Images are for reference only
SN74HCT245DW
+BOMIC TXRX NON-INVERT 5.5V 20-SOIC
-
ManufacturerTexas Instruments
-
Mfr. Part #SN74HCT245DW
-
In Stock4936
365 Days Quality Guarantee
7*24 hours service quarantee
90-day after-sales guarantee
Genuine Product Guarantee
Specifications
| Attribute | Value |
| Series | 74HCT |
| Part Status | Obsolete |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Output Type | 3-State |
| Current - Output High, Low | 6mA, 6mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
| Base Product Number | 74HCT245 |
Overview
Description
The SN74HCT245DW is an octal buffer/driver designed for use in digital circuits, specifically in high-speed applications. It features eight data inputs and outputs, facilitating the bidirectional flow of data. The device operates with a supply voltage range of 4.5V to 5.5V and is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels, making it versatile for various applications.
Its primary function is to provide signal buffering, which helps drive larger loads and improves signal integrity over longer distances. The SN74HCT245DW also features enable control pins that allow for selective data routing, enabling or disabling the output as needed. This makes it useful in bus-oriented systems.
Additionally, it is available in a surface-mount package (DW) for space-constrained designs. The device is widely used in applications such as data communication, interfacing between different logic families, and general signal buffering in electronic systems.
Its primary function is to provide signal buffering, which helps drive larger loads and improves signal integrity over longer distances. The SN74HCT245DW also features enable control pins that allow for selective data routing, enabling or disabling the output as needed. This makes it useful in bus-oriented systems.
Additionally, it is available in a surface-mount package (DW) for space-constrained designs. The device is widely used in applications such as data communication, interfacing between different logic families, and general signal buffering in electronic systems.
Equivalent
Equivalent products to the SN74HCT245DW include the 74HC245 74HCT245, and 74LS245. Other compatible alternatives are the74AHCT245 and the 74LVC245. Ensure that the voltage levels, power supply, and logic family requirements match your application for proper functionality.
Features
The SN74HCT245DW is an octal bus transceiver designed for high-speed data transmission. Key features include:
1. Bus Direction Control: It supports data flow in both directions, allowing easy communication between devices.
2. High-Speed Operation: Capable of operating at speeds up to 25 MHz, making it suitable for fast applications.
3. Wide Supply Voltage Range: Operates with a supply voltage of 4.5V to 5.5V, compatible with TTL and CMOS logic levels.
4. 3-state Outputs: The outputs can be placed in a high-impedance state, enabling multiple devices to share the same bus without interference.
5. Low Power Consumption: Designed for energy efficiency, consuming low quiescent current.
6. TTL Compatible: Works seamlessly with TTL logic, ensuring versatility in system design.
7. Temperature Range: Functional across a wide temperature range, typically from -40°C to +85°C.
These features make the SN74HCT245DW ideal for bus-oriented applications in digital communication systems.
1. Bus Direction Control: It supports data flow in both directions, allowing easy communication between devices.
2. High-Speed Operation: Capable of operating at speeds up to 25 MHz, making it suitable for fast applications.
3. Wide Supply Voltage Range: Operates with a supply voltage of 4.5V to 5.5V, compatible with TTL and CMOS logic levels.
4. 3-state Outputs: The outputs can be placed in a high-impedance state, enabling multiple devices to share the same bus without interference.
5. Low Power Consumption: Designed for energy efficiency, consuming low quiescent current.
6. TTL Compatible: Works seamlessly with TTL logic, ensuring versatility in system design.
7. Temperature Range: Functional across a wide temperature range, typically from -40°C to +85°C.
These features make the SN74HCT245DW ideal for bus-oriented applications in digital communication systems.
Pinout
The SN74HCT245DW is an octal bus transceiver with 3-state outputs, designed for interfacing between different voltage levels in digital systems. It has a total of 20 pins.
Pin functions include:
- Data Inputs/Outputs (A1-A8, B1-B8): These are used for data transmission and reception between the two buses.
- Direction Control (DIR): Determines the direction of data flow (from A to B or B to A).
- Output Enable (OE): Activates or deactivates the outputs; when low, the outputs are enabled.
- Ground (GND): Connects to the system ground.
- VCC: Connects to the positive supply voltage.
The device operates at a logic level compatible with TTL (Transistor-Transistor Logic) while accommodating HCT (High-speed CMOS) levels, making it suitable for various applications in digital circuits.
Pin functions include:
- Data Inputs/Outputs (A1-A8, B1-B8): These are used for data transmission and reception between the two buses.
- Direction Control (DIR): Determines the direction of data flow (from A to B or B to A).
- Output Enable (OE): Activates or deactivates the outputs; when low, the outputs are enabled.
- Ground (GND): Connects to the system ground.
- VCC: Connects to the positive supply voltage.
The device operates at a logic level compatible with TTL (Transistor-Transistor Logic) while accommodating HCT (High-speed CMOS) levels, making it suitable for various applications in digital circuits.
Manufacturer
The SN74HCT245DW is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of analog and digital electronic components. Founded in 1930 and headquartered in Dallas, Texas, TI specializes in various markets, including automotive, industrial, communications, and consumer electronics. The company is recognized for its innovation in integrated circuits, microcontrollers, and signal processing technologies. Texas Instruments plays a significant role in the development of semiconductor solutions that facilitate advancements in electronics and technology across multiple industries.
Application
The SN74HCT245DW is an octal bus transceiver designed for high-speed data transmission and level shifting between different voltage domains. Its primary application areas include:
1. Data Communication: Facilitating data transfer between microcontrollers and peripheral devices.
2. Interface Bridging: Connecting TTL-compatible devices with higher voltage levels (e.g., CMOS).
3. Signal Conditioning: Improving signal integrity in noisy environments.
4. Bus Systems: Serving in parallel data paths for memory and communication buses.
5. Logic Level Conversion: Allowing multiple systems to communicate at different voltage levels.
Its features make it suitable for both digital signal processing and interconnecting integrated circuits in various electronic systems.
1. Data Communication: Facilitating data transfer between microcontrollers and peripheral devices.
2. Interface Bridging: Connecting TTL-compatible devices with higher voltage levels (e.g., CMOS).
3. Signal Conditioning: Improving signal integrity in noisy environments.
4. Bus Systems: Serving in parallel data paths for memory and communication buses.
5. Logic Level Conversion: Allowing multiple systems to communicate at different voltage levels.
Its features make it suitable for both digital signal processing and interconnecting integrated circuits in various electronic systems.
Package
The SN74HCT245DW is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.
