M74HCT240B1R

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: High-Speed CMOS Octal Bus Buffer/Line Driver
• Package: 20-pin SOIC (Small Outline Integrated Circuit)
• Essence: The M74HCT240B1R is a high-speed CMOS octal bus buffer/line driver that is designed to be used in various digital logic applications.
• Packaging/Quantity: The M74HCT240B1R is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 10ns (max)
• Output Current: ±6mA
• Input Capacitance: 3pF (typ)
• Output Capacitance: 8pF (typ)

Detailed Pin Configuration

The M74HCT240B1R has a total of 20 pins, which are assigned specific functions as follows:

1. GND: Ground
2. A1: Input A1
3. B1: Input B1
4. Y1: Output Y1
5. A2: Input A2
6. B2: Input B2
7. Y2: Output Y2
8. A3: Input A3
9. B3: Input B3
10. Y3: Output Y3
11. A4: Input A4
12. B4: Input B4
13. Y4: Output Y4
14. GND: Ground
15. OE: Output Enable
16. Y5: Output Y5
17. A5: Input A5
18. B5: Input B5
19. Y6: Output Y6
20. VCC: Supply Voltage

Functional Features

• Octal buffer/line driver with 3-state outputs
• High-speed operation, suitable for various digital logic applications
• Compatible with TTL (Transistor-Transistor Logic) inputs
• Balanced propagation delays ensure glitch-free operation
• Low power consumption
• ESD (Electrostatic Discharge) protection up to 2kV

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Compatibility with TTL inputs makes it versatile in different systems - Balanced propagation delays prevent glitches and ensure reliable performance - Low power consumption helps conserve energy - ESD protection provides durability and reliability

Disadvantages: - Limited output current may restrict use in certain high-power applications - Requires proper handling and precautions against electrostatic discharge

Working Principles

The M74HCT240B1R is an octal bus buffer/line driver that operates as a logic gate. It takes input signals from the A1-A5 and B1-B5 pins and provides corresponding output signals on the Y1-Y6 pins. The OE (Output Enable) pin controls the output state, allowing the device to be enabled or disabled.

Detailed Application Field Plans

The M74HCT240B1R can be used in various digital logic applications, including but not limited to:

1. Data communication systems
2. Microprocessor-based systems
3. Memory address decoding
4. Bus interface buffering
5. Clock distribution networks
6. Control signal buffering

Detailed and Complete Alternative Models

1. SN74HCT240N: Octal Buffer/Line Driver, DIP-20 package
2. CD74HCT240E: High-Speed CMOS Octal Bus Buffer/Line Driver, PDIP-20 package
3. 74HCT240D: Octal Inverting Buffer/Line Driver, SOIC-20 package

These alternative models offer similar functionality and can be used as substitutes for the M74HCT240B1R in various applications.

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