SN74LS596N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: TTL Logic, 8-bit parallel-in/serial-out shift register with output latches
• Package: DIP (Dual In-line Package)
• Essence: Serial-to-parallel data conversion and storage
• Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier

Specifications

• Supply Voltage: 4.75V to 5.25V
• Input Voltage: 0V to VCC
• Operating Temperature Range: -40°C to 85°C
• Maximum Clock Frequency: 25 MHz
• Number of Bits: 8
• Output Type: Tri-State
• Output Current: ±4mA
• Propagation Delay: 15ns (max)

Detailed Pin Configuration

The SN74LS596N has a total of 16 pins. The pin configuration is as follows:

1. SER (Serial Data Input)
2. QA (Parallel Output A)
3. QB (Parallel Output B)
4. QC (Parallel Output C)
5. QD (Parallel Output D)
6. QE (Parallel Output E)
7. QF (Parallel Output F)
8. QG (Parallel Output G)
9. QH (Parallel Output H)
10. MR (Master Reset)
11. SHCP (Shift Register Clock Input)
12. STCP (Storage Register Clock Input)
13. OE (Output Enable)
14. DS (Serial Data Input)
15. GND (Ground)
16. VCC (Supply Voltage)

Functional Features

• Serial-to-parallel data conversion: Allows for efficient transfer of data from a serial source to parallel outputs.
• Output latches: Provides the ability to store the converted parallel data for simultaneous output.
• Tri-State outputs: Enables multiple devices to share the same bus without interference.

Advantages and Disadvantages

Advantages: - High-speed data transfer with a maximum clock frequency of 25 MHz. - Tri-State outputs allow for efficient bus sharing. - Easy integration into existing digital systems.

Disadvantages: - Limited to 8-bit parallel data conversion. - Requires external clock signals for proper operation. - Not suitable for applications requiring higher bit counts.

Working Principles

The SN74LS596N operates by shifting data in a serial manner from the SER pin into an internal shift register. The shift register is controlled by the SHCP input, which acts as a clock signal. Once the desired data is shifted in, the STCP input latches the data into the parallel output registers. The output data can then be accessed simultaneously through the QA to QH pins. The OE pin allows for enabling or disabling the outputs as needed.

Detailed Application Field Plans

The SN74LS596N finds applications in various fields, including:

1. Data communication systems: Used for serial-to-parallel conversion in data transmission protocols.
2. Industrial automation: Enables efficient control and monitoring of multiple devices using parallel data transfer.
3. Display systems: Facilitates driving LED or LCD displays by converting serial data into parallel format.
4. Memory interfacing: Allows for efficient data transfer between memory modules and microcontrollers.

Detailed and Complete Alternative Models

1. CD4094: Similar 8-bit serial-in/parallel-out shift register with output latches, but operates at a lower clock frequency.
2. 74HC595: 8-bit serial-in/parallel-out shift register with output latches, compatible with CMOS logic levels.
3. SN74HC166: 8-bit parallel-in/serial-out shift register, suitable for applications requiring serial data extraction.

These alternative models offer similar functionality to the SN74LS596N and can be considered based on specific requirements.

In conclusion, the SN74LS596N is a versatile shift register IC that enables efficient serial-to-parallel data conversion and storage. With its tri-state outputs and high-speed operation, it finds applications in various fields such as data communication, industrial automation, display systems, and memory interfacing. While it has limitations in terms of bit count and external clock requirement, alternative models provide options for different specifications and compatibility.