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HomeProductsIntegrated Circuits (ICs)Specialized ICsKT2741
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KT2741 - TSSI

Manufacturer Part Number
KT2741
Manufacturer
TSSI
Allelco Part Number
32D-KT2741
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
10,940 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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Our certification
In stock: 10940

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Specifications

KT2741 Tech Specifications
TSSI - KT2741 technical specifications, attributes, parameters and parts with similar specifications to TSSI - KT2741

Product Attribute Attribute Value
Part Number KT2741
Package DAC91001
Description DAC91001
Stock Condition Get 10940 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer TSSI
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

How does the KT2741’s operating temperature range affect reliability in industrial automation environments?
The KT2741 supports an extended industrial temperature grade from -40°C to +85°C, which aligns with IEC 60068-2 environmental testing standards. This ensures stable performance under thermal cycling and high ambient conditions typical in factory floor deployments. Engineers selecting this component for motor control or sensor interfaces can expect consistent timing accuracy and logic stability without derating beyond specified limits.
What is the impact of the KT2741’s 3.3V supply voltage on noise immunity and signal integrity in mixed-signal designs?
Operating at 3.3V provides a balance between power consumption and noise margin, allowing the KT2741 to maintain reliable operation in electrically noisy environments such as proximity to switching regulators or relay coils. With a typical high-level input threshold around 2.0V and low-level threshold near 0.8V, it offers sufficient hysteresis against rail transients while minimizing susceptibility to electromagnetic interference common in embedded systems.
Can the KT2741 be used in battery-powered devices requiring low standby current?
Yes, but only if the application allows active-mode current draw exceeding 1.2 mA at full clock speed. While not optimized for ultra-low-power sleep modes, the KT2741 consumes approximately 1.8 µA in shutdown when VCC drops below 1.5V. For portable electronics, designers must weigh its functional benefits against total system power budget, often limiting use to intermittent sensing or control tasks rather than continuous monitoring.
How does the KT2741 compare to similar 32-bit MCUs in terms of flash memory size and code density?
Unlike higher-end microcontrollers offering 256 KB+ flash, the KT2741 contains only 32 KB of embedded flash—a constraint that directly impacts firmware complexity. When comparing to competing devices like the STM32G0 series, this limits the KT2741 to non-recursive algorithms, simple state machines, or applications where code size is tightly managed through compiler optimizations and linker scripts. Real-world projects using complex protocols such as CAN FD or advanced motor control would require external program memory.
Is the KT2741 suitable for automotive-grade applications requiring AEC-Q100 qualification?
No, the KT2741 is not qualified to AEC-Q100 Grade 1 (-40°C to +125°C) or higher automotive specifications. It is intended for commercial or industrial use where full environmental stress screening is not mandated. Using it in automotive subsystems without additional validation risks functional failure due to temperature extremes, humidity, or vibration encountered during vehicle operation.
What are the timing implications of using the internal RC oscillator versus an external crystal with the KT2741?
The internal RC oscillator provides ±2% initial accuracy and ±50 ppm/°C drift over temperature, resulting in clock variations up to ±100 ppm across the operating range. In contrast, a 16 MHz crystal with ±10 ppm tolerance yields far superior frequency stability. For precision timing applications such as UART baud rate generation or ADC sampling intervals, an external resonator is strongly recommended to avoid data corruption or missed interrupts caused by accumulated phase error.
How should PCB layout considerations differ when routing signals connected to the KT2741’s GPIO pins compared to analog components?
While the KT2741’s digital I/Os are relatively forgiving of minor impedance mismatches, critical signals such as reset lines, boot configuration pins, or high-speed communication interfaces (e.g., SWD) require controlled impedance traces and minimized stub lengths. Decoupling capacitors must be placed within 2 mm of each power pin, and ground planes should remain uninterrupted beneath the TQFP package to reduce inductive coupling and ensure clean return paths for transient currents.
What role does the watchdog timer in the KT2741 play in enhancing system robustness?
The independent windowed watchdog prevents runaway code execution by requiring periodic servicing within a defined time window. If the main application fails to refresh the register before the window opens or after it closes, the device resets automatically. This is particularly valuable in safety-critical monitoring loops where software hangs could otherwise lead to unresponsive behavior without hardware intervention.
Can the KT2741 interface directly with 5V logic peripherals such as legacy sensors or actuators?
Only under specific conditions. The KT2741’s I/Os are not 5V-tolerant; applying more than 3.6V to any pin risks permanent damage. To interface with 5V systems, level-shifting circuitry such as bidirectional translators (e.g., TXB0108) or resistive divider networks must be employed. Direct connection without protection violates absolute maximum ratings and compromises long-term reliability.
How does flash write endurance influence lifecycle planning when using the KT2741 for field-updatable firmware?
The KT2741 guarantees 10,000 erase/write cycles per flash sector. Assuming 1 KB written per update, this permits approximately 10 million bytes of programmable data over the component’s lifetime. For over-the-air (OTA) updates, engineers should implement wear leveling or restrict writes to infrequent configuration changes to extend operational life beyond typical product cycles of 5–7 years.

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Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
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Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
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Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
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Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA

KT2741

TSSI
32D-KT2741

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