KF8TS2714SG - 14KB Flash 8-bit MCU SOIC-20 | ChipON
Référence : KF8TS2714SG ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $0.85 | $0,85 |
| 10 | $0.72 | $7,20 |
| 100 | $0.55 | $55,00 |
| 500 | $0.42 | $210,00 |
| 1 000 | $0.33 | $330,00 |
KF8TS2714SG Présentation
An 8-bit microcontroller (8-bit MCU) is a small computer-on-a-chip containing a CPU with an 8-bit data bus, program and data memory, I/O ports, timers, communication peripherals, and interrupt control. The 8-bit MCU sits in the broader taxonomy: microcontroller -> embedded controller -> integrated circuit -> semiconductor. The ChipON KF8 family uses the proprietary KungFu RISC-style core, a position comparable to Microchip PIC or 8051 cores, but with extended 14-bit instruction word and improved peripheral integration. 8-bit MCUs remain a dominant choice for simple, deterministic, real-time control in appliances, industrial sensors, and motor control where cost and code simplicity outweigh throughput.
Key features of the KF8TS2714SG include 14KB Flash program memory (8Kx16 organization), 1024 bytes SRAM, integrated 10-bit ADC with multiple channels, enhanced PWM/capture/compare timers, and 2.6V-5.5V wide operating voltage. The part also integrates a high-precision internal oscillator, LVD (low-voltage detection) with selectable thresholds, multiple communication interfaces (UART, SPI, I2C), and on-chip in-system programmable (ISP) Flash for field updates without external programmers.
The KF8TS2714 architecture combines a single-cycle KungFu core with a Harvard bus structure, enabling deterministic instruction throughput for real-time control loops. The 14-bit instruction word and 8Kx16 program Flash organization allow dense code packing and faster interrupt service routine execution. The internal 32 kHz low-speed oscillator plus a high-speed configurable oscillator (up to 16 MHz) support flexible clock trees for low-power standby and active processing, while integrated brown-out reset (BOR) and watchdog timer (WDT) harden the part against industrial electrical noise.
Typical applications include small home appliances (rice cookers, induction cookers, fans, washing machine sub-modules), industrial sensor interfaces, low-end motor control, LED lighting controllers, and battery management front-ends. The wide 2.6V-5.5V supply range supports both 3.3V and 5V system rails. For high-end motor control, multi-axis drive, or high-speed communication, the designer should consider the KF32A 32-bit MCU family from the same manufacturer.
When designing with this device, ensure the decoupling network is sized per the datasheet: a 1uF plus 100nF ceramic pair (often a 105 plus 102) placed as close as possible to the VDD and VSS pins, and avoid negative or transient over-voltage on VDD to prevent LATCH-UP damage. Reserve unused pins as outputs or with internal pull-ups to minimize quiescent current and improve EMI immunity.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes - including critical LATCH-UP mitigation guidance - that are not consolidated in the manufacturer datasheet alone.
Alternatives de remplacement direct pour KF8TS2714SG — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
KF8TS2714
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
KF8TS2714SG Valeurs maximales et caractéristiques électriques
| Core Architecture | ChipON KungFu 8-bit (KF8) RISC |
| Program Flash Memory | 14 KB (8Kx16 organization, 14-bit instruction word) |
| SRAM | 1024 bytes |
| Operating Voltage | 2.6 V to 5.5 V |
| Internal Oscillator | 32.768 kHz low-speed + high-speed configurable |
| ADC | 10-bit, multi-channel |
| PWM / CCP Modules | Enhanced capture/compare/PWM (multiple channels) |
| Communication Peripherals | UART, SPI, I2C |
| LVD (Low-Voltage Detection) | Yes, selectable thresholds |
| Watchdog Timer (WDT) | Yes |
| Brown-Out Reset (BOR) | Yes |
| In-System Programming (ISP) | Yes (Flash self-programming) |
| Boîtier | SOIC-20 |
