이미지는 참조용입니다.
SN74HCT245DWR
+BOMIC TXRX NON-INVERT 5.5V 20SOIC
-
제조업체텍사스 인스트루먼트(주)
-
제조업체 부품 #SN74HCT245DWR
-
패키지 SOIC (DW)-20
-
재고5765
365 1일 품질 보증
7*24 영업 시간 서비스 보증
90-판매 후 1일 보증
정품 보증
사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | 74HCT |
| ProductStatus | Active |
| LogicType | Transceiver, Non-Inverting |
| NumberofElements | 1 |
| NumberofBitsperElement | 8 |
| 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 (0.295, 7.50mm Width) |
개요
Description
Operating at a supply voltage range of 4.5V to 5.5V, the SN74HCT245DWR is compatible with TTL (Transistor-Transistor Logic) levels, ensuring smooth integration with other TTL-compatible devices. Its high-speed CMOS technology ensures low power consumption and fast switching times. The device is packaged in a 20-pin SOIC (Small Outline Integrated Circuit), making it suitable for surface-mount applications, which are common in modern electronics. Typical applications include memory interfacing, data routing, and signal buffering in computing and communication systems.
Equivalent
1. 74HCT245 from Nexperia.
2. CD74HCT245 from Texas Instruments (different package).
3. MC74HCT245 from ON Semiconductor.
4. TC74HCT245 from Toshiba.
These alternatives generally offer similar functionality and pin configurations, but it's important to verify electrical characteristics and package compatibility for your specific application.
Features
1. Logic Family: High-speed CMOS (HCT) with TTL-compatible inputs, facilitating seamless integration with TTL logic levels.
2. Voltage Range: Operates from a 4.5V to 5.5V supply, suitable for a broad range of applications.
3. Direction Control: Includes a direction control input for bidirectional data flow control.
4. Output Enable: Features an output enable input for tri-state operation, allowing for bus isolation.
5. High Current Drive: Outputs can source or sink up to 6mA, making the device capable of driving moderate loads.
6. Low Power Consumption: Designed for low power dissipation, contributing to energy-efficient designs.
7. Operating Temperature: Suitable for industrial applications with a temperature range of -40°C to 85°C.
8. Package: Available in a 20-pin SOIC (Small Outline IC) package, saving board space.
These features make the SN74HCT245DWR ideal for applications requiring efficient data communication and control.
Pinout
The key functions of the SN74HCT245DWR include:
1. Bidirectional Data Transfer: Allows data to flow in both directions between the A and B buses.
2. 3-State Outputs: Can be placed in a high-impedance state, effectively disconnecting the device from the bus.
3. Direction Control: The DIR pin controls the direction of data flow. When DIR is high, data flows from A to B; when low, data flows from B to A.
4. Output Enable: The OE pin controls the output enable function. When OE is low, the bus transceiver is enabled; when high, outputs are placed in a high-impedance state.
The SN74HCT245DWR is widely used in digital systems for bus interfacing and data communication between different parts of a circuit.
Manufacturer
Application
1. Microcontroller Interfacing: Facilitates communication between microcontrollers and peripheral devices.
2. Memory Addressing: Used in memory bank switching and address bus isolation.
3. Data Buffering: Serves as a buffer to handle data flow between devices with different voltage levels.
4. Level Shifting: Converts TTL logic levels to CMOS, enabling compatibility between systems.
5. Multiplexed Data Systems: Supports systems that require bidirectional data flow control.
These characteristics make it suitable for applications in computing, telecommunications, and consumer electronics where efficient data handling is critical.