CD74ACT652EN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Level Shifter
• Characteristics: High-speed, Non-inverting, Octal Bus Transceiver
• Package: 24-pin DIP (Dual In-line Package)
• Essence: Transfers data between two bidirectional buses operating at different voltage levels
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 4.5V to 5.5V
• Logic Family: ACT (Advanced CMOS Technology)
• Number of Channels: 8
• Input/Output Compatibility: TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor)
• Propagation Delay: 6 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CD74ACT652EN has a total of 24 pins. The pin configuration is as follows:

1. A1
2. B1
3. Y1
4. GND (Ground)
5. B2
6. A2
7. Y2
8. VCC (Power Supply)
9. A3
10. B3
11. Y3
12. OE (Output Enable)
13. B4
14. A4
15. Y4
16. GND (Ground)
17. A5
18. B5
19. Y5
20. VCC (Power Supply)
21. B6
22. A6
23. Y6
24. OE (Output Enable)

Functional Features

• Bidirectional data transfer between two buses with different voltage levels
• Non-inverting logic translation
• High-speed operation suitable for applications requiring fast data transfer
• Output enable control for disabling the outputs when not in use
• TTL and CMOS compatible inputs and outputs

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer
• Non-inverting logic translation simplifies circuit design
• Wide supply voltage range ensures compatibility with various systems
• Output enable control provides flexibility in managing bus communication

Disadvantages

• Limited to 8 channels, may not be suitable for applications requiring a higher number of channels
• Propagation delay of 6 ns may introduce timing issues in certain high-speed applications

Working Principles

The CD74ACT652EN is designed to facilitate bidirectional data transfer between two buses operating at different voltage levels. It utilizes non-inverting logic translation, ensuring that the data remains unchanged during the transfer process. The device operates by enabling the appropriate output buffers based on the input signals and the state of the output enable control.

Detailed Application Field Plans

The CD74ACT652EN can be used in various applications where data needs to be transferred between buses operating at different voltage levels. Some potential application fields include:

1. Microcontroller interfacing with peripheral devices
2. Communication systems involving multiple voltage domains
3. Data acquisition systems with mixed signal levels
4. Industrial automation and control systems
5. Automotive electronics for signal level conversion

Detailed and Complete Alternative Models

1. SN74ACT652: Similar functionality and specifications, offered by Texas Instruments
2. MC74ACT652: Equivalent alternative from ON Semiconductor
3. 74ACT652: Generic version available from multiple manufacturers

These alternative models provide similar functionality and can be considered as replacements for the CD74ACT652EN based on specific requirements and availability.

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