CD4514BM

Product Overview

Category

CD4514BM belongs to the category of integrated circuits (ICs).

Use

CD4514BM is commonly used as a decoder/demultiplexer IC.

Characteristics

• CD4514BM is a 4-to-16 line decoder with latch functionality.
• It operates on a wide voltage range, typically from 3V to 18V.
• The IC has a high noise immunity and can handle both TTL and CMOS logic levels.
• It is designed to be compatible with most microcontrollers and digital systems.

Package

CD4514BM is available in a 24-pin package.

Essence

The essence of CD4514BM lies in its ability to decode a 4-bit binary input into one of the 16 output lines.

Packaging/Quantity

CD4514BM is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage: 3V to 18V
• Input Voltage: 0V to VDD
• Output Voltage: 0V to VDD
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 2MHz

Detailed Pin Configuration

1. VSS - Ground
2. A0 - Binary Input Bit 0
3. A1 - Binary Input Bit 1
4. A2 - Binary Input Bit 2
5. A3 - Binary Input Bit 3
6. E - Enable Input
7. D0 - Output Line 0
8. D1 - Output Line 1
9. D2 - Output Line 2
10. D3 - Output Line 3
11. D4 - Output Line 4
12. D5 - Output Line 5
13. D6 - Output Line 6
14. D7 - Output Line 7
15. D8 - Output Line 8
16. D9 - Output Line 9
17. D10 - Output Line 10
18. D11 - Output Line 11
19. D12 - Output Line 12
20. D13 - Output Line 13
21. D14 - Output Line 14
22. D15 - Output Line 15
23. VDD - Supply Voltage
24. NC - No Connection

Functional Features

• CD4514BM can be used as a decoder or demultiplexer depending on the application.
• It has an enable input (E) which allows the user to control the output lines.
• The latch functionality enables the outputs to remain stable even when the inputs change.

Advantages and Disadvantages

Advantages

• Wide operating voltage range makes it compatible with various systems.
• High noise immunity ensures reliable operation in noisy environments.
• Latch functionality provides stability to the output lines.

Disadvantages

• Limited number of output lines (16) compared to other decoder ICs.
• Relatively slower clock frequency compared to some alternatives.

Working Principles

CD4514BM works by decoding the binary input into one of the 16 output lines based on the combination of the input bits. The enable input (E) controls whether the outputs are active or not. When E is high, the outputs are enabled, and when E is low, the outputs are disabled. The latch functionality ensures that the outputs remain stable even if the input changes.

Detailed Application Field Plans

CD4514BM finds applications in various fields including: 1. Address decoding in microcontrollers and digital systems. 2. Multiplexing and demultiplexing data signals. 3. LED matrix control. 4. Keypad scanning. 5. Memory selection in RAM or ROM.

Detailed and Complete Alternative Models

Some alternative models to CD4514BM include: 1. CD74HC154E - 4-to-16 line decoder/demultiplexer with latch. 2. SN74LS154N - 4-to-16 line decoder/demultiplexer without latch. 3. CD4028BE - BCD-to-decimal decoder. 4. CD4511BE - BCD-to-7 segment decoder/driver.

These alternatives offer similar functionality but may have different specifications, pin configurations, or package types.

Word count: 529 words