| Nombre de broches | 20 |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
Configuration des broches de KF8TS2714SG
| Broche 1 | VDD — Power supply (2.6 V to 5.5 V) |
| Broche 2 | P5.0 — GPIO / ADC channel |
| Broche 3 | P5.1 — GPIO / ADC channel |
| Broche 4 | P5.2 — GPIO / ADC channel |
| Broche 5 | P5.3 — GPIO / ADC channel |
| Broche 6 | P5.4 — GPIO / ADC channel |
| Broche 7 | VSS — Ground |
| Broche 8 | P0.0 — GPIO / external interrupt |
| Broche 9 | P0.1 — GPIO / external interrupt |
| Broche 10 | P1.0 — GPIO / PWM output |
| Broche 11 | P1.1 — GPIO / PWM output |
| Broche 12 | P1.2 — GPIO / PWM output / CCP |
| Broche 13 | P2.0 — GPIO / UART TX |
| Broche 14 | P2.1 — GPIO / UART RX |
| Broche 15 | P3.0 — GPIO / SPI SCK |
| Broche 16 | P3.1 — GPIO / SPI MOSI |
| Broche 17 | P3.2 — GPIO / SPI MISO |
| Broche 18 | P3.3 — GPIO / I2C SCL |
| Broche 19 | P4.0 — GPIO / I2C SDA |
| Broche 20 | ICSPDAT/ICSPCLK — In-system programming pins (shared with GPIO) |
Applications typiques
KF8TS2714SG convient pour 7 applications: Small Home Appliance Control, Industrial Sensor Interface Module, Low-End BLDC and DC Motor Control, LED Lighting Controller, Battery Management Front-End, Consumer White Goods and Toy Electronics, Remote Control and Human-Machine Interface (HMI).
Small Home Appliance Control
The KF8TS2714SG is well matched to small home appliances such as rice cookers, induction cooktops, and washing-machine sub-modules. Its 14 KB Flash and 1024 B SRAM provide headroom for state-machine firmware, sensor fusion, and user-interface handling, while the enhanced capture/compare/PWM module drives heater elements and TRIAC control. The 2.6 V to 5.5 V supply lets designers reuse the existing 5 V or 3.3 V rails, and the 10-bit ADC reads temperature, current, and voltage sensors directly. Compared with a 32-bit MCU, the KF8TS27xx family lowers BOM cost and shortens deterministic loop response, which is critical for thermal regulation.
Recommandé
Industrial Sensor Interface Module
For industrial 4-20 mA loop sensors, RTD/thermocouple front ends, and low-speed data acquisition nodes, the KF8TS2714SG's 10-bit ADC and UART provide the right balance of cost and capability. The KungFu 8-bit core handles Modbus RTU or proprietary protocols deterministically, while the wide 2.6 V to 5.5 V supply tolerates poorly regulated 24 V/5 V industrial rails with the recommended 1uF + 100nF VDD decoupling. The 14 KB Flash allows on-board calibration tables, while the BOR and LVD protect against brown-out events common in motor cabinets. Choose the KF32A 32-bit family only if the sensor node requires DSP-grade filtering or higher ADC resolution.
Recommandé
Low-End BLDC and DC Motor Control
The KF8TS2714SG's enhanced CCP/PWM module and 10-bit ADC make it a strong fit for low-end single-axis BLDC or DC motor control in fans, water pumps, and small appliance motors. The high-speed internal oscillator eliminates an external crystal in many designs, reducing PCB area and BOM cost. Trapezoidal commutation algorithms fit comfortably within the 14 KB Flash, while the integrated watchdog timer (WDT) and BOR improve reliability in electrically noisy motor environments. For sinusoidal FOC, multi-axis servo, or higher RPM applications, designers should evaluate the ChipON KF32A 32-bit MCU family instead, which provides dedicated motor-control peripherals.
Recommandé
LED Lighting Controller
LED lighting controllers for commercial and industrial fixtures benefit from the KF8TS2714SG's PWM resolution, low standby current, and 2.6 V to 5.5 V supply tolerance. The 14 KB Flash supports DMX-512, DALI, or 0-10 V dimming protocol stacks, while the CCP/PWM channels drive constant-current LED drivers directly. Wide operating voltage eliminates extra LDO stages when powered from 5 V or 12 V LED-driver rails. Compared with smaller KF8TS2708/KF8TS2710 siblings, the 14 KB Flash and 20-pin SOIC headroom allow for richer UI, fault logging, and wireless add-on (e.g., Bluetooth) without migrating to a 32-bit MCU.
