Encyclopedia Entry: 74AC11244DWR

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, non-inverting, 3-state output
• Package: SOIC-20 Wide (Small Outline Integrated Circuit)
• Essence: This IC is designed to provide buffering and line driving capabilities in digital circuits.
• Packaging/Quantity: The 74AC11244DWR is typically sold in reels of 2500 units.

Specifications

• Logic Family: AC
• Number of Buffers/Drivers: 12
• Input Voltage Range: 2V to 6V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 5.5 ns (typical)
• Output Current: ±24 mA
• Supply Voltage: 2V to 6V

Detailed Pin Configuration

The 74AC11244DWR has a total of 20 pins arranged as follows:

┌───┬───┐ A1 -|1 └─ 20|- VCC B1 -|2 19|- OE# A2 -|3 18|- Y1 B2 -|4 17|- A1 A3 -|5 16|- B1 B3 -|6 15|- A2 A4 -|7 14|- B2 B4 -|8 13|- A3 GND-|9 12|- B3 Y4 -|10 11|- A4 └───────┘

Functional Features

• Non-inverting buffer/line driver with 3-state outputs.
• High-speed operation suitable for use in digital circuits.
• Low power consumption, making it energy-efficient.
• 3-state outputs allow multiple devices to share a common bus.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Low power consumption helps reduce overall system energy usage. - 3-state outputs facilitate bus sharing among multiple devices.

Disadvantages: - Limited output current may not be suitable for driving heavy loads. - Restricted voltage range (2V to 6V) may limit compatibility with certain systems.

Working Principles

The 74AC11244DWR operates as a non-inverting buffer/line driver. It takes input signals from the A1-A4 pins and provides amplified, non-inverted outputs on the Y1-Y4 pins. The OE# pin controls the output enable/disable function, allowing the device to enter a high-impedance state when disabled.

Detailed Application Field Plans

The 74AC11244DWR is commonly used in various digital applications, including:

1. Data communication systems
2. Memory modules
3. Microprocessor-based systems
4. Industrial control systems
5. Networking equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the 74AC11244DWR are:

1. 74HC11244: Similar functionality but operates at a different logic family (HC).
2. SN74LV244A: Low-voltage version with similar features.
3. CD74ACT244: Another AC family buffer/line driver option.

These alternative models offer similar functionalities and can be used as replacements depending on specific requirements.

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