SN74LS399NSRG4

Product Overview

Category: Integrated Circuit (IC)
Use: Data Storage and Control
Characteristics: 8-Bit Universal Shift/Storage Register
Package: 16-pin SOIC (Small Outline Integrated Circuit)
Essence: Serial-In, Parallel-Out (SIPO) Register with Asynchronous Clear and Clock Enable
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Supply Voltage Range: 4.75V to 5.25V
Operating Temperature Range: -40°C to +85°C
Input Voltage High Level (VIH): 2V min
Input Voltage Low Level (VIL): 0.8V max
Output Voltage High Level (VOH): 2.7V min
Output Voltage Low Level (VOL): 0.5V max
Maximum Clock Frequency: 33 MHz

Detailed Pin Configuration

SER (Serial Data Input)
CLK (Clock Input)
CLR (Clear Input)
OE (Output Enable Input)
QA-QH (Parallel Outputs)
GND (Ground)
QB-QG (Parallel Outputs)
VCC (Supply Voltage)
QH' (Serial Output)
QG' (Serial Output)
QB' (Serial Output)
QA' (Serial Output)
QF' (Serial Output)
QE' (Serial Output)
QD' (Serial Output)
QC' (Serial Output)

Functional Features

Serial-in, parallel-out operation
Asynchronous clear function
Clock enable/disable capability
High-speed data transfer
Wide operating voltage range
TTL compatible inputs and outputs

Advantages

Versatile and flexible data storage and control capabilities
Easy integration into various digital systems
High-speed operation for efficient data transfer
Wide operating voltage range allows compatibility with different power supplies
Compact package size for space-constrained applications

Disadvantages

Limited number of parallel outputs (8 bits)
Requires external clock signal for proper operation
Not suitable for applications requiring higher data storage capacity

Working Principles

The SN74LS399NSRG4 is an 8-bit universal shift/storage register that can store and control data in a serial-in, parallel-out manner. It operates based on the clock input and serial data input. The clock signal synchronizes the shifting of data from the serial input to the parallel outputs. The clear input allows for asynchronous clearing of the register, while the output enable input enables or disables the parallel outputs.

Detailed Application Field Plans

The SN74LS399NSRG4 can be used in various applications, including:

Data communication systems
Serial-to-parallel data conversion
Digital signal processing
Microcontroller interfacing
Memory address decoding
Control and timing circuits

Detailed and Complete Alternative Models

SN74HC595N: 8-Bit Shift Register with Output Latches
CD4021BE: 8-Stage Static Shift Register
74HC164N: 8-Bit Serial-In/Parallel-Out Shift Register
CD4094BE: 8-Stage Shift-and-Store Bus Register
74HC595D: 8-Bit Serial-In/Serial or Parallel-Out Shift Register

These alternative models offer similar functionality and can be used as substitutes for the SN74LS399NSRG4 in various applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SN74LS399NSRG4 dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of SN74LS399NSRG4 in technical solutions:

Q: What is SN74LS399NSRG4? A: SN74LS399NSRG4 is a 8-bit universal shift/storage register with three-state outputs, commonly used in digital systems.
Q: What are the key features of SN74LS399NSRG4? A: Some key features include parallel-to-serial or serial-to-parallel data conversion, three-state outputs for bus-oriented applications, and compatibility with TTL logic levels.
Q: How can I use SN74LS399NSRG4 in my circuit design? A: You can use it as a shift register to convert parallel data to serial or vice versa, or as a storage register to hold data temporarily.
Q: What is the maximum clock frequency supported by SN74LS399NSRG4? A: The maximum clock frequency supported is typically around 25 MHz.
Q: Can I cascade multiple SN74LS399NSRG4 devices together? A: Yes, you can cascade multiple devices to increase the number of bits in your shift register.
Q: What is the power supply voltage range for SN74LS399NSRG4? A: The recommended power supply voltage range is typically between 4.75V and 5.25V.
Q: Does SN74LS399NSRG4 have any built-in protection features? A: No, SN74LS399NSRG4 does not have built-in protection features. It is important to ensure proper voltage levels and avoid exceeding maximum ratings.
Q: Are there any specific precautions I should take while using SN74LS399NSRG4? A: It is important to avoid static discharge, provide proper decoupling capacitors, and follow the recommended operating conditions mentioned in the datasheet.
Q: Can SN74LS399NSRG4 be used in both commercial and industrial applications? A: Yes, SN74LS399NSRG4 is suitable for both commercial and industrial applications due to its wide temperature range and robustness.
Q: Where can I find more information about SN74LS399NSRG4? A: You can refer to the datasheet provided by the manufacturer or visit their official website for detailed information on the device's specifications and application notes.

Please note that the answers provided here are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the official documentation and consult with experts for accurate information.