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74AHC594DB,112
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74AHC594DB,112

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Shift Register
  • Characteristics: High-speed operation, low power consumption
  • Package: SSOP (Shrink Small Outline Package)
  • Essence: Serial-in, parallel-out shift register with output latches
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2 V to 5.5 V
  • Input Voltage Range: 0 V to VCC
  • Output Voltage Range: 0 V to VCC
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Clock Frequency: 100 MHz
  • Number of Stages: 8
  • Output Current: ±6 mA

Pin Configuration

The 74AHC594DB,112 has a total of 16 pins. The pin configuration is as follows:

  1. Q0 (Output)
  2. Q1 (Output)
  3. Q2 (Output)
  4. Q3 (Output)
  5. Q4 (Output)
  6. Q5 (Output)
  7. Q6 (Output)
  8. Q7 (Output)
  9. GND (Ground)
  10. SER (Serial Data Input)
  11. RCLK (Register Clock Input)
  12. SRCLK (Shift Register Clock Input)
  13. OE (Output Enable Input)
  14. MR (Master Reset Input)
  15. VCC (Supply Voltage)
  16. Q7' (Output)

Functional Features

  • Serial-in, parallel-out shift register with output latches
  • High-speed operation allows for efficient data transfer
  • Low power consumption makes it suitable for battery-powered devices
  • Output enable input allows for easy control of the output stage
  • Master reset input resets the shift register to its initial state

Advantages and Disadvantages

Advantages: - High-speed operation enables fast data transfer - Low power consumption extends battery life - Output latches provide stable output values - Compact SSOP package saves board space

Disadvantages: - Limited number of stages (8 in this case) - Requires external clock signals for proper operation

Working Principles

The 74AHC594DB,112 is a serial-in, parallel-out shift register with output latches. It receives data serially through the SER pin and shifts it through the internal stages on each rising edge of the SRCLK input. The RCLK input is used to latch the shifted data into the output registers. The OE input can be used to enable or disable the outputs. The MR input resets the shift register to its initial state.

Detailed Application Field Plans

The 74AHC594DB,112 is commonly used in various applications, including:

  1. LED Displays: The shift register can be used to control multiple LEDs, allowing for dynamic lighting effects.
  2. Serial Data Communication: It can be used to convert serial data into parallel format for further processing.
  3. Data Storage: The output latches can store data temporarily, enabling efficient data handling in microcontroller-based systems.
  4. Digital Clocks: The shift register can be used to drive the segments of a digital clock display.

Alternative Models

Some alternative models that offer similar functionality to the 74AHC594DB,112 include:

  1. 74HC595: This IC has similar characteristics and pin configuration but operates at a lower voltage range.
  2. CD4094: It is a similar shift register with output latches, but it operates at a higher voltage range.

These alternative models can be considered based on specific project requirements and availability.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät 74AHC594DB,112 :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of 74AHC594DB,112 in technical solutions:

  1. Q: What is the function of the 74AHC594DB,112? A: The 74AHC594DB,112 is an 8-bit shift register with output latches. It can be used for serial-to-parallel data conversion and driving LEDs or other digital outputs.

  2. Q: What is the maximum operating voltage for the 74AHC594DB,112? A: The maximum operating voltage for the 74AHC594DB,112 is 5.5V.

  3. Q: How many output pins does the 74AHC594DB,112 have? A: The 74AHC594DB,112 has 8 output pins.

  4. Q: Can the 74AHC594DB,112 be cascaded to drive more than 8 outputs? A: Yes, multiple 74AHC594DB,112 chips can be cascaded together to drive a larger number of outputs.

  5. Q: What is the maximum clock frequency for the 74AHC594DB,112? A: The maximum clock frequency for the 74AHC594DB,112 is typically around 100 MHz.

  6. Q: Does the 74AHC594DB,112 require external pull-up resistors for its inputs? A: No, the 74AHC594DB,112 has internal pull-up resistors on its input pins.

  7. Q: Can the 74AHC594DB,112 be used with both CMOS and TTL logic levels? A: Yes, the 74AHC594DB,112 is compatible with both CMOS and TTL logic levels.

  8. Q: What is the power supply voltage range for the 74AHC594DB,112? A: The power supply voltage range for the 74AHC594DB,112 is typically between 2V and 5.5V.

  9. Q: Does the 74AHC594DB,112 have any built-in protection features? A: Yes, the 74AHC594DB,112 has built-in ESD protection on its inputs and outputs.

  10. Q: Can the 74AHC594DB,112 be used in automotive applications? A: Yes, the 74AHC594DB,112 is qualified for automotive applications and can operate in a wide temperature range.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74AHC594DB,112.