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CD74HC4511M96
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CD74HC4511M96

Product Overview

  • Category: Integrated Circuit
  • Use: BCD to 7-segment latch/decoder/driver
  • Characteristics:
    • High-speed CMOS logic
    • Latch and decoder functionality
    • Drive capability for common-cathode LED displays
  • Package: SOIC-16
  • Essence: Converts binary-coded decimal (BCD) input to a 7-segment display output
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 25 MHz
  • Maximum Propagation Delay: 60 ns
  • Maximum Quiescent Current: 4 µA
  • Maximum Output Current: 5.2 mA

Detailed Pin Configuration

  1. A3 - BCD Input 3
  2. A2 - BCD Input 2
  3. A1 - BCD Input 1
  4. A0 - BCD Input 0
  5. LT - Latch Enable Input
  6. BI/RBO - Blanking Input/ Ripple Blanking Output
  7. a - Segment a Output
  8. b - Segment b Output
  9. c - Segment c Output
  10. d - Segment d Output
  11. e - Segment e Output
  12. f - Segment f Output
  13. g - Segment g Output
  14. VCC - Positive Power Supply
  15. GND - Ground
  16. RBO - Ripple Blanking Output

Functional Features

  • Converts BCD input to a 7-segment display output
  • Latch functionality allows the input to be stored and displayed continuously
  • Decoder functionality maps the BCD input to the corresponding segment outputs
  • Drive capability for common-cathode LED displays

Advantages and Disadvantages

Advantages

  • High-speed CMOS logic allows for fast operation
  • Compact SOIC-16 package saves board space
  • Low quiescent current minimizes power consumption
  • Wide supply voltage range provides flexibility in different applications

Disadvantages

  • Limited output current may not be suitable for driving high-power LEDs
  • Requires external components (resistors, capacitors) for proper operation

Working Principles

The CD74HC4511M96 is a BCD to 7-segment latch/decoder/driver integrated circuit. It takes a 4-bit binary-coded decimal (BCD) input and converts it into the appropriate signals to drive a 7-segment display. The latch functionality allows the input to be stored and continuously displayed on the segments. The decoder functionality maps the BCD input to the corresponding segment outputs, enabling the correct digit representation on the display.

Detailed Application Field Plans

The CD74HC4511M96 is commonly used in various applications that require BCD to 7-segment conversion. Some of the typical application fields include:

  1. Digital clocks and timers
  2. Counters and frequency meters
  3. Industrial control panels
  4. Instrumentation displays
  5. Automotive dashboards

Detailed and Complete Alternative Models

  1. CD4511BE: DIP-16 package, similar functionality
  2. SN74LS47N: DIP-16 package, TTL logic, similar functionality
  3. MAX7219CNG: DIP-24 package, serially interfaced, multiplexed display driver

These alternative models provide similar BCD to 7-segment conversion functionality and can be considered as alternatives to the CD74HC4511M96 depending on specific requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von CD74HC4511M96 in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of CD74HC4511M96 in technical solutions:

Q1: What is CD74HC4511M96? A1: CD74HC4511M96 is a BCD-to-7-segment latch/decoder/driver IC that converts binary-coded decimal (BCD) input into a 7-segment display output.

Q2: What is the operating voltage range for CD74HC4511M96? A2: The operating voltage range for CD74HC4511M96 is typically between 2V and 6V.

Q3: How many inputs does CD74HC4511M96 have? A3: CD74HC4511M96 has four BCD inputs (A, B, C, D) and an additional input (LT) for lamp test functionality.

Q4: What is the maximum frequency at which CD74HC4511M96 can operate? A4: CD74HC4511M96 can typically operate at a maximum frequency of 25 MHz.

Q5: Can CD74HC4511M96 directly drive a common cathode 7-segment display? A5: No, CD74HC4511M96 is designed to drive a common anode 7-segment display. For a common cathode display, an additional inverter or driver circuit is required.

Q6: How many 7-segment displays can be driven by a single CD74HC4511M96? A6: CD74HC4511M96 can drive one 7-segment display. If multiple displays are needed, additional CD74HC4511M96 ICs can be cascaded together.

Q7: Does CD74HC4511M96 have built-in current limiting resistors for the 7-segment display? A7: No, CD74HC4511M96 does not have built-in current limiting resistors. External resistors are required to limit the current flowing through the segments of the display.

Q8: Can CD74HC4511M96 be used with a microcontroller or Arduino? A8: Yes, CD74HC4511M96 can be easily interfaced with microcontrollers or Arduino boards by connecting the BCD inputs and LT input to the appropriate digital pins.

Q9: What is the purpose of the lamp test (LT) input in CD74HC4511M96? A9: The lamp test (LT) input allows all segments of the 7-segment display to be turned on simultaneously for testing purposes.

Q10: Are there any specific precautions to consider when using CD74HC4511M96? A10: It is important to ensure that the voltage levels applied to the inputs of CD74HC4511M96 do not exceed the specified operating range. Additionally, proper current limiting resistors should be used to protect the 7-segment display from excessive current.