SN74HCT245DWR

Images à titre indicatif uniquement

SN74HCT245DWR

+Nomenclature

IC TXRX NON-INVERT 5.5V 20SOIC

  • FabricantTexas Instruments

  • Pièce fabricant #SN74HCT245DWR

  • Package SOIC (DW)-20

  • En stock5765

365 Garantie qualité 24h/24

7*24 Garantie de service 24h/24

90-Garantie après-vente 24h/24

Garantie produit authentique

Spécifications

Attribut Valeur
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)

Présentation

Description

The SN74HCT245DWR is an integrated circuit from Texas Instruments, commonly used as an octal bus transceiver. It is designed to enable bidirectional data communication between data buses, making it particularly useful in digital systems that require data exchange between different sections. The device features 3-state outputs, allowing it to either drive the bus with active data or present a high-impedance state, effectively disconnecting it from the bus. This functionality is controlled via a direction pin (DIR) and an output enable pin (OE).
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

The SN74HCT245DWR is an octal bus transceiver with 3-state outputs. Equivalent products include:
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

The SN74HCT245DWR is an octal bus transceiver IC designed for asynchronous two-way communication between data buses. Key features include:
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 SN74HCT245DWR is a 20-pin IC from Texas Instruments. It is an octal bus transceiver with 3-state outputs, designed for asynchronous two-way communication between data buses. This device operates with a supply voltage range of 4.5V to 5.5V and supports TTL logic levels.
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

The SN74HCT245DWR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and manufactures a wide variety of analog and embedded processing chips. These products are used in electronics across many industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is known for its innovation in developing integrated circuits and microprocessors, making it a leader in the semiconductor industry.

Application

The SN74HCT245DWR is an octal bus transceiver designed for asynchronous communication between data buses. Its application areas include:
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.

Package

The SN74HCT245DWR is packaged in a 20-pin SOIC (Small Outline Integrated Circuit) package with the designation "DWR." This package type is suitable for surface-mount technology, offering a compact and efficient design for electronic circuits.

Produits liés à SN74HCT245DWR