Encyclopedia Entry: 74ACT11240DW

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Buffer/Driver
• Characteristics: High-speed, low-power, non-inverting, 3-state output
• Package: Dual in-line package (DIP)
• Essence: Buffering and driving signals in digital circuits
• Packaging/Quantity: Available in reels or tubes, quantity varies based on supplier

Specifications

• Logic Family: ACT
• Number of Channels: 12
• Input Voltage: 2.0V to 5.5V
• Output Voltage: 0V to VCC
• Propagation Delay: 4.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACT11240DW IC has a dual in-line package with a total of 20 pins. The pin configuration is as follows:

--------------------------------- | | OE1 | 1 20 | VCC A1 | 2 19 | B1 Y1 | 3 18 | A2 A2 | 4 17 | B2 Y2 | 5 16 | A3 A3 | 6 15 | B3 Y3 | 7 14 | A4 A4 | 8 13 | B4 Y4 | 9 12 | A5 GND | 10 11 | B5 | | ---------------------------------

Functional Features

• Non-inverting buffer/driver with 3-state outputs
• High-speed operation suitable for use in fast digital systems
• Low power consumption, making it energy-efficient
• Wide operating voltage range allows compatibility with various logic families
• 3-state outputs enable multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed operation enhances overall system performance - Low power consumption reduces energy usage - Wide operating voltage range provides flexibility in circuit design - 3-state outputs allow for efficient bus sharing in multi-device systems

Disadvantages: - Limited number of channels (12 in this case) - Requires careful consideration of input and output voltage levels to ensure proper functionality

Working Principles

The 74ACT11240DW is a non-inverting buffer/driver IC that amplifies and drives digital signals within a circuit. It operates by receiving input signals through the A1-A5 pins and providing amplified output signals through the Y1-Y4 pins. The OE1 pin controls the output state, allowing the device to be enabled or disabled.

When the OE1 pin is high, the outputs (Y1-Y4) are active and reflect the input signals. Conversely, when the OE1 pin is low, the outputs are in a high-impedance state, effectively disconnecting them from the circuit. This 3-state output feature enables multiple devices to share a common bus without interfering with each other.

Detailed Application Field Plans

The 74ACT11240DW IC finds applications in various digital systems where buffering and driving of signals are required. Some potential application fields include:

1. Microprocessors and microcontrollers
2. Memory systems (RAM, ROM, Flash)
3. Data communication systems (Ethernet, USB)
4. Industrial automation and control systems
5. Automotive electronics
6. Consumer electronics (TVs, smartphones, gaming consoles)

Detailed and Complete Alternative Models

1. 74ACT11240N: Similar to 74ACT11240DW, but in a different package (PDIP)
2. 74ACT11240D: Similar to 74ACT11240DW, but with different operating temperature range (-40°C to +125°C)
3. 74ACT11240M: Similar to 74ACT11240DW, but in a surface-mount package (SOIC)

These alternative models offer similar functionality and characteristics, but may differ in package type, operating temperature range, or pin configuration.

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