Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tube |
| Series | 4000B |
| Part Status | Active |
| Type | Decoder/Demultiplexer |
| Circuit | 1 x 4:16 |
| Independent Circuits | 1 |
| Current - Output High Low | 6.8mA, 6.8mA |
| Voltage Supply Source | Dual Supply |
| Voltage - Supply | 3V ~ 18V |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
Tổng quan
Description
The CD4514BM is a CMOS, 4-to-16 line decoder/demultiplexer with latched inputs. It's part of the CD4000 series logic family, known for low power consumption and high noise immunity. This IC is designed to take four binary weighted address inputs (A, B, C, D) and decode them into one of 16 unique outputs. It includes a latch that can store the input data, allowing the output to remain stable regardless of changes in the input until the latch is updated.
Key features include:
- Low power consumption thanks to CMOS technology.
- High noise immunity.
- Wide supply voltage range (typically from 3V to 15V).
- Can be used as a memory address decoder or for data routing in communication systems.
Applications include digital data distribution, data routing, and as a peripheral device controller in microprocessor-based systems. With its robust characteristics, the CD4514BM is suitable for a variety of digital applications where decoding or demultiplexing is needed.
Key features include:
- Low power consumption thanks to CMOS technology.
- High noise immunity.
- Wide supply voltage range (typically from 3V to 15V).
- Can be used as a memory address decoder or for data routing in communication systems.
Applications include digital data distribution, data routing, and as a peripheral device controller in microprocessor-based systems. With its robust characteristics, the CD4514BM is suitable for a variety of digital applications where decoding or demultiplexing is needed.
Equivalent
The CD4514BM is a BCD to 4-line decoder with latch capabilities. Equivalent products include the CD4514B (in different packaging, like DIP), MC14514B from ON Semiconductor, and HEF4514B from NXP. These chips generally offer similar functionality in terms of decoding and latching capabilities. Always check the datasheet for pin compatibility and electrical specifications before substituting.
Features
The CD4514BM is a CMOS 4-to-16 line decoder/demultiplexer with several notable features:
1. High-Speed Operation: It operates efficiently at various frequencies, making it suitable for high-speed applications.
2. Low Power Consumption: As a CMOS device, it offers low power dissipation.
3. Wide Supply Voltage Range: The device supports a voltage range typically from 3V to 15V, providing flexibility for different applications.
4. Logic Compatibility: It is compatible with standard CMOS and TTL logic levels.
5. Latch Enable Capability: The CD4514BM includes a latch enable feature that allows the input data to be stored.
6. Output Enable Control: The outputs can be controlled via an enable input, offering versatility in signal routing.
7. 16 Output Lines: The decoder can drive up to 16 output lines, making it suitable for applications requiring multiple output controls.
8. High Noise Immunity: The device is designed to have high noise immunity, enhancing reliability in noisy environments.
These features make the CD4514BM suitable for a variety of digital applications, including data routing and signal demultiplexing.
1. High-Speed Operation: It operates efficiently at various frequencies, making it suitable for high-speed applications.
2. Low Power Consumption: As a CMOS device, it offers low power dissipation.
3. Wide Supply Voltage Range: The device supports a voltage range typically from 3V to 15V, providing flexibility for different applications.
4. Logic Compatibility: It is compatible with standard CMOS and TTL logic levels.
5. Latch Enable Capability: The CD4514BM includes a latch enable feature that allows the input data to be stored.
6. Output Enable Control: The outputs can be controlled via an enable input, offering versatility in signal routing.
7. 16 Output Lines: The decoder can drive up to 16 output lines, making it suitable for applications requiring multiple output controls.
8. High Noise Immunity: The device is designed to have high noise immunity, enhancing reliability in noisy environments.
These features make the CD4514BM suitable for a variety of digital applications, including data routing and signal demultiplexing.
Pinout
The CD4514BM is a 4-to-16 line decoder/demultiplexer with a latch. It features a 24-pin configuration. The main functions of the CD4514BM include:
1. Inputs:
- Four address inputs (A, B, C, D) to select one of the 16 outputs.
- An enable input (E) to control the operation of the device.
- A latch enable input (LE) to latch the address inputs.
2. Outputs:
- Sixteen outputs (Q0 to Q15) that correspond to the selected address input.
3. Additional Features:
- An inhibit input to disable all outputs regardless of the address inputs.
- Active high output configuration.
The device is commonly used for applications requiring decoding of binary signals into one of multiple output lines and is often employed in digital systems for tasks such as data routing and memory address decoding.
1. Inputs:
- Four address inputs (A, B, C, D) to select one of the 16 outputs.
- An enable input (E) to control the operation of the device.
- A latch enable input (LE) to latch the address inputs.
2. Outputs:
- Sixteen outputs (Q0 to Q15) that correspond to the selected address input.
3. Additional Features:
- An inhibit input to disable all outputs regardless of the address inputs.
- Active high output configuration.
The device is commonly used for applications requiring decoding of binary signals into one of multiple output lines and is often employed in digital systems for tasks such as data routing and memory address decoding.
Manufacturer
The CD4514BM is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company known for designing and manufacturing semiconductors and various integrated circuits, which are used in electronics across diverse industries. TI specializes in analog chips and embedded processors, which are essential components in a wide range of electronic devices, from consumer electronics and automotive systems to industrial applications. The company is recognized for its innovation and contribution to the advancement of electronic technology.
Application
The CD4514BM is a CMOS decoder/demultiplexer used in various digital applications. Key application areas include:
1. Data Routing: It can direct data from a single input line to one of many output lines, useful in digital communication systems.
2. Display Drivers: Often used for driving LED displays and seven-segment displays by selecting specific segments to illuminate.
3. Memory Address Decoding: Helps in selecting memory addresses in microprocessor systems.
4. Control Logic: Used in control systems for selecting different operational modes or processes.
5. Signal Demultiplexing: Effective in separating multiplexed signals into individual outputs.
These areas leverage the CD4514BM’s ability to handle multiple outputs and its compatibility with various digital logic circuits.
1. Data Routing: It can direct data from a single input line to one of many output lines, useful in digital communication systems.
2. Display Drivers: Often used for driving LED displays and seven-segment displays by selecting specific segments to illuminate.
3. Memory Address Decoding: Helps in selecting memory addresses in microprocessor systems.
4. Control Logic: Used in control systems for selecting different operational modes or processes.
5. Signal Demultiplexing: Effective in separating multiplexed signals into individual outputs.
These areas leverage the CD4514BM’s ability to handle multiple outputs and its compatibility with various digital logic circuits.
Package
The CD4514BM is a 4-to-16 line decoder/demultiplexer IC available in a 24-lead SOIC (Small Outline Integrated Circuit) package.
