SN74HCT245DWR

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SN74HCT245DWR

IC TXRX NON-INVERT 5.5V 20SOIC

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  • Fr. Teil #SN74HCT245DWR
  • Paket SOIC (DW)-20
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Spezifikationen

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)

Übersicht

Description

The SN74HCT245DWR is an octal buffer/driver with 3-state outputs designed for high-speed data transmission. It features eight independent inputs and outputs, allowing for the transfer of data between different voltage levels, particularly from low to high logic levels. The device is part of Texas Instruments' HCT (High-speed CMOS TTL) family, ensuring compatibility with TTL logic while providing improved performance in terms of speed and power consumption.
This buffer operates with a supply voltage range of 4.5V to 5.5V and can handle input voltage levels down to 0V, making it versatile for various digital applications. The SN74HCT245DWR includes enable/disable control for each set of outputs, allowing for flexible data routing in designs such as microprocessor interfaces and bus-oriented applications. Its package is a 20-pin TSSOP, facilitating space-saving designs in printed circuit boards (PCBs).

Features

The SN74HCT245DWR is an octal buffer/driver with 3-state outputs, designed for high-speed CMOS applications. Key features include:
1. High-Speed Performance: It operates at speeds up to 25 MHz, making it suitable for fast data transfer.
2. 3-State Outputs: The outputs can be enabled or disabled, allowing for bus-oriented applications.
3. Logic Levels: Compatible with TTL and CMOS logic levels, ensuring versatility in mixed-logic environments.
4. Wide Supply Voltage Range: Operates with a supply voltage of 4.5V to 5.5V, accommodating various application requirements.
5. Low Power Consumption: Designed to minimize power usage, making it ideal for battery-operated devices.
6. Pin Configuration: Available in a 20-pin TSSOP package, facilitating easy integration into compact designs.
7. Reliable Operation: Incorporates protection against noise and ensures stable performance under varying conditions.
These features make the SN74HCT245DWR suitable for applications in data buffering, signal conditioning, and communication interfaces.

Package

The SN74HCT245DWR is packaged in a small shrink dual in-line package (SMD) format known as TSSOP (Thin Shrink Small Outline Package). It features a compact design suitable for surface-mount applications, accommodating multiple pins in a space-efficient manner.

Pinout

The SN74HCT245DWR is an octal buffer/driver with 3-state outputs. It has a total of 20 pins.
Pin Functions:
- Inputs (A1 to A8): Pins 2-9 for data input.
- Outputs (Y1 to Y8): Pins 11-18 for data output.
- Control Pins:
- DIR (Pin 1): Determines the direction of data flow; when high, data flows from inputs to outputs.
- OE (Pin 19): Output Enable; when low, it enables the outputs. When high, the outputs are in a high-impedance state.
- Ground (Pin 10): Connects to the ground.
- Power Supply (Pin 20): Connects to the positive voltage supply.
This device is widely used for signal buffering and level shifting in digital circuits.

Manufacturer

The SN74HCT245DWR is manufactured by Texas Instruments (TI), a major American technology company. Founded in 1930, Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits (ICs), including logic devices, microcontrollers, and analog chips. The company primarily serves the electronics industry, providing components for applications in automotive, industrial, consumer electronics, and communications sectors. TI is recognized for its innovation in signal processing and power management, and it is one of the leading suppliers of semiconductor products globally.

Application

The SN74HCT245DWR is an octal bus transceiver designed for high-speed data transmission. Its primary application areas include data communication between microcontrollers and peripheral devices, signal buffering in digital circuits, and interfacing between different logic levels. It is commonly used in computer systems, networking equipment, and industrial automation to facilitate parallel data transfer and improve signal integrity.

Equivalent

Equivalent products to the SN74HCT245DWR include the 74HCT245, 74ACT245, 74HC245, and 74LVC245. These chips are all octal bus transceivers with similar functionalities but may differ in electrical characteristics such as voltage levels and speed. Check specific datasheets for compatibility with your application.

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