NXP Semiconductors S9KEAZ128AVLH

Overview

S9KEAZ128AVLH 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 S9KEAZ128AVLH datasheet, S9KEAZ128AVLH pinout, S9KEAZ128AVLH application, or S9KEAZ128AVLH equivalent, this page delivers verified electrical specs, thermal behavior at –40°C to 125°C, MSCAN interface timing, and low-power Stop mode current (1.9 µA) critical for battery-operated automotive modules.

Technical Context

The S9KEAZ128AVLH implements a single-cycle 32-bit x 32-bit multiplier and bit manipulation engine (BME) for deterministic control loop execution. Its internal clock system combines a factory-trimmed 37.5 kHz IRC for 48 MHz FLL output and supports external crystals from 32.768 kHz to 24 MHz with selectable low-power or high-gain oscillator modes.

It integrates dual FlexTimer/PWM modules (6-channel + 2×2-channel), one periodic interrupt timer (PIT), and one real-time clock (RTC) with LPO backup. The MSCAN module complies with ISO 11898-1:2003 and supports CAN 2.0A/B protocols at up to 1 Mbps.

Key Specifications

Pinout & Package

64-pin LQFP (10 mm × 10 mm), RoHS-compliant, moisture sensitivity level 3 (MSL3).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with S9KEAZ128AMLH and MKE02Z64VLC2, the S9KEAZ128AVLH uniquely delivers AEC-Q100 Grade 1 qualification, MSCAN, and 125°C operation - making it the only option among the three for engine control, transmission, or EPS systems requiring full automotive thermal and protocol compliance.

Availability

S9KEAZ128AVLH is available at Aetrix Electronics and suitable for engine control units, body control modules, and electric power steering systems requiring stable component supply across extended automotive lifecycles.

Supply support for S9KEAZ128AVLH 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 deep expertise in functional safety and automotive-grade silicon.

The S9KEAZ128AVLH belongs to the Kinetis KEA family - engineered specifically for cost-sensitive, safety-aware automotive applications requiring CAN, robust EMC performance, and extended temperature operation without external clock components.

FAQ

What is the maximum operating frequency of the S9KEAZ128AVLH core?

The S9KEAZ128AVLH features an Arm® Cortex-M0+ core with a maximum system clock frequency of 48 MHz. This is achieved using the internal FLL locked to the factory-trimmed 37.5 kHz IRC reference or an external crystal/resonator. Bus frequency runs at half the core speed (24 MHz), and all timing specifications-including FTM, ADC, and UART-are defined relative to these clock domains. The S9KEAZ128AVLH maintains full specification compliance across its entire –40°C to 125°C operating range at this frequency.

Does the S9KEAZ128AVLH support CAN FD or only classical CAN?

The S9KEAZ128AVLH integrates the MSCAN module, which supports only Classical CAN (CAN 2.0A/B) at data rates up to 1 Mbps. It does not support CAN FD features such as flexible data-rate, extended data length, or enhanced error detection. The MSCAN module complies fully with ISO 11898-1:2003 and includes dedicated registers for message buffering, identifier masking, and bus-off recovery-making it suitable for standard automotive network backbones but not next-generation high-bandwidth ADAS domains requiring CAN FD.

What package type and pin count does the S9KEAZ128AVLH use?

The S9KEAZ128AVLH is packaged in a 64-pin LQFP (10 mm × 10 mm) with lead pitch of 0.5 mm. The "LH" suffix in the part number explicitly denotes this package variant. It is RoHS-compliant, moisture sensitivity level 3 (MSL3), and rated for reflow soldering at peak temperatures up to 260°C. This package provides 71 GPIO pins plus power, ground, clock, reset, and debug signals - optimized for compact automotive PCB layouts where thermal dissipation and board space are constrained.

How does the S9KEAZ128AVLH achieve low-power operation in Stop mode?

The S9KEAZ128AVLH achieves 1.9 µA typical Stop mode current by disabling all clocks except the 1 kHz low-power oscillator (LPO), retaining RAM contents, and powering down flash, ADC, and most peripherals. Critical wake-up sources-including MSCAN bus activity, RTC alarm, GPIO interrupts, and keyboard interrupt modules-remain active. The LVD module can be configured to generate interrupts during Stop mode, and the ADC supports hardware-triggered conversions without CPU intervention. These features enable the S9KEAZ128AVLH to serve as a long-life battery-powered sensor node or security monitor.

Is the S9KEAZ128AVLH AEC-Q100 qualified, and what grade does it meet?

Yes, the S9KEAZ128AVLH is AEC-Q100 qualified and meets Grade 1 requirements (–40°C to +125°C ambient operating temperature). The "S" prefix in the part number indicates automotive qualification, and the "M" in the temperature field confirms the 125°C upper limit. This qualification covers stress testing for accelerated environmental stress, ESD, latch-up, and thermal cycling - ensuring reliability in demanding automotive environments such as engine compartments, transmission control units, and brake-by-wire systems.