SN74ALS38BDRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: Quad 2-input NAND Buffer
• Package: SOIC-14
• Essence: High-speed, low-power Schottky TTL logic gate
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 7ns (typical)
• High-Level Output Current: -0.4mA (max)
• Low-Level Output Current: 8mA (max)

Detailed Pin Configuration

1. A1 - Input A1
2. B1 - Input B1
3. Y1 - Output Y1
4. GND - Ground
5. A2 - Input A2
6. B2 - Input B2
7. Y2 - Output Y2
8. VCC - Power Supply
9. A3 - Input A3
10. B3 - Input B3
11. Y3 - Output Y3
12. A4 - Input A4
13. B4 - Input B4
14. Y4 - Output Y4

Functional Features

• Quad 2-input NAND buffer with open-drain outputs
• Compatible with TTL and CMOS logic levels
• High-speed operation with low power consumption
• Schmitt-trigger input for noise immunity
• Open-drain outputs allow wired-OR connections

Advantages

• Versatile logic gate suitable for various applications
• Wide supply voltage range allows compatibility with different systems
• Fast propagation delay time for efficient signal processing
• Low power consumption for energy-efficient designs
• Schmitt-trigger input ensures reliable operation in noisy environments

Disadvantages

• Limited number of inputs and outputs (4 each)
• Open-drain outputs may require additional pull-up resistors in certain applications
• Not suitable for high-frequency applications due to limited bandwidth

Working Principles

The SN74ALS38BDRE4 is a quad 2-input NAND buffer that operates on the principle of Boolean logic. It takes two input signals, A and B, and produces an inverted output signal, Y. The open-drain outputs allow multiple devices to be connected together, enabling wired-OR configurations. The Schmitt-trigger input provides hysteresis, ensuring stable operation even in the presence of noise.

Detailed Application Field Plans

The SN74ALS38BDRE4 can be used in various applications, including:

1. Data transmission systems
2. Digital signal processing
3. Microcontroller interfacing
4. Memory address decoding
5. Clock distribution networks

Detailed and Complete Alternative Models

1. SN74LS38 - Similar functionality with TTL logic levels
2. SN74HC38 - Compatible with CMOS logic levels, higher speed
3. SN74HCT38 - Compatible with both TTL and CMOS logic levels, lower power consumption
4. SN74ACT38 - Faster speed, lower power consumption, compatible with both TTL and CMOS logic levels

(Note: This list is not exhaustive and other alternative models may exist.)

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