SN74LS75NSR

Product Overview

• Category: Integrated Circuit
• Use: Flip-Flop
• Characteristics: TTL Logic, Quad D-Type Flip-Flop
• Package: SOIC-16
• Essence: The SN74LS75NSR is a quad D-type flip-flop integrated circuit that operates on TTL logic. It is commonly used in digital electronics for storing and transferring data.
• Packaging/Quantity: The SN74LS75NSR is available in a surface mount package (SOIC-16) and is typically sold in reels or tubes containing multiple units.

Specifications

The SN74LS75NSR has the following specifications:

• Supply Voltage: 4.75V to 5.25V
• High-Level Input Voltage: 2V to 5.25V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: 2.7V (min)
• Low-Level Output Voltage: 0.5V (max)
• Maximum Operating Frequency: 33 MHz
• Propagation Delay Time: 15 ns (typical)

Pin Configuration

The SN74LS75NSR has a total of 16 pins arranged as follows:

+---+--+---+ Q1 |1 +--+ 16| Vcc D1 |2 15| Q2 CP1 |3 14| D2 CP2 |4 13| CLR D3 |5 12| Q3 Q3 |6 11| CP3 GND |7 10| CP4 Q4 |8 9| D4 +----------+

Functional Features

• Quad D-Type Flip-Flop: The SN74LS75NSR consists of four independent D-type flip-flops, each capable of storing a single bit of data.
• TTL Logic: The integrated circuit operates on transistor-transistor logic (TTL), which provides reliable and fast digital signal processing.
• Clear Function: The CLR pin allows for clearing the stored data in all four flip-flops simultaneously.
• Clock Input: The CP1, CP2, CP3, and CP4 pins serve as clock inputs for the respective flip-flops.
• Data Input: The D1, D2, D3, and D4 pins are used to input data into the corresponding flip-flops.
• Output: The Q1, Q2, Q3, and Q4 pins provide the output signals from the flip-flops.

Advantages and Disadvantages

Advantages: - Compact Design: The SN74LS75NSR integrates four flip-flops in a single package, saving space on the circuit board. - Fast Operation: The TTL logic ensures high-speed operation, making it suitable for applications requiring quick data storage and transfer.

Disadvantages: - Limited Storage Capacity: Each flip-flop can store only one bit of data, which may be insufficient for certain applications requiring larger data storage.

Working Principles

The SN74LS75NSR operates based on the principles of D-type flip-flops. When a clock pulse is applied to the clock input (CP), the data present at the D input is transferred to the Q output. The stored data remains unchanged until the next clock pulse arrives. The clear input (CLR) allows for resetting all flip-flops simultaneously.

Detailed Application Field Plans

The SN74LS75NSR finds applications in various digital systems, including:

1. Counters and Registers: It can be used as a building block for designing counters and registers in digital circuits.
2. Data Storage: The flip-flops can store temporary data during the execution of microprocessor instructions.
3. State Machines: It is suitable for implementing state machines, where sequential logic is required.

Detailed and Complete Alternative Models

Some alternative models to the SN74LS75NSR include:

1. 74HC75: This is a similar quad D-type flip-flop integrated circuit but operates on CMOS logic instead of TTL.
2. CD4013: A dual D-type flip-flop IC that offers similar functionality but with different pin configuration and characteristics.
3. SN7474: This is a dual positive-edge-triggered D-type flip-flop IC, which can be used as an alternative depending on specific requirements.

In conclusion, the SN74LS75NSR is a quad D-type flip-flop integrated circuit that operates on TTL logic. It provides a compact and fast solution for storing and transferring data in various digital applications.