CD4514BE

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CD4514BE

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IC DECODER/DEMUX 1X4:16 24DIP

  • HerstellerTexas Instruments

  • Herstellerteil #CD4514BE

  • Paket PDIP-24

  • Auf Lager1804

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Spezifikationen

Attribut Wert
Package / Case Tube
Series 4000B
Part Status Obsolete
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 Through Hole

Übersicht

Description

The CD4514BE is a CMOS 4-bit latch/decoder device designed for use in digital circuits. It functions as a 4-to-16 line decoder or demultiplexer, with a built-in latch for data storage. The device features four input lines (A, B, C, D) which can address one of sixteen outputs (Q0 to Q15), depending on the binary input combination.
The CD4514BE is equipped with a latch enable (LE) input that captures data on the input lines and holds it until the latch is disabled, allowing stable data output even when input conditions change. An enable (E) input controls whether the decoder is active; the outputs are disabled when it is low.
Notable for its low power consumption and high noise immunity, it operates over a wide voltage range (3V to 15V), making it versatile for various applications. The CD4514BE is commonly used in applications needing multiplexing, demultiplexing, or decoding, such as memory address decoding, data routing, and signal selection tasks in embedded systems and digital electronics.

Equivalent

The CD4514BE is a 4-to-16 line decoder/demultiplexer. Equivalent products include:
1. 74HC4514
2. HEF4514B
3. MC14514B
4. TC4514BP
These alternatives offer similar functionality and are generally compatible, though they may differ in operating voltage and speed. Always check the datasheet for specific electrical characteristics and pin configurations.

Features

The CD4514BE is a CMOS BCD to 4-bit latch/decoder/driver with four address inputs, a latch enable input, and a strobe input. It is primarily used for decoding BCD (Binary Coded Decimal) inputs into one of ten outputs, ideal for applications in display systems or digital data distribution.
Key features include:
1. BCD to Decimal Decoding: Converts BCD input to a single active output among 16.
2. Latch Functionality: Data can be stored using the latch, which is controlled by the latch enable input.
3. Strobe Input: Allows for enabling or disabling the outputs.
4. Wide Operating Voltage Range: Typically from 3V to 15V, making it suitable for a variety of power supply conditions.
5. Low Power Consumption: Due to CMOS technology.
6. High Noise Immunity: Provides reliable operation in noisy environments.
7. Output Drive Capability: Can directly drive LEDs and other loads.
These features make the CD4514BE suitable for applications like digital displays, multiplexing, and data routing in digital systems.

Pinout

The CD4514BE is a CMOS 4-to-16 line decoder/demultiplexer. It features a 24-pin dual in-line package (DIP). The primary function of the CD4514BE is to decode a 4-bit binary input into one of sixteen outputs, where only one output is active at any time.
Here is a brief overview of its pin configuration and functions:
- Pins 1-4 (A, B, C, D): These are the input pins for binary data.
- Pin 5 (INHIBIT): This pin disables all outputs when set high.
- Pin 6 (STROBE): This pin is used to latch data; outputs change state only when strobe is low.
- Pins 7-11 and 13-17: These are the output pins (O0 to O15) which correspond to the decoded input.
- Pin 12 (VSS): Ground.
- Pin 18 (VDD): Positive supply voltage.
- Pin 19 (LATCH ENABLE): This pin enables the latching of input data when high.
- Pins 20-24: Not used for decoding function, often marked NC (No Connection).
The device is typically used in digital circuits where binary to decimal decoding is required, such as in microprocessor systems.

Manufacturer

The CD4514BE is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments is known for designing and manufacturing a wide range of electronic components, including integrated circuits, microcontrollers, and other semiconductor products. The company serves various industries, such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its innovation and expertise in analog and embedded processing technologies.

Application

The CD4514BE is a 4-to-16 line decoder/demultiplexer commonly used in digital electronics for applications that require binary to one-of-many decoding. Key application areas include:
1. Data Routing: Directing data to one of several outputs.
2. Memory Address Decoding: Selecting specific memory addresses in microprocessor systems.
3. LED Display Control: Driving LED displays by selecting individual LEDs or segments.
4. Signal Demultiplexing: Splitting a data stream into multiple channels.
5. Code Conversion: Converting binary codes to one-hot codes.
6. Logic Circuit Design: Implementing complex logic functions by decoding inputs.
Its versatility makes it suitable for various digital systems requiring efficient channel selection or resource allocation.

Package

The CD4514BE is a digital IC with a DIP-24 (Dual In-line Package with 24 pins).

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