SN74LS08DBR

Product Overview

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

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 9ns (typical)
• Power Dissipation: 22mW (typical)

Detailed Pin Configuration

The SN74LS08DBR has a total of 14 pins arranged as follows:

``` __ __ 1 | __/ | 14 2 | | 13 3 | | 12 4 | | 11 5 | | 10 6 | | 9 7 | | 8

---

```

Functional Features

• Quad 2-input AND gate with open-collector outputs
• High-speed operation for efficient logic processing
• Low power consumption for energy efficiency
• Schottky TTL technology ensures reliable performance

Advantages and Disadvantages

Advantages: - Fast propagation delay time enables quick response in logic circuits - Low power dissipation reduces energy consumption - Open-collector outputs allow easy interfacing with other devices

Disadvantages: - Limited number of inputs (only two per gate) - Requires external pull-up resistors for proper output voltage levels

Working Principles

The SN74LS08DBR is a quad 2-input AND gate that performs logical AND operations on two input signals. It utilizes Schottky TTL technology, which combines the advantages of high-speed operation and low power consumption. The open-collector outputs provide flexibility in connecting to other devices.

When both inputs are high (logic level 1), the output is pulled low (logic level 0). In all other cases, the output remains high (logic level 1). This behavior allows the gate to perform logical AND operations, where the output is only high when both inputs are high.

Detailed Application Field Plans

The SN74LS08DBR can be used in various applications that require logical AND operations. Some common application fields include:

1. Digital Electronics: The gate can be used to combine multiple signals and generate complex logic functions.
2. Microcontrollers: It can be employed to interface with sensors and other peripheral devices.
3. Communication Systems: The gate can be utilized for signal conditioning and data processing in communication circuits.
4. Industrial Automation: It finds applications in control systems and PLCs for logical decision-making.

Detailed and Complete Alternative Models

• SN74LS08N: DIP-14 package, similar specifications
• SN74HC08: CMOS technology, higher speed, wider voltage range
• SN74HCT08: CMOS technology, compatible with TTL inputs, lower power consumption

These alternative models offer similar functionality but may differ in package type, technology, or specific characteristics.