DM74AS373N

Overview

Category: Integrated Circuit (IC)

Use: Data storage and transfer

Characteristics: - High-speed operation - Wide operating voltage range - Low power consumption - Durable and reliable

Package: Dual in-line package (DIP)

Essence: The DM74AS373N is an octal transparent latch designed for general-purpose storage applications.

Packaging/Quantity: The DM74AS373N is typically sold in packs of 25 units.

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -55°C to +125°C
• Output Current: ±24mA
• Propagation Delay Time: 10ns (max)
• Power Dissipation: 500mW (max)

Pin Configuration

The DM74AS373N has a total of 20 pins, which are assigned as follows:

1. D0 (Data input 0)
2. D1 (Data input 1)
3. D2 (Data input 2)
4. D3 (Data input 3)
5. D4 (Data input 4)
6. D5 (Data input 5)
7. D6 (Data input 6)
8. D7 (Data input 7)
9. GND (Ground)
10. Q0 (Output 0)
11. Q1 (Output 1)
12. Q2 (Output 2)
13. Q3 (Output 3)
14. Q4 (Output 4)
15. Q5 (Output 5)
16. Q6 (Output 6)
17. Q7 (Output 7)
18. OE (Output Enable)
19. LE (Latch Enable)
20. VCC (Supply voltage)

Functional Features

The DM74AS373N is a latch that can store and transfer data. It has eight data inputs (D0-D7) and eight corresponding outputs (Q0-Q7). The latch is transparent when the latch enable (LE) input is high, allowing the data inputs to pass through to the outputs. When the latch enable is low, the outputs are latched and hold their previous state.

The output enable (OE) input controls whether the outputs are active or in a high-impedance state. When OE is high, the outputs are active and reflect the current state of the latch. When OE is low, the outputs are in a high-impedance state, effectively disconnecting them from the rest of the circuit.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - Wide operating voltage range provides flexibility in different applications - Low power consumption helps conserve energy - Durable and reliable construction ensures long-term performance

Disadvantages: - Limited number of data inputs and outputs (8 each) - May require additional components for more complex storage and transfer operations

Working Principles

The DM74AS373N operates based on the principles of digital logic. When the latch enable (LE) input is high, the latch is transparent, allowing the data inputs to pass through to the outputs. This enables real-time data transfer. When the latch enable is low, the outputs are latched and hold their previous state, providing stable storage of data.

The output enable (OE) input controls the activation of the outputs. When OE is high, the outputs are active and reflect the current state of the latch. When OE is low, the outputs are in a high-impedance state, effectively disconnecting them from the rest of the circuit.

Detailed Application Field Plans

The DM74AS373N can be used in various applications that require data storage and transfer, such as: - Microprocessor-based systems - Data communication equipment - Industrial control systems - Instrumentation devices - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the DM74AS373N include: - SN74LS373N - CD74HC373E - MC74HC373AN - 74F373PC

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the DM74AS373N is a versatile octal transparent latch that provides efficient data storage and transfer capabilities. Its high-speed operation, wide operating voltage range, and low power consumption make it suitable for various applications. However, its limited number of inputs and outputs may require additional components for more complex operations.