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DM74ALS38AM
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Logic Gate
- Characteristics: Advanced Schottky TTL, Quad 2-Input NAND Buffer
- Package: 14-Pin Small Outline Integrated Circuit (SOIC)
- Essence: High-speed logic gate for digital signal processing
- Packaging/Quantity: Available 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 +85°C
- Propagation Delay Time: 9ns (typical)
- Power Dissipation: 500mW (max)
Detailed Pin Configuration
The DM74ALS38AM has a total of 14 pins arranged as follows:
__ __
A1 | 1 14 | VCC
B1 | 2 13 | Y1
A2 | 3 12 | Y2
B2 | 4 11 | GND
Y4 | 5 10 | B2
Y3 | 6 9 | A2
GND | 7 8 | B1
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Functional Features
- Quad 2-input NAND buffer with open collector outputs
- High-speed operation suitable for digital signal processing
- Compatible with various TTL families
- Open collector outputs allow wired-OR connections
- Schottky-clamped inputs for improved noise immunity
Advantages and Disadvantages
Advantages: - High-speed operation enables efficient digital signal processing. - Compatibility with different TTL families allows easy integration into existing systems. - Open collector outputs provide flexibility for wired-OR connections. - Schottky-clamped inputs enhance noise immunity, ensuring reliable operation.
Disadvantages: - Limited supply voltage range (4.5V to 5.5V) may restrict certain applications. - Power dissipation of 500mW (max) may require additional cooling measures in high-power setups.
Working Principles
The DM74ALS38AM is a quad 2-input NAND buffer that operates on the principle of Boolean logic. It takes two input signals and produces an inverted output signal. The open collector outputs allow multiple devices to be connected together, forming logical OR functions. The Schottky-clamped inputs provide protection against noise and ensure accurate signal processing.
Detailed Application Field Plans
The DM74ALS38AM finds applications in various digital systems, including but not limited to: 1. Microprocessors and microcontrollers 2. Data communication systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the DM74ALS38AM include: 1. SN74ALS38N by Texas Instruments 2. MC74ALS38N by ON Semiconductor 3. CD74ALS38E by Texas Instruments 4. 74ALS38 by Fairchild Semiconductor 5. HD74ALS38P by Renesas Electronics
These alternatives offer similar functionality and can be used as replacements based on specific requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací DM74ALS38AM v technických řešeních
Sure! Here are 10 common questions and answers related to the application of DM74ALS38AM in technical solutions:
Q: What is DM74ALS38AM? A: DM74ALS38AM is a specific type of integrated circuit (IC) that belongs to the ALS (Advanced Low-Power Schottky) family. It is a quad 2-input NAND buffer with open collector outputs.
Q: What are the typical applications of DM74ALS38AM? A: DM74ALS38AM is commonly used in digital logic circuits, such as data multiplexing, signal conditioning, bus interfacing, and driving LED displays.
Q: What is the maximum supply voltage for DM74ALS38AM? A: The maximum supply voltage for DM74ALS38AM is typically 5.25 volts.
Q: Can DM74ALS38AM handle TTL (Transistor-Transistor Logic) input levels? A: Yes, DM74ALS38AM is compatible with TTL input levels, making it suitable for interfacing with other TTL devices.
Q: What is the output current capability of DM74ALS38AM? A: The output current capability of DM74ALS38AM is typically around 8 mA.
Q: Does DM74ALS38AM have internal pull-up resistors on its outputs? A: No, DM74ALS38AM does not have internal pull-up resistors on its outputs. External pull-up resistors may be required depending on the application.
Q: Is DM74ALS38AM capable of sinking current from its open collector outputs? A: Yes, DM74ALS38AM can sink current from its open collector outputs, allowing it to drive external loads or interface with other devices.
Q: What is the propagation delay of DM74ALS38AM? A: The propagation delay of DM74ALS38AM is typically around 10 ns.
Q: Can DM74ALS38AM operate in a wide temperature range? A: Yes, DM74ALS38AM is designed to operate in a wide temperature range, typically from -40°C to +85°C.
Q: Is DM74ALS38AM available in different package options? A: Yes, DM74ALS38AM is available in various package options, including DIP (Dual Inline Package) and SOIC (Small Outline Integrated Circuit).
Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for DM74ALS38AM.