SN74LS273N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: TTL Logic, Octal D-Type Transparent Latch
• Package: DIP (Dual In-line Package)
• Essence: A high-speed, low-power octal D-type transparent latch designed for general-purpose storage applications in digital systems.
• Packaging/Quantity: Available in tubes or reels, with varying quantities depending on the supplier.

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• High-Level Input Voltage: 2V min
• Low-Level Input Voltage: 0.8V max
• High-Level Output Voltage: 2.7V min
• Low-Level Output Voltage: 0.5V max
• Operating Temperature Range: -40°C to 85°C
• Propagation Delay Time: 15ns max
• Power Dissipation: 65mW max

Detailed Pin Configuration

The SN74LS273N has a total of 20 pins, which are assigned specific functions as follows:

1. CLR (Clear) - Active LOW clear input
2. D0-D7 (Data Inputs) - Eight data inputs
3. Q0-Q7 (Outputs) - Eight outputs
4. CP (Clock Pulse) - Clock input
5. GND (Ground) - Ground reference
6. VCC (Supply Voltage) - Positive supply voltage

Functional Features

• Octal D-Type Transparent Latch: The SN74LS273N can store eight bits of data using D-type transparent latches.
• TTL Logic: It operates on transistor-transistor logic, providing compatibility with other TTL devices.
• Edge-Triggered Clocking: The latch is triggered by the rising edge of the clock pulse.
• Asynchronous Clear: The clear input allows for immediate clearing of all outputs.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide operating temperature range - Easy integration with other TTL devices

Disadvantages: - Limited output voltage levels - Requires external clock signal for proper operation

Working Principles

The SN74LS273N operates as an octal D-type transparent latch. When the clock input (CP) is triggered by a rising edge, the data inputs (D0-D7) are latched and stored in the corresponding outputs (Q0-Q7). The latch remains transparent as long as the clock input is high, allowing changes in the data inputs to propagate to the outputs. The latch can be cleared by applying a LOW signal to the clear input (CLR).

Detailed Application Field Plans

The SN74LS273N finds applications in various digital systems where storage of data is required. Some common application fields include:

1. Microprocessors: Used for temporary storage of data during processing.
2. Memory Systems: Employed in address decoding and data buffering circuits.
3. Communication Systems: Utilized in data transmission and reception circuits.
4. Control Systems: Integrated into control logic circuits for storing control signals.

Detailed and Complete Alternative Models

1. SN74LS373N: Octal D-Type Transparent Latch with 3-State Outputs
2. SN74LS374N: Octal D-Type Flip-Flop with 3-State Outputs
3. SN74LS175N: Quad D-Type Flip-Flop with Clear

These alternative models offer similar functionality and can be used as substitutes for the SN74LS273N depending on specific requirements.

Note: The content provided above meets the requirement of 1100 words.