Texas Instruments
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
CD74HC4511M
詳細を表示 DataSheets

CD74HC4511M

Product Overview

The CD74HC4511M is a BCD-to-7 segment latch/decoder/driver designed for use in liquid crystal and LED displays. This integrated circuit falls under the category of semiconductor devices and is commonly used in digital display applications. The CD74HC4511M is known for its high-speed operation, low power consumption, and compatibility with various display technologies. It is available in a 16-pin SOIC package and is an essential component for driving 7-segment displays.

Package and Quantity

The CD74HC4511M is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing a specific quantity, which varies based on the supplier and customer requirements.

Specifications

  • Supply Voltage: 2V to 6V
  • High-Speed Operation: 15 ns (typical)
  • Low Power Consumption: 20 µA (max)
  • Operating Temperature Range: -55°C to 125°C
  • Output Current: 25 mA (max)

Detailed Pin Configuration

The CD74HC4511M features 16 pins, each serving a specific function: 1. LT (Latch Enable) 2. BI (Blanking Input) 3. A (BCD Input A) 4. B (BCD Input B) 5. C (BCD Input C) 6. D (BCD Input D) 7. LE (Lamp Test) 8. BL (Blanking Input) 9. RBI (Ripple Blanking Input) 10. a (Segment Output a) 11. b (Segment Output b) 12. c (Segment Output c) 13. d (Segment Output d) 14. e (Segment Output e) 15. f (Segment Output f) 16. g (Segment Output g)

Functional Features

The CD74HC4511M integrates a BCD-to-7 segment latch/decoder/driver, allowing it to convert binary-coded decimal inputs into signals that can drive 7-segment displays. It also includes features such as latch enable, blanking input, lamp test, and ripple blanking input, providing flexibility and control over the display output.

Advantages and Disadvantages

Advantages

  • High-speed operation enables rapid display updates
  • Low power consumption contributes to energy efficiency
  • Versatile functionality supports various display applications

Disadvantages

  • Limited output current may restrict use in certain high-power applications
  • Operating temperature range may not be suitable for extreme environments

Working Principles

The CD74HC4511M operates by receiving BCD inputs and converting them into signals that drive the segments of a 7-segment display. The latch enable and blanking inputs provide control over the latching and blanking functions, while the lamp test feature allows for easy testing of the display segments.

Detailed Application Field Plans

The CD74HC4511M is widely used in electronic devices and equipment that require numeric or alphanumeric displays. Common application fields include: - Digital clocks - Electronic meters - Counters and timers - Instrumentation panels - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models offer similar functionality to the CD74HC4511M, including: - CD4511B: A BCD-to-7 segment latch/decoder/driver with comparable specifications and pin configuration. - SN74LS47: Another BCD-to-7 segment decoder/driver that provides similar functionality for display applications.

In conclusion, the CD74HC4511M is a versatile and efficient integrated circuit that plays a crucial role in driving 7-segment displays across various electronic devices and equipment.

Word count: 529

技術ソリューションにおける CD74HC4511M 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。

  1. What is CD74HC4511M?

    • CD74HC4511M 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.

  2. What are the key features of CD74HC4511M?

    • The key features of CD74HC4511M include BCD-to-7 segment decoding, latching inputs, and the ability to directly drive common-cathode displays.

  3. How does CD74HC4511M work?

    • CD74HC4511M takes a 4-bit BCD input and decodes it to drive a 7-segment display. It has latching inputs to hold the BCD data and provides the necessary current to drive the display segments.

  4. What is the maximum voltage and current ratings for CD74HC4511M?

    • The maximum voltage rating for CD74HC4511M is typically around 6V, and the maximum output current per segment is around 25mA.

  5. Can CD74HC4511M be used with common-anode displays?

    • No, CD74HC4511M is designed to work with common-cathode displays only.

  6. What are the typical applications of CD74HC4511M?

    • CD74HC4511M is commonly used in digital clocks, electronic meters, scoreboards, and other applications requiring BCD-to-7 segment decoding.

  7. Does CD74HC4511M require external components for operation?

    • CD74HC4511M requires minimal external components such as resistors for current limiting and a power supply for operation.

  8. What is the pinout configuration of CD74HC4511M?

    • CD74HC4511M typically comes in a 16-pin DIP or SOIC package, with pinout configurations for BCD inputs, 7-segment outputs, and power supply connections.

  9. Is CD74HC4511M compatible with microcontrollers and digital logic circuits?

    • Yes, CD74HC4511M is compatible with microcontrollers and digital logic circuits operating at TTL or CMOS voltage levels.

  10. Are there any specific considerations for interfacing CD74HC4511M with other components?

    • When interfacing CD74HC4511M with other components, it's important to ensure proper voltage levels, signal timing, and current limitations to avoid damage to the IC or connected devices.