NXP USA Inc.
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74HCT595N,112
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74HCT595N,112

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Shift Register
  • Characteristics: High-speed operation, low power consumption, serial to parallel conversion
  • Package: DIP (Dual In-line Package)
  • Essence: Serial-in, parallel-out shift register with storage capability
  • Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: -0.5V to VCC + 0.5V
  • Output Voltage: -0.5V to VCC + 0.5V
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Clock Frequency: 25 MHz
  • Number of Stages: 8

Detailed Pin Configuration

  1. SER (Serial Data Input)
  2. RCLK (Register Clock Input)
  3. SRCLK (Shift Register Clock Input)
  4. OE (Output Enable Input)
  5. SRCLR (Shift Register Clear Input)
  6. QA-QH (Parallel Outputs)
  7. GND (Ground)
  8. VCC (Supply Voltage)

Functional Features

  • Serial-to-parallel conversion: Allows data to be shifted in serially and then outputted in parallel.
  • Storage capability: The shift register can hold the data until it is updated.
  • Cascadable: Multiple devices can be connected together to expand the number of outputs.

Advantages and Disadvantages

Advantages: - High-speed operation: Suitable for applications requiring fast data transfer. - Low power consumption: Helps reduce overall power consumption in electronic systems. - Easy to use: Simplifies the process of converting serial data to parallel data.

Disadvantages: - Limited number of outputs: Only provides 8 parallel outputs. - Requires external components for cascading: Additional circuitry is needed to connect multiple devices.

Working Principles

The 74HCT595N,112 is a shift register that converts serial data into parallel data. It consists of eight flip-flops connected in series, allowing data to be shifted from one stage to the next. The SER input receives the serial data, which is then shifted through the register with each clock pulse. The RCLK input latches the data into the output registers, while the SRCLK input controls the shifting of data. The QA-QH outputs provide the parallel data.

Detailed Application Field Plans

  • LED matrix control: The shift register can be used to control the rows and columns of an LED matrix display.
  • Serial data transmission: It can be employed in applications where serial data needs to be converted into parallel data for further processing.
  • Data storage: The shift register's storage capability makes it suitable for applications requiring temporary data storage.

Detailed and Complete Alternative Models

  • 74HC595: Similar to 74HCT595N,112 but operates at a higher voltage range (2V to 6V).
  • SN74HC595: Texas Instruments' version of the shift register with similar functionality.

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10 سوال و پاسخ رایج مربوط به کاربرد 74HCT595N,112 در راه حل های فنی را فهرست کنید

Sure! Here are 10 common questions and answers related to the application of 74HCT595N,112 in technical solutions:

  1. Q: What is the 74HCT595N,112? A: The 74HCT595N,112 is an 8-bit serial-in, parallel-out shift register with output latches. It can be used to expand the number of digital outputs in a microcontroller-based system.

  2. Q: How does the 74HCT595N,112 work? A: The 74HCT595N,112 receives data serially and then shifts it into its internal registers. Once all the data is shifted in, it can be latched onto the output pins simultaneously.

  3. Q: What is the maximum clock frequency for the 74HCT595N,112? A: The maximum clock frequency for the 74HCT595N,112 is typically around 25 MHz.

  4. Q: Can I daisy-chain multiple 74HCT595N,112 chips together? A: Yes, you can daisy-chain multiple 74HCT595N,112 chips together to further expand the number of outputs. The output of one chip can be connected to the input of the next chip.

  5. Q: What is the maximum current that each output pin of the 74HCT595N,112 can sink/source? A: Each output pin of the 74HCT595N,112 can typically sink/source up to 6 mA of current.

  6. Q: Can the 74HCT595N,112 be used with both 3.3V and 5V microcontrollers? A: Yes, the 74HCT595N,112 is compatible with both 3.3V and 5V microcontrollers as it has 5V-tolerant inputs.

  7. Q: How many 74HCT595N,112 chips can be connected to a single microcontroller? A: The number of 74HCT595N,112 chips that can be connected to a single microcontroller depends on the available pins and the desired number of outputs. Each chip requires 3 control pins (SER, SRCLK, RCLK) and one output enable pin (OE).

  8. Q: Can the 74HCT595N,112 be used for driving LEDs? A: Yes, the 74HCT595N,112 is commonly used for driving LEDs as it can provide sufficient current to light up multiple LEDs simultaneously.

  9. Q: Is there any special consideration for power supply decoupling when using the 74HCT595N,112? A: It is recommended to use decoupling capacitors near the power supply pins of the 74HCT595N,112 to minimize noise and ensure stable operation.

  10. Q: Are there any alternative shift register ICs similar to the 74HCT595N,112? A: Yes, there are other shift register ICs available such as the 74HC595, CD4094, and TPIC6B595 which can also be used in similar applications.

Please note that the specific details and characteristics may vary depending on the manufacturer's datasheet, so it's always important to refer to the datasheet for accurate information.