CD74ACT245SM96

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifting and Signal Conditioning
• Characteristics: High-Speed, Non-Inverting, Octal Bus Transceiver
• Package: Surface Mount, 20-pin SOIC (Small Outline Integrated Circuit)
• Essence: Transfers data between two bidirectional bus systems with different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: ACT
• Number of Channels: 8
• Input Voltage Range: 2V to 6V
• Output Voltage Range: 2V to 6V
• Maximum Operating Frequency: 125 MHz
• Propagation Delay Time: 5.5 ns
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. B1 (Data Input/Output) 1
4. GND (Ground)
5. B2 (Data Input/Output) 2
6. A2 (Data Input/Output) 2
7. VCC (Supply Voltage)
8. DIR (Direction Control)
9. B3 (Data Input/Output) 3
10. A3 (Data Input/Output) 3
11. B4 (Data Input/Output) 4
12. A4 (Data Input/Output) 4
13. B5 (Data Input/Output) 5
14. A5 (Data Input/Output) 5
15. B6 (Data Input/Output) 6
16. A6 (Data Input/Output) 6
17. B7 (Data Input/Output) 7
18. A7 (Data Input/Output) 7
19. B8 (Data Input/Output) 8
20. A8 (Data Input/Output) 8

Functional Features

• Bidirectional Data Transfer: Allows data to be transferred in both directions between two bus systems.
• Level Shifting: Converts voltage levels between the input and output sides, enabling compatibility between different voltage domains.
• Non-Inverting: The input signal is not inverted at the output.
• High-Speed Operation: Supports fast data transfer rates up to 125 MHz.

Advantages

• Versatile: Can be used in various applications requiring level shifting and signal conditioning.
• Wide Operating Voltage Range: Supports input and output voltages from 2V to 6V, providing flexibility in different system configurations.
• Compact Package: The surface mount SOIC package allows for easy integration into PCB designs.
• High-Speed Performance: Enables efficient data transfer in high-frequency applications.

Disadvantages

• Limited Channel Count: The CD74ACT245SM96 has 8 channels, which may not be sufficient for applications requiring a higher number of data lines.
• Temperature Sensitivity: The operating temperature range of -40°C to +85°C may limit its use in extreme temperature environments.

Working Principles

The CD74ACT245SM96 is an octal bus transceiver that operates by controlling the direction of data flow between two bidirectional bus systems. The DIR pin determines the direction of data transfer, while the OE pin enables or disables the outputs. When the DIR pin is set to transmit mode, data from the A-side inputs is transferred to the B-side outputs. In receive mode, data from the B-side inputs is transferred to the A-side outputs. The non-inverting nature of the transceiver ensures that the input signal is replicated at the output without inversion.

Detailed Application Field Plans

The CD74ACT245SM96 can be used in various applications that require level shifting and signal conditioning between different voltage domains. Some potential application fields include: - Microcontroller interfacing - Data communication systems - Industrial automation - Automotive electronics - Robotics

Detailed and Complete Alternative Models

1. SN74ACT245: Similar octal bus transceiver with 3-state outputs, offered by Texas Instruments.
2. MC74ACT245: Octal non-inverting bus transceiver, provided by ON Semiconductor.
3. 74ACT245: General-purpose octal bus transceiver available from multiple manufacturers.

These alternative models offer similar functionality to the CD74ACT245SM96 and can be considered as alternatives based on specific requirements and availability.

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