SN74LS73AN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Dual JK Flip-Flop
• Characteristics:
  • TTL (Transistor-Transistor Logic) technology
  • Low power consumption
  • High-speed operation
  • Wide operating voltage range
• Package: DIP (Dual In-line Package)
• Essence: The SN74LS73AN is a dual JK flip-flop IC that can store and manipulate binary information.
• Packaging/Quantity: Available in tubes or reels, with varying quantities.

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Operating Temperature Range: 0°C to 70°C
• Propagation Delay Time: 15 ns (max)
• Input Capacitance: 3 pF (typ)
• Output Current: ±8 mA (min)

Detailed Pin Configuration

The SN74LS73AN has a total of 14 pins, which are assigned as follows:

1. CLR (Clear) - Clear input
2. CLK (Clock) - Clock input
3. J1 (J1) - J input for the first flip-flop
4. K1 (K1) - K input for the first flip-flop
5. Q1 (Q1) - Q output for the first flip-flop
6. Q̅1 (Q̅1) - Complementary Q output for the first flip-flop
7. GND (Ground) - Ground reference
8. Q̅2 (Q̅2) - Complementary Q output for the second flip-flop
9. Q2 (Q2) - Q output for the second flip-flop
10. K2 (K2) - K input for the second flip-flop
11. J2 (J2) - J input for the second flip-flop
12. VCC (Positive Supply Voltage) - Positive supply voltage input
13. PRE (Preset) - Preset input
14. PR̅E (Preset Complementary) - Complementary preset input

Functional Features

• Dual JK flip-flop with individual clear and preset inputs
• Can operate as a positive-edge-triggered or negative-edge-triggered flip-flop
• Outputs can drive TTL or CMOS logic levels
• High noise immunity due to Schmitt-trigger inputs
• Direct interface with common system bus structures

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices - High-speed operation allows for efficient data processing - Wide operating voltage range provides flexibility in various applications - Schmitt-trigger inputs enhance noise immunity

Disadvantages: - Limited functionality compared to more advanced flip-flop ICs - Not suitable for high-frequency applications due to propagation delay time

Working Principles

The SN74LS73AN operates based on the principles of JK flip-flops. It can store binary information using its two flip-flops, which are triggered by clock signals. The clear and preset inputs allow for resetting or pre-setting the flip-flop outputs. The outputs can be used to drive other logic circuits or interface with external devices.

Detailed Application Field Plans

The SN74LS73AN is commonly used in various digital systems and applications, including: - Counters and registers - Data storage and retrieval systems - Control and timing circuits - Memory address decoding - Sequential logic circuits

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the SN74LS73AN include: - CD4027BE: Dual JK flip-flop IC with complementary outputs - MC14027B: Dual JK flip-flop IC with buffered outputs - 74HC73: Dual JK flip-flop IC with CMOS technology

These alternative models can be considered based on specific requirements and compatibility with the existing system.

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