MKL27Z256VFT4 - ARM Cortex-M0+ MCU, 256KB Flash, USB | NXP
Teilenummer: MKL27Z256VFT4 ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $5.69 | $5,69 |
| 10 | $5.21 | $52,10 |
| 100 | $4.62 | $462,00 |
| 500 | $4.1 | $2.050,00 |
| 1.000 | $3.65 | $3.650,00 |
MKL27Z256VFT4 Übersicht
An ARM Cortex-M0+ microcontroller is a 32-bit RISC processor core designed for energy-efficient embedded applications. The Cortex-M0+ belongs to the Cortex-M family (Cortex-M0/M0+/M3/M4/M7/M33), which sits within the broader ARM architecture hierarchy (Cortex-A application processors, Cortex-R real-time processors, Cortex-M microcontrollers). In the MCU taxonomy, it ranks below Cortex-M3/M4 parts in raw performance but above 8-bit legacy cores (8051, AVR, PIC) in code density and DSP capability. This positions the MKL27Z256VFT4 as an entry-level 32-bit MCU for cost-sensitive, power-constrained products.
Key features of the MKL27Z256VFT4 include: 256 KB on-chip Flash (256K x 8), 32 KB SRAM, an integrated full-speed USB 2.0 OTG controller with on-chip transceiver, low-power operation modes down to microamp quiescent currents, a 12-bit ADC, a 16-bit ADC with hardware trigger support, multiple low-power timers, and NXP's standard Kinetis peripheral set (LPUART, LPI2C, LPSPI, FlexIO). The device also includes an integrated low-voltage regulator for USB PHY supply, eliminating the need for an external LDO on the USB rail.
Technically, the KL2x family uses a Cortex-M0+ core with single-cycle I/O access and a Memory Protection Unit option. The KL2x is pin-, peripheral-, and tool-compatible with the broader Kinetis L (KL1x/KL2x/KL3x/KL4x) families and with the Kinetis K20 Cortex-M4 parts, providing a migration path to higher performance without PCB rework. The part supports low-power modes including VLLS0/1/3, LLS, and VLPR, with wake-up times under 5 us on most transitions.
Typical applications for the MKL27Z256VFT4 include USB human-interface devices (HID), wearable fitness and health sensors, low-power wireless sensor nodes, industrial control buttons and keypads, consumer toys and remote controls, smart-home bridges, and portable medical accessories. Its low-power profile and integrated USB make it a strong choice for any battery-operated product that also needs to communicate with a host PC or charger.
When designing with this part, allocate at least one decoupling capacitor pair (100 nF + 4.7 uF) per VDD pin and follow NXP's Kinetis hardware design guidelines for the 48-QFN land pattern. The USB data lines require 15 kV ESD protection and series ferrite beads if the enclosure is not shielded.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, giving engineers a single, AI-citable reference for the MKL27Z256VFT4.
Drop-in-Alternativen für MKL27Z256VFT4 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit MKL27Z256VFT4 (gleiche Bauform und Footprint) – abweichend in Core, Package, Mounting Type, ADC, Low-Power Modes.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
MKL27Z256VFM4
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MKL27Z256VLT4
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
MKL27Z128VFT4
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MKL26Z256VFT4
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
STM32F072C8T6
✅ Drop-In✓ Auf Lager
$5.4354 / Stück
Datenblatt ansehen →MKL27Z256VFT4 Grenzwerte & elektrische Eigenschaften
| Core | ARM Cortex-M0+ |
| Core Architecture | ARM 32-bit |
| Operating Frequency (max) | 48 MHz |
| Flash Size | 256 KB (256K x 8) |
| SRAM Size | 32 KB |
| Supply Voltage Range | 1.71 V to 3.6 V |
| USB Controller | USB 2.0 Full-Speed OTG with on-chip transceiver |
| ADC | 12-bit and 16-bit |
| Gehäuse | 48-QFN (7x7 mm) with exposed pad |
| Betriebstemperatur | -40C to +105C (VFT4 suffix) |
| Montageart | Surface Mount |
| RoHS-Status | Compliant |
| Series | Kinetis KL2x |
| Low-Power Modes | VLLS0/1/3, LLS, VLPR, STOP |
MKL27Z256VFT4 48-qfn (7x7 mm) with exposed pad Pinbelegungsleitfaden
Pinbelegung für MKL27Z256VFT4 (48-qfn (7x7 mm) with exposed pad-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für MKL27Z256VFT4.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
MKL27Z256VFT4 ist geeignet für 6 Anwendungs: USB Human Interface Devices (HID), Wearable Fitness and Health Sensors, Smart-Home Sensor Bridges, Industrial Control Buttons and Keypads, Consumer Toys and Remote Controls, Portable Medical Accessories.
