MM74C902N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Gate
• Characteristics: High-speed, low-power consumption
• Package: DIP (Dual In-line Package)
• Essence: Logic gate with multiple inputs and outputs
• Packaging/Quantity: Available in tubes of 25 units

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to Vcc
• Operating Temperature: -55°C to +125°C
• Propagation Delay: 10ns (typical)
• Output Current: ±8mA (max)

Detailed Pin Configuration

The MM74C902N has a total of 16 pins, which are assigned as follows:

1. A1: Input A1
2. A2: Input A2
3. A3: Input A3
4. A4: Input A4
5. B1: Input B1
6. B2: Input B2
7. B3: Input B3
8. B4: Input B4
9. C1: Output C1
10. C2: Output C2
11. C3: Output C3
12. C4: Output C4
13. GND: Ground
14. Vcc: Power Supply
15. NC: No Connection
16. NC: No Connection

Functional Features

• The MM74C902N is a quad 2-input NOR gate.
• It operates at high speeds, making it suitable for time-critical applications.
• The IC has low power consumption, making it energy-efficient.
• It provides four independent NOR gates in a single package.

Advantages and Disadvantages

Advantages

• Compact design with multiple gates in a single package.
• High-speed operation allows for efficient processing.
• Low power consumption reduces energy usage.

Disadvantages

• Limited number of inputs and outputs per gate.
• Not suitable for applications requiring complex logic operations.

Working Principles

The MM74C902N is based on the NOR gate logic. It performs the logical NOR operation on its inputs and provides the corresponding output. The gate operates by comparing the logical states of its inputs and producing a low output only when all inputs are high. Otherwise, it produces a high output.

Detailed Application Field Plans

The MM74C902N can be used in various digital logic applications, including:

1. Data processing systems
2. Arithmetic circuits
3. Control units
4. Memory address decoding
5. Clock synchronization circuits

Detailed and Complete Alternative Models

1. SN74LS02: Quad 2-input NOR gate by Texas Instruments
2. CD4001: Quad 2-input NOR gate by Texas Instruments
3. MC14093B: Quad 2-input NOR gate by ON Semiconductor
4. HCF4001: Quad 2-input NOR gate by STMicroelectronics
5. HEF4001B: Quad 2-input NOR gate by NXP Semiconductors

These alternative models offer similar functionality to the MM74C902N and can be used as replacements depending on availability and specific requirements.

In conclusion, the MM74C902N is a quad 2-input NOR gate IC that provides high-speed, low-power logic operations. Its compact design and multiple gates make it suitable for various digital logic applications. However, it has limitations in terms of the number of inputs and outputs per gate. Users can consider alternative models if necessary.