CD40147BPW
Product Overview
Category
CD40147BPW belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used in electronic circuits for data encoding and decoding purposes.
Characteristics
- CD40147BPW is a 10-line to 4-line priority encoder.
- It operates on a supply voltage range of 3V to 18V.
- The device has a high noise immunity due to its CMOS technology.
- It offers low power consumption, making it suitable for battery-powered applications.
Package
CD40147BPW is available in a small outline package (SOIC) with a wide body.
Essence
The essence of CD40147BPW lies in its ability to encode 10 input lines into a 4-bit binary code based on their priority.
Packaging/Quantity
This IC is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.
Specifications
- Supply Voltage Range: 3V to 18V
- Input Voltage Range: 0V to VDD
- Operating Temperature Range: -55°C to +125°C
- Output Current: ±5mA
- Power Dissipation: 500mW
Detailed Pin Configuration
- A0 - Input Line 0
- A1 - Input Line 1
- A2 - Input Line 2
- A3 - Input Line 3
- A4 - Input Line 4
- A5 - Input Line 5
- A6 - Input Line 6
- A7 - Input Line 7
- A8 - Input Line 8
- A9 - Input Line 9
- GND - Ground
- EO - Enable Output
- E1 - Enable Input
- Y0 - Output Line 0
- Y1 - Output Line 1
- Y2 - Output Line 2
- Y3 - Output Line 3
- VDD - Supply Voltage
Functional Features
- CD40147BPW encodes the highest priority input line into a binary code.
- It provides an enable input (E1) and an enable output (EO) for controlling the encoding process.
- The device has four output lines (Y0 to Y3) representing the encoded binary code.
Advantages and Disadvantages
Advantages
- High noise immunity due to CMOS technology.
- Low power consumption, suitable for battery-powered applications.
- Compact package size for space-constrained designs.
Disadvantages
- Limited number of input lines (10).
- May require additional circuitry for complex encoding schemes.
Working Principles
CD40147BPW works on the principle of priority encoding. It assigns a priority to each input line based on its position. The highest priority line with a valid input is encoded into a 4-bit binary code. The enable input (E1) and enable output (EO) control the encoding process.
Detailed Application Field Plans
CD40147BPW finds applications in various fields, including: 1. Data communication systems 2. Industrial automation 3. Robotics 4. Security systems 5. Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that can be used as substitutes for CD40147BPW are: 1. CD74HC147E 2. SN74LS148N 3. MC14532BDR2G 4. HEF40147BT
These alternatives offer similar functionality and can be used interchangeably depending on the specific requirements of the application.
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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät CD40147BPW :n soveltamiseen teknisissä ratkaisuissa
Sure! Here are 10 common questions and answers related to the application of CD40147BPW in technical solutions:
Q: What is CD40147BPW? A: CD40147BPW is a BCD-to-Seven Segment Decoder/Driver IC, commonly used for converting binary-coded decimal (BCD) inputs into outputs that can drive seven-segment displays.
Q: How does CD40147BPW work? A: CD40147BPW works by taking a BCD input and decoding it into the appropriate output signals to drive a seven-segment display. Each BCD input corresponds to a specific segment pattern on the display.
Q: What is the maximum operating voltage for CD40147BPW? A: The maximum operating voltage for CD40147BPW is typically around 18V.
Q: Can CD40147BPW drive multiple seven-segment displays? A: Yes, CD40147BPW can drive multiple seven-segment displays by connecting the outputs of multiple ICs together.
Q: What is the maximum current that CD40147BPW can sink/source? A: CD40147BPW can typically sink or source up to 25mA per output pin.
Q: Does CD40147BPW have built-in current limiting resistors for the seven-segment display? A: No, CD40147BPW does not have built-in current limiting resistors. External resistors are required to limit the current through the seven-segment display.
Q: Can CD40147BPW be used with common cathode seven-segment displays? A: No, CD40147BPW is designed to work with common anode seven-segment displays. For common cathode displays, an additional inverter circuit is required.
Q: What is the typical propagation delay of CD40147BPW? A: The typical propagation delay of CD40147BPW is around 60ns.
Q: Can CD40147BPW be used with other types of displays, such as dot matrix or alphanumeric displays? A: No, CD40147BPW is specifically designed for driving seven-segment displays and may not be suitable for other display types.
Q: Are there any application notes or reference designs available for CD40147BPW? A: Yes, many manufacturers provide application notes and reference designs that showcase the usage of CD40147BPW in various technical solutions. These resources can be found on the manufacturer's website or through online documentation.