SN74ACT245DWR
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Texas Instruments SN74ACT245DWR

Manufacturer No:
SN74ACT245DWR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC TXRX NON-INVERT 5.5V 20SOIC
Delivery:
Payment:
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Product Introduction

Overview

The SN74ACT245DWR is an octal bus transceiver with 3-state outputs, designed and manufactured by Texas Instruments. This component is optimized for asynchronous two-way communication between data buses, making it highly versatile in various electronic systems. The device operates within a VCC range of 4.5V to 5.5V and is compatible with TTL voltage levels, ensuring seamless integration into a wide range of applications. The control-function implementation minimizes external timing requirements, enhancing the efficiency and reliability of the communication process.

Key Specifications

Parameter Min Typ Max Unit
VCC Supply Voltage 4.5 5.5 V
VIH High-Level Input Voltage 2 2 V
VIL Low-Level Input Voltage 0.8 0.8 V
IOH High-Level Output Current -24 mA
IOL Low-Level Output Current 24 24 mA
tPLH Propagation Delay Time (A to B) 1 4 7.5 ns
tPHL Propagation Delay Time (B to A) 1 4 8 ns
TA Operating Free-Air Temperature -40 85 °C
RθJA Junction-to-Ambient Thermal Resistance 98.6 °C/W

Key Features

  • Operates within a VCC range of 4.5V to 5.5V, making it suitable for various voltage environments.
  • Inputs accept voltages up to 5.5V and are TTL-voltage compatible.
  • Maximum propagation delay time (tpd) of 8ns at 5V, ensuring high-speed data transfer.
  • 3-state outputs to control data flow and minimize external timing requirements.
  • Low drive and slow edge rates to minimize output ringing, overshoot, and undershoot.
  • Available in multiple package types, including SOIC (DW), SSOP (DB), TSSOP (PW), and VQFN (RKS), among others.

Applications

  • Professional Audio Systems: For reliable and high-speed data communication in audio equipment.
  • Video and Signage: Used in video processing and display systems where data integrity is crucial.
  • Appliances: Integrated into various household and industrial appliances for efficient data transfer.
  • Factory Automation and Control: Utilized in industrial control systems for reliable communication between different modules.

Q & A

  1. What is the operating voltage range of the SN74ACT245DWR? The operating voltage range is from 4.5V to 5.5V.
  2. What is the maximum propagation delay time at 5V? The maximum propagation delay time at 5V is 8ns.
  3. What are the input voltage compatibility and range? The inputs accept voltages up to 5.5V and are TTL-voltage compatible.
  4. How does the output enable (OE) function work? When OE is low, the device passes noninverted data between the A and B buses. When OE is high, the device is in isolation mode.
  5. What are the key applications of the SN74ACT245DWR? It is used in professional audio, video and signage, appliances, and factory automation and control systems.
  6. What package types are available for the SN74ACT245DWR? It is available in SOIC (DW), SSOP (DB), TSSOP (PW), VQFN (RKS), and other package types.
  7. How does the direction-control (DIR) input work? The DIR input determines the direction of data flow between the A and B buses.
  8. What is the thermal resistance (RθJA) for the SOIC package? The thermal resistance (RθJA) for the SOIC package is 98.6°C/W.
  9. What is the recommended operating temperature range? The recommended operating temperature range is from -40°C to 85°C.
  10. How can output ringing be minimized in the SN74ACT245DWR? The low drive and slow edge rates of the device help minimize output ringing, overshoot, and undershoot.

Product Attributes

Logic Type:Transceiver, Non-Inverting
Number of Elements:1
Number of Bits per Element:8
Input Type:- 
Output Type:3-State
Current - Output High, Low:24mA, 24mA
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
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Similar Products

Part Number SN74ACT245DWR SN74ACT245PWR SN74AC245DWR SN74ACT240DWR SN74ACT241DWR SN74ACT244DWR SN74ACT245DBR SN74ACT245DW
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active Active Active
Logic Type Transceiver, Non-Inverting Transceiver, Non-Inverting Transceiver, Non-Inverting Buffer, Inverting Buffer, Non-Inverting Buffer, Non-Inverting Transceiver, Non-Inverting Transceiver, Non-Inverting
Number of Elements 1 1 1 2 2 2 1 1
Number of Bits per Element 8 8 8 4 4 4 8 8
Input Type - - - - - - - -
Output Type 3-State 3-State 3-State 3-State 3-State 3-State 3-State 3-State
Current - Output High, Low 24mA, 24mA 24mA, 24mA 24mA, 24mA 24mA, 24mA 24mA, 24mA 24mA, 24mA 24mA, 24mA 24mA, 24mA
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 2V ~ 6V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width) 20-TSSOP (0.173", 4.40mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SSOP (0.209", 5.30mm Width) 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC 20-TSSOP 20-SOIC 20-SOIC 20-SOIC 20-SOIC 20-SSOP 20-SOIC

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