CD4543BE
Product Overview
Category
CD4543BE belongs to the category of integrated circuits.
Use
It is commonly used as a BCD-to-7 segment latch/decoder/driver for liquid crystal and LED displays.
Characteristics
- CD4543BE is known for its high voltage output (50V) capability.
- It has a wide operating voltage range of 3V to 18V.
- The device is designed to directly drive common anode LED displays.
Package
The CD4543BE comes in a 16-pin dual in-line package (DIP).
Packaging/Quantity
It is typically available in tubes or reels with varying quantities, depending on the supplier.
Specifications
- Supply Voltage: 3V to 18V
- Output Voltage: 50V
- Operating Temperature Range: -55°C to 125°C
- Input Current: 1μA
- Output Current: 100mA
Detailed Pin Configuration
- A-GND
- LT
- BI/RBO
- LE
- a
- f
- g
- VDD
- b
- e
- c
- d
- RBO
- BL
- RBI
- VSS
Functional Features
- BCD-to-7 Segment Latch/Decoder/Driver
- High Voltage Output Capability
- Wide Operating Voltage Range
- Directly Drives Common Anode LED Displays
Advantages
- Versatile application in driving various display types
- Wide operating voltage range allows for flexibility in different circuit designs
- High voltage output capability enables driving of multiple LEDs in series
Disadvantages
- Limited to driving common anode displays only
- May require additional components for more complex display configurations
Working Principles
The CD4543BE takes Binary-Coded Decimal (BCD) input and decodes it into signals that can drive a 7-segment display. It also includes latches to store the BCD input, allowing for easy updating of the display without interference from new input data.
Detailed Application Field Plans
The CD4543BE is widely used in electronic devices that require numerical or alphanumeric displays, such as digital clocks, calculators, and instrumentation panels. It is also utilized in consumer electronics for displaying numeric information.
Detailed and Complete Alternative Models
Some alternative models to CD4543BE include:
- CD4511B: BCD-to-7 Segment Latch/Decoder/Driver with complementary outputs
- CD4026B: CMOS Decade Counter/Divider with 7-segment display output driver
In conclusion, the CD4543BE is a versatile integrated circuit with a wide range of applications in driving LED and liquid crystal displays. Its high voltage output capability and wide operating voltage range make it suitable for various electronic devices requiring numerical or alphanumeric displays.
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技術ソリューションにおける CD4543BE の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure, here are 10 common questions and answers related to the application of CD4543BE:
What is CD4543BE?
- CD4543BE is a BCD-to-7 segment latch/decoder/driver IC that is commonly used to convert binary-coded decimal (BCD) input into the corresponding 7-segment display outputs.
What is the supply voltage range for CD4543BE?
- The supply voltage range for CD4543BE is typically between 3V and 18V.
How many BCD inputs does CD4543BE have?
- CD4543BE has 4 BCD inputs (A, B, C, D) which can accept a 4-bit binary input.
What is the maximum output current capability of CD4543BE?
- The maximum output current capability of CD4543BE is around 6mA per segment.
Can CD4543BE directly drive a common-cathode 7-segment display?
- Yes, CD4543BE can directly drive a common-cathode 7-segment display.
What is the purpose of the latch in CD4543BE?
- The latch in CD4543BE is used to store the BCD input and prevent changes during the display update.
How does CD4543BE handle invalid BCD inputs?
- CD4543BE has an internal blanking circuit that blanks the display when an invalid BCD input is detected.
Can CD4543BE be cascaded to drive multiple 7-segment displays?
- Yes, CD4543BE can be cascaded to drive multiple 7-segment displays by connecting the outputs of one IC to the inputs of another.
What is the typical propagation delay of CD4543BE?
- The typical propagation delay of CD4543BE is around 100ns.
Is CD4543BE suitable for low-power applications?
- Yes, CD4543BE is suitable for low-power applications as it has a low power consumption and can operate at lower supply voltages.
I hope these answers provide the information you were looking for! If you have any more questions, feel free to ask.