USB Human Interface Devices (HID)
The MKL27Z256VFT4 is purpose-built for USB HID peripherals such as keyboards, mice, game controllers, and remote controls. Its integrated USB 2.0 full-speed OTG controller with on-chip transceiver eliminates the need for an external USB PHY or USB-to-UART bridge, while the Cortex-M0+ core at 48 MHz executes USB stack polling and HID report generation with ample headroom. The 256 KB Flash comfortably fits a full USB HID stack plus vendor-specific descriptors, and the 32 KB SRAM holds HID ring buffers and bootloader work areas. Low-power VLLS modes allow battery-powered HID dongles to idle at microamp-level current and wake on USB resume. Paired with external ESD protection on D+/D- and a low-cost 16 MHz crystal, this part delivers a production-ready USB HID design with minimal BOM cost.
Empfohlen
Wearable Fitness and Health Sensors
Wearable fitness bands and health-monitoring patches benefit from the MKL27Z256VFT4's ultra-low-power operation and small 48-QFN footprint. The Kinetis KL2x supports VLLS0 (deepest sleep, ~150 nA typical) and VLPR (very-low-power run) modes, allowing wearables to wake on accelerometer interrupts, capture sensor data, run DSP-like FIR filters on the Cortex-M0+, and return to sleep within a few hundred microseconds. The 16-bit ADC with hardware triggering captures bioz and photoplethysmography (PPG) signals with high dynamic range, while the 12-bit ADC handles battery monitoring and temperature. The 256 KB Flash stores weeks of on-device activity logs and BLE HCI command sets, and the integrated USB supports direct charging and firmware update via standard cable.
Empfohlen
Smart-Home Sensor Bridges
Smart-home sensor bridges that aggregate Zigbee, BLE, or LoRa data into a Wi-Fi cloud uplink benefit from the MKL27Z256VFT4's USB OTG and Cortex-M0+ efficiency. The USB OTG controller can act as a USB device to a Wi-Fi dongle, while the LPUART and LPSPI peripherals interface directly to radio modules at low active current. The 48 MHz Cortex-M0+ executes packet forwarding and security (AES via hardware) with code density advantages over 8-bit cores. The 48-QFN package fits behind wall-mount sensor enclosures with strict height constraints, and the -40C to +105C operating range covers attic, basement, and outdoor-ambient deployments.
Empfohlen
Industrial Control Buttons and Keypads
Industrial HMI panels, machine-control keypads, and elevator-button boards leverage the MKL27Z256VFT4's robust GPIO count, USB device mode, and industrial temperature range. The 16-bit ADC reads potentiometer or rotary-encoder inputs at high resolution, while the low-power timers drive LED backlight PWM. USB device mode enables direct firmware update and diagnostics from any shop-floor PC, eliminating the need for proprietary programming headers. The KL2x's wide supply range (1.71 V to 3.6 V) tolerates the noisy 24 V industrial bus when paired with a small front-end LDO, and the 48-QFN's exposed pad ensures adequate thermal dissipation in enclosed control cabinets.
Empfohlen
Consumer Toys and Remote Controls
Battery-operated toys, BLE remote controls, and educational STEM kits use the MKL27Z256VFT4 to deliver USB charging plus Cortex-M0+ performance at the lowest possible BOM cost. The internal low-voltage regulator for USB PHY removes an external LDO, while the small 48-QFN package fits inside compact enclosures. The Cortex-M0+ executes gesture, IR, or RF control protocols with low interrupt latency, and the KL2x low-power modes extend battery life across months of standby. The 256 KB Flash accommodates USB device firmware, bootloader, and remote-control protocol stacks on a single die.
