MM74C154N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Decoder/Demultiplexer
• Characteristics: TTL Logic, 4-Line to 16-Line Decoder/Demultiplexer
• Package: DIP (Dual In-line Package)
• Essence: Converts a 4-line input into a 16-line output
• Packaging/Quantity: Available in tubes of 25 or reels of 1000

Specifications

• Supply Voltage: 5V
• Input Voltage: 0V to Vcc
• Output Voltage: 0V to Vcc
• Operating Temperature: -40°C to +85°C
• Propagation Delay Time: 30ns (typical)
• Power Dissipation: 500mW (max)

Pin Configuration

The MM74C154N has a total of 24 pins. The pin configuration is as follows:

1. GND (Ground)
2. A0 (Address Input 0)
3. A1 (Address Input 1)
4. A2 (Address Input 2)
5. A3 (Address Input 3)
6. E1 (Enable Input 1)
7. E2 (Enable Input 2)
8. Y0 (Output 0)
9. Y1 (Output 1)
10. Y2 (Output 2)
11. Y3 (Output 3)
12. Y4 (Output 4)
13. Y5 (Output 5)
14. Y6 (Output 6)
15. Y7 (Output 7)
16. Y8 (Output 8)
17. Y9 (Output 9)
18. Y10 (Output 10)
19. Y11 (Output 11)
20. Y12 (Output 12)
21. Y13 (Output 13)
22. Y14 (Output 14)
23. Y15 (Output 15)
24. Vcc (Supply Voltage)

Functional Features

• Converts a 4-line binary input into a 16-line output
• Enables easy selection of one output line from multiple inputs
• TTL logic ensures compatibility with other TTL devices
• Low power consumption
• Fast propagation delay time for efficient operation

Advantages and Disadvantages

Advantages: - Compact design saves space on circuit boards - Versatile functionality for various applications - Easy to use and integrate into existing systems - Reliable performance with TTL logic

Disadvantages: - Limited to 4-line input decoding - May require additional components for complex applications - Not suitable for high-speed applications

Working Principles

The MM74C154N is a decoder/demultiplexer IC that converts a 4-line binary input into a 16-line output. It utilizes TTL logic to perform the decoding operation. The address inputs (A0-A3) determine which output line is selected, while the enable inputs (E1 and E2) control the overall operation.

When the enable inputs are active (low), the decoder/demultiplexer is enabled, and the selected output line reflects the binary value applied to the address inputs. The remaining output lines remain in a high impedance state.

Detailed Application Field Plans

The MM74C154N can be used in various applications, including:

1. Address decoding in microcontrollers and microprocessors
2. Data routing and selection in digital systems
3. Memory addressing in RAM and ROM modules
4. Signal routing in communication systems
5. Multiplexing and demultiplexing operations in data transmission

Alternative Models

Here are some alternative models that provide similar functionality:

1. SN74LS154N
2. CD74HC154E
3. 74HC154D
4. MC74HC154N

These models offer comparable features and can be used as alternatives to the MM74C154N in different applications.

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