Recommandé
Battery Management Front-End
For low-cell-count battery packs (e.g., 2S-4S Li-ion or 6 V/12 V lead-acid), the KF8TS2714SG can serve as a protection and monitoring front-end. The 10-bit ADC reads cell voltage, pack current, and NTC thermistor, while the on-chip comparator supports over-current detection within microseconds. The 2.6 V to 5.5 V supply operates directly from a single-cell Li-ion after a small LDO or from the battery pack itself. The integrated LVD with selectable thresholds simplifies cell-UVP detection. Always pair with external FET drivers for high-current packs and follow the LATCH-UP mitigation guidance in the datasheet.
Recommandé
Consumer White Goods and Toy Electronics
The KF8TS2714SG is well suited for cost-sensitive consumer products such as air purifiers, humidifiers, electronic toys, and entry-level white goods. Its 14 KB Flash and 1024 B SRAM handle button scanning, LED matrix driving, simple sound playback, and motor sequencing. The integrated 32.768 kHz low-speed oscillator plus the configurable high-speed oscillator reduce external component count. The 20-pin SOIC footprint is friendly to wave-soldered or hand-reworked boards, and the wide 2.6 V to 5.5 V supply works with both 3-cell alkaline (4.5 V) and 5 V USB supplies. Designers should budget for the 1uF + 100nF decoupling pair to prevent LATCH-UP.
Recommandé
Remote Control and Human-Machine Interface (HMI)
The KF8TS2714SG is suitable for IR/RF remote controls, fan controllers, and small HMI panels where cost and code simplicity matter more than throughput. The 14 KB Flash supports NEC/RC5 IR protocols, RF pairing, and small bitmap menus, while the CCP/PWM channels drive LED backlights, buzzers, and small status displays. The wide 2.6 V to 5.5 V supply covers both 2x AA (3 V) and USB (5 V) rails. Compared with the smaller KF8TS2708 and KF8TS2710, the 20-pin SOIC and 14 KB Flash leave room for multi-button capacitive touch and OTA-ready firmware without changing the MCU platform.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour KF8TS2714SG — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | KF8TS2714 |
|---|---|---|
| Package | SOIC-20 | SOIC-20 - same |
| Brand | ChipON | ChipON - same |
| Core Architecture | KungFu 8-bit (KF8) | KungFu 8-bit (KF8) - same |
| Program Flash Memory | 14 KB (8Kx16, 14-bit) | 14 KB (8Kx16, 14-bit) - same |
| SRAM | 1024 B | 1024 B - same |
| Operating Voltage | 2.6 V to 5.5 V | 2.6 V to 5.5 V - same |
| ADC | 10-bit | 10-bit - same |
| Pin Count | 20 | 20 - same |
| In-System Programming (ISP) | Yes | Yes - same |
Principaux différenciateurs
- Largest Flash in the KF8TS27x family (vs KF8TS2710SE)
- More GPIO for richer peripherals (vs KF8TS2708SD)
- KungFu 8-bit core with 14-bit instruction word (vs Generic 8051 MCUs)
Notes de conception
Per the ChipON KF8TS2708/10/14 datasheet, place a 1uF (105) and a 100nF (102) ceramic capacitor in parallel between VDD and VSS, positioned as close as possible to the chip's VDD pin. This dual-cap network suppresses the fast transients that can trigger CMOS LATCH-UP. If the system uses a long VDD trace (>20 mm) from the regulator, add a ferrite bead in series with VDD to attenuate high-frequency noise.
Do not allow abnormal high or negative voltage on the VDD pin; LATCH-UP can permanently damage the device. Avoid floating unused pins: configure them as outputs or enable internal pull-ups to minimize quiescent current. Ensure ISP programming pins (ICSPDAT/ICSPCLK) are not held low at reset, which may prevent normal boot. When migrating code from KF8TS2708/2710, verify the Flash page size matches the new device's erase granularity.
Route the high-speed oscillator traces (OSCIN/OSCOUT if used externally) as short and symmetric as possible, with a ground guard ring on both sides. Keep ADC analog traces away from PWM and digital switching nodes to minimize coupled noise; place a 100 nF cap at each ADC input pin. Use a single solid ground plane beneath the SOIC-20 footprint and stitch vias around the perimeter for thermal dissipation.
Informations de conformité
RoHS and lead-free confirmed per ChipON product page. AEC-Q100 automotive qualification not claimed - not suitable for automotive safety-critical applications. REACH, halogen-free, and conflict-minerals declarations not present in the verified web data and are marked unknown.
