S9KEAZ64AVLK - Kinetis KEA64 32-bit MCU 48MHz 64KB | NXP
MPN: S9KEAZ64AVLK ✓ 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 |
S9KEAZ64AVLK Overview
A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory (flash and SRAM), and a rich set of peripherals onto one chip, forming the lowest layer of the embedded-system hierarchy: MCU -> embedded processor -> semiconductor device. The KEA64 sub-family sits within the broader Kinetis EA series, which NXP positions as a scalable, robust performance solution for harsh electromagnetic environments.
Key features include the low-power Arm Cortex-M0+ core, 8 KB to 128 KB scalable embedded flash across the sub-family (64 KB on this device), excellent EMC/ESD performance, high-temperature operation, and low radiated emissions - attributes directly cited by NXP for automotive body and motor-control designs.
Technically, the Cortex-M0+ pipeline and the KEA family peripheral set (timers, ADC, communication interfaces per the KEA128 sub-family data sheet, document identifier S9KEA128P80M48SF0 as listed in distributor records) deliver deterministic real-time behavior with very low dynamic power. The device operates from a nominal 3.3 V / 5 V supply class per distributor parametric listings, simplifying integration into legacy 5 V automotive modules.
Typical applications include automotive body electronics (window lift, door modules), small motor control (BLDC/PMSM), LIN-bus networked sensors, and industrial control nodes where EMC robustness and lifecycle longevity outweigh raw compute performance.
Design consideration: confirm the exact supply-voltage class and peripheral configuration against the official KEA128 sub-family data sheet before layout, and reserve flash headroom because the 64 KB density is the mid-point of a sub-family spanning 8 KB to 128 KB.
This page synthesizes distributor pricing context, verified drop-in alternatives, practical design notes, and an application-by-application selection guide not found in the manufacturer datasheet, with all parameters traced to cited sources.
Drop-in alternatives for S9KEAZ64AVLK — 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 S9KEAZ64AVLK (same form factor and footprint) — differing in Package, Series.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9KEAZ128AVLK
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
S9KEAZ64ACLK
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
S9KEAZ64AMLK
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MKE04Z64VLK4R
✅ Drop-In✓ In Stock
$2.24 / Unit
View Datasheet →S9KEAZ64AVLK Maximum Ratings & Electrical Characteristics
| Core Processor | ARM Cortex-M0+ |
| Core Architecture | 32-bit |
| Maximum Clock Frequency | 48 MHz |
| Flash Memory | 64 KB (64K x 8) |
| Series | Kinetis KEA (KEA64 sub-family, Kinetis E) |
| Supply Voltage Class | 3.3 V / 5 V (per distributor parametric data) |
| Package | 80-LQFP (14 x 14 mm), gull-wing |
| Package Code (JESD-30) | S-PQFP-G80 |
| Mounting Type | Surface Mount |
| Number of Terminals | 80 |
| Package Shape | Square |
| Data Bus Width | 32 bit |
| Target Markets | Automotive and industrial (cost-sensitive, EMC/ESD robust) |
| EMC/ESD Performance | Great EMC/ESD, high temperature, low radiated emissions (per NXP) |
| Terminal Form | Gull Wing |
| Sub-Family Data Sheet | KEA128 Sub-Family (S9KEA128P80M48SF0) |
| Lifecycle Status | Active |
S9KEAZ64AVLK square Pin Configuration Guide
Pin configuration for S9KEAZ64AVLK (square 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 S9KEAZ64AVLK.
Refer to the datasheet for full pin configuration.
Typical Applications
S9KEAZ64AVLK is suitable for 6 applications: Automotive Body Electronics, Small Motor Control (BLDC/PMSM), LIN-Bus Networked Sensors and Actuators, Industrial Control Nodes, Battery-Powered and Low-Power Devices, Legacy 8-bit Migration (HC908/S08 Replacement).
Automotive Body Electronics
Body control modules, door modules, window lifters, and seat-control nodes are classic Kinetis EA territory: NXP explicitly targets the family at cost-sensitive automotive applications with great EMC/ESD performance, high-temperature capability, and low radiated emissions. The S9KEAZ64AVLK's 48 MHz Cortex-M0+ core handles switch debouncing, LIN communication, and relay/PWM loads with deterministic timing, while 64 KB flash accommodates diagnostics and UDS-style service layers. Operated in the 3.3 V / 5 V supply class per distributor parametric data, it interfaces cleanly with legacy 5 V automotive I/O through appropriate level design. The 80-LQFP (14 x 14 mm) package supplies enough GPIO for multi-load modules without a two-chip solution.
Recommended
Small Motor Control (BLDC/PMSM)
Pump, fan, and actuator drives need a cost-effective MCU with fast PWM timing and robust ESD immunity in an electrically noisy enclosure. The S9KEAZ64AVLK's 48 MHz Cortex-M0+ delivers deterministic interrupt latency for current-loop servicing, and NXP cites low radiated emissions across the KEA family, easing EMC compliance near power stages. The 64 KB flash supports sensorless or hall-based commutation firmware including startup, protection, and fault logging. Designers should confirm the exact timer/PWM channel allocation in the KEA128 sub-family reference manual, then pair the MCU with a suitable gate driver; dead-time and ADC sampling synchronization are the key firmware-side considerations for reliable commutation.