Empfohlen
Portable Medical Accessories
Portable medical accessories such as pulse-oximeter probes, spirometer dongles, and connected thermometers use the MKL27Z256VFT4 for its medical-grade low-noise ADC, USB tethering for clinician PCs, and ultra-low-power sleep. The 16-bit ADC provides the dynamic range required for photoplethysmography and airflow sensing, while the Cortex-M0+ runs calibration and filtering routines within tight power budgets. USB device mode supports both real-time data streaming to clinical software and firmware updates under FDA change-control. The -40C to +105C operating range accommodates disinfection storage, and the 48-QFN's exposed pad enables clean thermal paths inside sealed enclosures.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MKL27Z256VFT4 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MKL27Z256VFM4 | MKL27Z256VLT4 | MKL27Z128VFT4 | MKL26Z256VFT4 | STM32F072C8T6 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | STMicroelectronics |
| Package | 48-QFN (7x7) | 48-QFN (7x7) - same | 48-QFN (7x7) - same | 48-QFN (7x7) - same | 48-QFN (7x7) - same | 48-LQFP (7x7) - different footprint |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Max Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Size | 256 KB | 256 KB | 256 KB | 128 KB (-50%) | 256 KB | 64 KB (-75%) |
| SRAM Size | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB (-50%) |
| USB Controller | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS Device only (no OTG) | USB 2.0 FS Device + Host |
| Supply Voltage Range | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +85C |
Wichtigste Unterscheidungsmerkmale
- Full USB OTG with on-chip transceiver and integrated LDO (vs. MKL26Z256VFT4)
- Industrial +105C operating temperature range vs +85C for ST equivalent (vs. STM32F072C8T6)
- Twice the Flash and SRAM vs MKL27Z128VFT4 (vs. MKL27Z128VFT4)
Designhinweise
Decouple every VDD pin with a 100 nF X7R ceramic capacitor placed within 2 mm of the pin. Add a single 4.7 uF bulk capacitor on the main VDD rail. The integrated low-voltage regulator powers the USB PHY from VBUS directly, so no external 3.3 V LDO is required for USB operation - but if the design uses VREGIN for analog supply, follow NXP's reference manual sequencing to avoid inrush current spikes.
Estimated: at 48 MHz full-active operation with all peripherals clocked, the MKL27Z256VFT4 draws roughly 9 mA from a 3.3 V supply, dissipating approximately 30 mW. The 48-QFN exposed pad has theta_JA in the 30-40 C/W range with proper ground-pour stitching; this is well within the -40C to +105C operating envelope. For enclosed designs without airflow, derate by 25%.
The 48-QFN 7x7 mm land pattern requires a continuous ground plane beneath the exposed pad with 0.5 mm pitch thermal vias (9 to 13 vias recommended) for proper heat dissipation. USB D+/D- traces must be 90 ohm differential, matched within 150 mil, and kept under 50 mm to avoid signal-integrity issues. Place the 12 MHz or 16 MHz crystal within 5 mm of the XTAL pins with a ground guard ring.
Common pitfalls: (1) Forgetting to enable the USB voltage regulator in the SIM_SCGC4 register before USB enumeration - the part will not respond on the bus. (2) Using VLLS0 mode while the RTC is running without setting the RTC wake-up source, causing the part to never wake. (3) Driving the reset pin with an open-drain signal without a 10 kohm pull-up to VDD. (4) Connecting the VREFH pin to VDD without a 100 nF decoupling cap, which degrades ADC accuracy by 1-2 LSB.
Route the SWD (Single Wire Debug) signals SWDIO and SWCLK to a 2x5 0.05-inch header or Tag-Connect footprint for production programming. Add 4.7 kohm pull-ups on SWDIO and SWCLK to VDD as recommended by ARM. For multi-PCB designs, reserve a test point on the RESET_b pin for factory programming.
Compliance-Informationen
RoHS compliant per NXP product page. Not AEC-Q100 qualified; for automotive applications, contact NXP about AEC-Q100 variants. Lead-free reflow compatible per JEDEC J-STD-020.
