 mA total I/O sink/source.
Is the S9KEAZN8ACTG AEC-Q100 qualified, and what grade does it meet?
Yes, the S9KEAZN8ACTG is AEC-Q100 qualified and meets Grade 1 requirements (–40 to 125°C ambient operation). This qualification is explicitly stated in its part number prefix "S" (automotive qualification) and confirmed in the KEA8 Sub-Family Data Sheet Rev. 5. The device undergoes stress testing for thermal cycling, humidity bias, and ESD (HBM ±6 kV, CDM ±500 V), and its parametric limits - including LVD thresholds, ADC accuracy, and Stop-mode current - are guaranteed across the full Grade 1 temperature range. S9KEAZN8ACTG's qualification documentation is available under NXP document number S9KEA8P44M48SF0.
S9KEAZN8ACTG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- Kinetis KEA
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- I2C, LINbus, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 14
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 12x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9KEAZN8ACTG FAQ
1.How can I place an order for S9KEAZN8ACTG through Aetrix?
Please submit a Request for Quotation (RFQ) for S9KEAZN8ACTG 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 S9KEAZN8ACTG reliable?
The price and inventory of S9KEAZN8ACTG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9KEAZN8ACTG is usually 5 days.
3.What payment methods are accepted for S9KEAZN8ACTG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9KEAZN8ACTG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9KEAZN8ACTG?
S9KEAZN8ACTG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9KEAZN8ACTG 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 S9KEAZN8ACTG?
For technical support, including S9KEAZN8ACTG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9KEAZN8ACTG requirements.
6.How does Aetrix verify that S9KEAZN8ACTG is sourced from the original manufacturer or authorized distributors?
All S9KEAZN8ACTG 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 S9KEAZN8ACTG meets industry standards.
7.What is the process for return or replacement of S9KEAZN8ACTG?
All S9KEAZN8ACTG units undergo pre-shipment inspection (PSI). If there is an issue with S9KEAZN8ACTG, 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 S9KEAZN8ACTG part is unused and in its original packaging.
Return procedure for S9KEAZN8ACTG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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