Recommended
LIN-Bus Networked Sensors and Actuators
LIN nodes (fluid-level sensors, mirror controllers, HVAC flaps) demand low cost, low EMI, and long automotive longevity. The Kinetis EA family's low radiated emissions help meet LIN conformance EMC budgets, and NXP's stated longevity support for the family protects multi-year automotive programs from EOL churn. The S9KEAZ64AVLK's 64 KB flash comfortably holds a LIN 2.x stack, application logic, and diagnostic routines, while the 80-pin LQFP leaves GPIO spare for local loads and analog sensing in the same chip. Running in the 3.3 V / 5 V class simplifies interfacing with a LIN transceiver; add a local 5 V regulator and reverse-polarity protection per standard node architectures from NXP reference designs.
Recommended
Industrial Control Nodes
Factory sensors, small PLC I/O points, and HVAC controllers benefit from the S9KEAZ64AVLK's combination of EMC/ESD robustness - useful near contactors and drives - and a low-power Cortex-M0+ core that reduces supply design effort. The 48 MHz clock is ample for scanning digital I/O, running PID loops, and managing RS-485/UART protocols, while 64 KB flash holds protocol stacks plus OTA-style field-update staging if budgeted carefully. Industrial deployments often use the commercial ordering-code variants to control cost, keeping the extended-temperature AVLK grade for cabinets exposed to heat. Verify the SRAM budget against the official data sheet before committing to a large buffer-based protocol implementation.
Recommended
Battery-Powered and Low-Power Devices
The Cortex-M0+ core is architecturally optimized for energy efficiency, and NXP markets the KEA family's low-power operation for always-on automotive and industrial nodes. In battery-backed sensors (tire-pressure-adjacent modules, wireless switches, metering endpoints), the S9KEAZ64AVLK spends most of its life in sleep states, waking on timer or pin interrupts to sample and transmit. The 64 KB flash accommodates power-management state machines plus a lightweight radio or wired protocol. Confirm the exact stop/run current figures in the KEA128 sub-family data sheet when doing battery-life calculations, since these numbers - not the supply-voltage class - dominate the energy budget in duty-cycled designs.
Recommended
Legacy 8-bit Migration (HC908/S08 Replacement)
Many automotive suppliers are migrating legacy MC68HC908 and MC9S08 8-bit designs to a modern 32-bit platform without redesigning the board's analog or load circuitry. The S9KEAZ64AVLK offers a 5 V-friendly supply class per distributor parametric data, an 80-pin LQFP with generous GPIO, and NXP's automotive longevity support - the three properties that matter most in a migration. The Cortex-M0+ toolchain (GCC/IAR) and KEA128 reference manual shorten the firmware rewrite versus proprietary 8-bit cores, and the performance headroom absorbs feature growth. NXP publishes migration application notes and reference designs for the EA family to further shorten development and time-to-market.
Recommended
Recommended Products Summary
Engineering reference data for S9KEAZ64AVLK — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9KEAZ128AVLK | S9KEAZ64ACLK | S9KEAZ64AMLK | MKE04Z64VLK4R |
|---|---|---|---|---|---|
| Package | 80-LQFP (14x14 mm) | 80-LQFP (14x14 mm) - same | 80-LQFP (14x14 mm) - same | 80-LQFP (14x14 mm) - same | 80-LQFP - same footprint |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ 32-bit | ARM Cortex-M0+ 32-bit |
| Flash Memory | 64 KB | 128 KB | 64 KB | 64 KB | 64 KB |
| Supply Voltage Class | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Target Market Focus | Automotive/industrial (Kinetis EA) | Automotive/industrial (Kinetis EA) | Automotive/industrial (Kinetis EA) | Automotive/industrial (Kinetis EA) | General-purpose/industrial (KE04) |
Key Differentiators
- Automotive-oriented family with longevity support (vs MKE04Z64VLK4R)
- Flash headroom upgrade path without PCB change (vs S9KEAZ128AVLK)
- 80-pin GPIO density in a compact 14x14 mm body (vs STM32F030R8T6)
Design Notes
Verify the exact SRAM size and peripheral set in the official KEA128 sub-family data sheet (document S9KEA128P80M48SF0) before finalizing the memory map - distributor listings do not state SRAM capacity, and over-committing buffer space in the linker script is a common migration failure when moving from 8-bit parts with flat memory maps.
The 80-LQFP (S-PQFP-G80, 14 x 14 mm) requires a standard 0.5 mm-pitch gull-wing land pattern; check your PCB library against the NXP package outline drawing rather than a generic LQFP-80 footprint. Place 100 nF decoupling capacitors at each supply pin pair with short, direct traces to the ground plane, and keep the oscillator loop compact. NXP's Kinetis EA hardware design application notes provide reference decoupling networks validated for EMC-heavy automotive environments.
The device operates in the 3.3 V / 5 V supply class per distributor parametric data. In mixed-rail automotive modules, generate the MCU rail from a clean LDO or the module's protected 5 V rail with transient suppression - KEA-family EMC robustness covers radiated immunity, but conducted surges (ISO 7637-style load dump) must be handled by upstream protection. Confirm absolute maximum and recommended operating ranges in the data sheet, not from the distributor supply-class field alone.
When migrating from legacy MC68HC908 or MC9S08 designs, remember the Cortex-M0+ edge rates are faster than old 8-bit cores: review rise/fall times on long harness-connected GPIO lines and add series termination where ringing appears. The KEA family's low radiated emissions reduce near-field coupling, but 48 MHz switching still warrants a solid ground plane and controlled trace routing for crystal and debug (SWD) signals.
Compliance Information
NXP product page lists Environmental Quality data for this part but retrieved distributor data does not state explicit RoHS/REACH/AEC-Q100 flags. The Kinetis EA family is described by NXP as targeted at automotive applications requiring the highest level of quality and longevity support. Formal AEC-Q100 status must be confirmed via NXP qualification documentation.
