CD40147BM96

Product Overview

Category: Integrated Circuit (IC)
Use: BCD-to-Seven Segment Decoder/Driver
Characteristics:
- Converts Binary-Coded Decimal (BCD) input to a 7-segment display output
- Drives common-cathode or common-anode displays
- Low power consumption
- Wide supply voltage range
Package: SOIC (Small Outline Integrated Circuit)
Essence: The CD40147BM96 is a versatile decoder/driver IC used for converting BCD input into a format suitable for driving 7-segment displays.
Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

Supply Voltage Range: 3V to 18V
Input Voltage Range: 0V to VDD
Output Current: ±25mA
Operating Temperature Range: -55°C to +125°C
Power Dissipation: 500mW

Detailed Pin Configuration

The CD40147BM96 has a total of 16 pins. The pin configuration is as follows:

A0 - BCD Input A0
A1 - BCD Input A1
A2 - BCD Input A2
A3 - BCD Input A3
LT - Lamp Test Input
BI/RBO - Blanking Input/ Ripple Blanking Output
RBI - Ripple Blanking Input
GND - Ground
F - Seven Segment Output F
E - Seven Segment Output E
D - Seven Segment Output D
C - Seven Segment Output C
B - Seven Segment Output B
A - Seven Segment Output A
VDD - Positive Supply Voltage
RBO - Ripple Blanking Output

Functional Features

The CD40147BM96 is designed to simplify the task of driving 7-segment displays. It takes BCD input and decodes it into the appropriate signals for each segment of the display. The IC can drive common-cathode or common-anode displays, making it suitable for a wide range of applications.

Advantages and Disadvantages

Advantages: - Versatile decoder/driver for 7-segment displays - Low power consumption - Wide supply voltage range allows for flexibility in design

Disadvantages: - Limited to driving 7-segment displays only - Requires additional circuitry for multiplexing multiple displays

Working Principles

The CD40147BM96 works by taking the BCD input and decoding it into the appropriate output signals for each segment of the 7-segment display. The inputs A0-A3 represent the BCD code, while the outputs A-F correspond to the segments of the display. The IC also provides inputs for lamp test and blanking functions.

Detailed Application Field Plans

The CD40147BM96 is commonly used in various applications that require driving 7-segment displays, such as: - Digital clocks - Counters - Industrial control panels - Measurement instruments - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the CD40147BM96 include: - CD4511B: BCD-to-Seven Segment Latch/Decoder/Driver - SN74LS47: BCD-to-Seven Segment Decoder/Driver - HEF4543B: BCD-to-Seven Segment Latch/Decoder/Driver

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací CD40147BM96 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of CD40147BM96 in technical solutions:

Q: What is CD40147BM96? A: CD40147BM96 is a BCD-to-7-segment latch/decoder/driver IC, commonly used for converting binary-coded decimal (BCD) inputs into a 7-segment display output.
Q: What is the operating voltage range of CD40147BM96? A: The operating voltage range of CD40147BM96 is typically between 3V and 18V.
Q: How many BCD inputs does CD40147BM96 have? A: CD40147BM96 has four BCD inputs (A, B, C, and D) which can accept binary values from 0 to 9.
Q: Can CD40147BM96 directly drive a 7-segment display? A: No, CD40147BM96 requires an external current-limiting resistor for each segment of the 7-segment display to prevent excessive current flow.
Q: How many 7-segment displays can be driven by a single CD40147BM96 IC? A: CD40147BM96 can drive one 7-segment display with up to four digits.
Q: What is the purpose of the LT pin in CD40147BM96? A: The LT (Lamp Test) pin is used to test the functionality of the 7-segment display by lighting up all segments simultaneously.
Q: How does CD40147BM96 handle invalid BCD inputs? A: CD40147BM96 treats any invalid BCD input (values greater than 9) as a blank display output.
Q: Can CD40147BM96 be cascaded to drive multiple 7-segment displays? A: Yes, CD40147BM96 can be cascaded by connecting the outputs of one IC to the inputs of another to drive additional 7-segment displays.
Q: What is the maximum frequency at which CD40147BM96 can operate? A: CD40147BM96 can typically operate at frequencies up to 5 MHz.
Q: Are there any specific precautions to consider when using CD40147BM96? A: It is important to ensure that the voltage levels applied to the BCD inputs do not exceed the operating voltage range specified in the datasheet to prevent damage to the IC.

Please note that these answers are general and may vary depending on the specific application and requirements. Always refer to the datasheet and documentation provided by the manufacturer for accurate information.