74HCT595DB,112

Product Overview

Category: Integrated Circuit (IC)
Use: Shift Register
Characteristics: Serial-in, parallel-out shift register with output latches
Package: SSOP (Shrink Small Outline Package)
Essence: Efficient data storage and transfer solution
Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

Supply Voltage Range: 2.0V to 6.0V
Input Voltage Range: -0.5V to VCC + 0.5V
Output Voltage Range: -0.5V to VCC + 0.5V
Operating Temperature Range: -40°C to +125°C
Maximum Clock Frequency: 25 MHz
Number of Stages: 8
Output Current: ±6 mA
Power Dissipation: 400 mW

Detailed Pin Configuration

SER (Serial Data Input)
RCLK (Register Clock Input)
SRCLK (Shift Register Clock Input)
OE (Output Enable Input)
SRCLR (Shift Register Clear Input)
QA-QH (Parallel Outputs)
GND (Ground)
VCC (Supply Voltage)

Functional Features

Serial-in, parallel-out operation
Latched outputs for easy data retention
Cascadable for expanding the number of outputs
Output enable control for multiplexing applications
Shift register clear function for resetting the register

Advantages and Disadvantages

Advantages: - High-speed data transfer - Compact package size - Low power consumption - Easy integration into various electronic systems

Disadvantages: - Limited number of stages (8 in this case) - Requires external components for complete functionality

Working Principles

The 74HCT595DB,112 is a shift register IC that allows serial data to be loaded and then shifted out in parallel. The SER pin receives the serial data, which is then transferred to the internal shift register on each rising edge of the SRCLK input. The RCLK input latches the data from the shift register into the output latch, making it available at the parallel outputs (QA-QH). The OE input enables or disables the outputs, while the SRCLR input clears the shift register.

Detailed Application Field Plans

The 74HCT595DB,112 can be used in various applications, including but not limited to: - LED matrix displays - Multiplexed seven-segment displays - Serial-to-parallel data conversion - Data storage and transfer systems - Control and driver circuits

Detailed and Complete Alternative Models

Some alternative models to the 74HCT595DB,112 are: - 74HC595: Similar functionality, but with a wider supply voltage range - SN74HC595: Equivalent IC from Texas Instruments - CD4094: 8-stage shift register with latch and clear functions

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 74HCT595DB,112 dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of 74HCT595DB,112 in technical solutions:

Q: What is the 74HCT595DB,112? A: The 74HCT595DB,112 is a shift register IC (integrated circuit) that can be used to expand the number of digital outputs in a microcontroller or other digital system.
Q: How many digital outputs can the 74HCT595DB,112 provide? A: The 74HCT595DB,112 can provide 8 digital outputs.
Q: Can the 74HCT595DB,112 be used with both 3.3V and 5V systems? A: Yes, the 74HCT595DB,112 is compatible with both 3.3V and 5V systems.
Q: How does the 74HCT595DB,112 work? A: The 74HCT595DB,112 is a serial-in, parallel-out shift register. It takes in data serially and then outputs it in parallel to control multiple digital outputs.
Q: What is the maximum clock frequency for the 74HCT595DB,112? A: The maximum clock frequency for the 74HCT595DB,112 is typically around 25 MHz.
Q: Can I daisy-chain multiple 74HCT595DB,112 chips together? A: Yes, you can daisy-chain multiple 74HCT595DB,112 chips together to expand the number of digital outputs even further.
Q: Does the 74HCT595DB,112 require external components for operation? A: Yes, the 74HCT595DB,112 requires external decoupling capacitors and pull-up resistors for proper operation.
Q: Can the 74HCT595DB,112 be used to drive LEDs? A: Yes, the 74HCT595DB,112 can be used to drive LEDs by connecting the outputs to the LED cathodes and using current-limiting resistors.
Q: What is the power supply voltage range for the 74HCT595DB,112? A: The power supply voltage range for the 74HCT595DB,112 is typically between 2V and 6V.
Q: Are there any specific timing requirements for clocking data into the 74HCT595DB,112? A: Yes, the 74HCT595DB,112 has specific setup and hold time requirements for the data and clock signals, which should be followed for reliable operation.

Please note that these answers are general and may vary depending on the specific application and datasheet of the 74HCT595DB,112.