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SN74HCT244NSR
IC BUFFER NON-INVERT 5.5V 20SO
- 제조업체
- Mfr.부분 #SN74HCT244NSR
- 패키지 20-SOIC (0.209, 5.30mm Width)
- 데이터시트
- 재고 있음6621
100% 원래 &새로운
배송 준비 24 시간
365 일 보장
RFQ 및더 많은 할인
사양
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HCT |
| ProductStatus | Active |
| LogicType | Buffer, Non-Inverting |
| NumberofElements | 2 |
| NumberofBitsperElement | 4 |
| OutputType | 3-State |
| Current-OutputHighLow | 6mA, 6mA |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-SOIC (0.209, 5.30mm Width) |
개요
Description
Key features include high-speed operation, low power consumption, and high output drive capability, with each output capable of driving up to 15 loads. The SN74HCT244 is specifically designed to improve bus capacity in data communication and can help isolate signal lines to prevent loading effects. The 3-state outputs enable multiple devices to share the same output line, making it ideal for applications requiring data multiplexing.
Common applications include logic level shifting, data buffering, and fan-out applications in microcontroller interfacing. Available in an SOIC-20 package, the SN74HCT244NSR is widely used in various electronic systems requiring reliable digital signal management.
Features
1. Hex Buffer/Driver: Contains six independent buffers/drivers, each with a standard TTL input and output.
2. Voltage Levels: Operates within a 4.5V to 5.5V supply voltage range, compatible with TTL and CMOS logic levels.
3. High-Speed Operation: Offers fast transition times, with propagation delays typically around 8 ns at 5V.
4. Low Power Consumption: Features low static and dynamic power consumption, suitable for battery-operated devices.
5. Tri-State Outputs: Each output can be enabled or disabled, allowing for multiplexing and bus-oriented applications.
6. Wide Temperature Range: Suitable for various applications, operating from -40°C to 125°C.
7. DIP and SOIC Packages: Available in multiple package types for diverse design needs.
These features make the SN74HCT244NSR ideal for applications requiring signal buffering, driving capabilities, and high-speed transistor-transistor logic (TTL) compatibility.
Package
Pinout
Pin Count: 20 pins
Functions:
- The device has 8 input pins (A1 to A8) and 8 corresponding output pins (Y1 to Y8).
- It includes 2 control pins: an output enable (OE) pin, which controls the activation of the output drivers, and a separate enable pin for each buffer.
- When the OE pin is low, the outputs are enabled; when it is high, the outputs are in a high-impedance state.
- It is used for buffering and driving signals, providing increased fan-out and improved signal integrity in digital circuits.
The SN74HCT244NSR operates over a wide voltage range and is suitable for various applications requiring signal buffering.
Manufacturer
Application
Equivalent
1. 74HC244 - Standard CMOS version.
2. 74HCT245 - Octal buffer/driver if more channels are needed.
3. SN74LS244 - Low-power Schottky equivalent.
4. SN74AHCT244 - Advanced high-speed CMOS variant.
5. 74AC244 - Advanced CMOS variant for faster operation.
Always verify pin compatibility and logic level requirements for specific applications.
배송
배송 방법We
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배송 요금 참조 (DHL/FedEx):
DHL은: 배송 비용은 $25-$45 (0.5kg)에서 2-5 영업일의 추정적 배달 시간이 있습니다.
FedEx는: 배송 비용은 $25-$40 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.
UPS는: 배송 비용은 $25-$45 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.
TNT는: 배송 비용은 $25-$65 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.
EMS는: 배송 비용은 $30-$50 (0.5kg)에서 7-15 영업일의 추정적 배달 시간을 제공합니다.
등록된 항공우편: 배송 비용은 $2-$4 (0.1kg), 예상 배달 시간 5-20 영업일.
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