SN74AC240PWRG4

Product Overview

• Category: Integrated Circuit
• Use: Logic Gate Buffer/Driver
• Characteristics: High-speed, low-power, octal buffer/driver with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Buffering and driving signals in digital circuits
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 5.8 ns (typical)
• Output Current: ±24 mA
• Input Capacitance: 3 pF (typical)

Detailed Pin Configuration

1. GND (Ground)
2. A1 (Input A1)
3. Y1 (Output Y1)
4. A2 (Input A2)
5. Y2 (Output Y2)
6. A3 (Input A3)
7. Y3 (Output Y3)
8. A4 (Input A4)
9. Y4 (Output Y4)
10. A5 (Input A5)
11. Y5 (Output Y5)
12. A6 (Input A6)
13. Y6 (Output Y6)
14. A7 (Input A7)
15. Y7 (Output Y7)
16. A8 (Input A8)
17. Y8 (Output Y8)
18. OE (Output Enable)
19. VCC (Supply Voltage)

Functional Features

• Octal buffer/driver with 3-state outputs
• Non-inverting outputs
• High-speed operation
• Low power consumption
• Schmitt-trigger inputs for noise immunity
• Output enable control for 3-state outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal buffering - Low power consumption helps in reducing overall power requirements - Schmitt-trigger inputs provide noise immunity, ensuring reliable operation - Output enable control allows for flexible output configuration

Disadvantages: - Limited supply voltage range (2 V to 6 V) - Relatively small input capacitance may limit its use in certain applications requiring higher capacitance

Working Principles

The SN74AC240PWRG4 is an octal buffer/driver integrated circuit that operates as a non-inverting buffer. It takes input signals from the A1 to A8 pins and provides buffered outputs on the Y1 to Y8 pins. The outputs can be enabled or disabled using the OE pin, which controls the 3-state outputs.

The inputs of the SN74AC240PWRG4 have Schmitt-trigger characteristics, allowing them to tolerate noisy input signals without affecting the output. This ensures reliable operation in environments with high electrical noise.

The IC operates at high speeds, making it suitable for applications where fast signal buffering is required. Additionally, it consumes low power, contributing to energy-efficient designs.

Detailed Application Field Plans

The SN74AC240PWRG4 is commonly used in various digital systems and applications, including:

1. Microprocessors and microcontrollers
2. Memory systems
3. Data communication systems
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

In these applications, the IC is utilized for buffering and driving signals between different components, ensuring proper signal integrity and reliable data transfer.

Detailed and Complete Alternative Models

1. SN74ACT240: Similar octal buffer/driver with 3-state outputs, but operates at a wider supply voltage range of 4.5 V to 5.5 V.
2. SN74HC240: Octal buffer/driver with 3-state outputs, compatible with CMOS and TTL logic levels, operates at a supply voltage range of 2 V to 6 V.
3. SN74LVC240A: Octal buffer/driver with 3-state outputs, operates at a lower supply voltage range of 1.65 V to 3.6 V, suitable for low-power applications.

These alternative models offer similar functionality to the SN74AC240PWRG4 but may have different characteristics or specifications that make them more suitable for specific design requirements.