CD74HCT240PW

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate Buffer/Driver
• Characteristics: High-Speed, CMOS Technology
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Buffer/Driver for digital signals
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 14 ns (typical)
• Output Current: ±4 mA
• Input Capacitance: 3.5 pF (typical)

Detailed Pin Configuration

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. GND (Ground)
9. Y3 (Output Y3)
10. B3 (Input B3)
11. A3 (Input A3)
12. OE (Output Enable)
13. GND (Ground)
14. Y4 (Output Y4)
15. B4 (Input B4)
16. A4 (Input A4)
17. VCC (Supply Voltage)
18. GND (Ground)
19. NC (No Connection)
20. GND (Ground)

Functional Features

• Buffer/Driver for digital signals
• Non-Inverting logic gate
• High-Speed operation
• Compatible with TTL (Transistor-Transistor Logic) inputs
• Schmitt-trigger action on all inputs

Advantages

• High-Speed operation allows for quick signal processing
• CMOS technology provides low power consumption
• Schmitt-trigger action ensures noise immunity and signal integrity
• Wide supply voltage range allows for versatile applications
• Compact TSSOP package saves board space

Disadvantages

• Limited output current may restrict use in certain applications
• Propagation delay time may affect timing-sensitive circuits
• Not suitable for high-voltage applications (limited to 6V)

Working Principles

The CD74HCT240PW is a buffer/driver IC that amplifies and shapes digital signals. It operates using CMOS technology, which ensures low power consumption. The inputs are compatible with TTL logic levels, making it versatile for various applications. The Schmitt-trigger action on all inputs provides noise immunity and helps maintain signal integrity.

Detailed Application Field Plans

1. Digital signal buffering in microcontrollers and microprocessors
2. Signal level shifting in communication interfaces (e.g., UART, SPI)
3. Driving LED displays and segment drivers
4. Buffering clock signals in digital systems
5. Level translation between different logic families

Detailed and Complete Alternative Models

1. SN74HCT240N by Texas Instruments
2. MC74HCT240AN by ON Semiconductor
3. 74HCT240 by NXP Semiconductors
4. CD74HC240E by Texas Instruments
5. TC74HCT240AF by Toshiba

Note: These alternative models have similar functionality and specifications to the CD74HCT240PW and can be used as replacements depending on availability and specific requirements.

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