SN74LS73AD

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 SN74LS73AD is a dual JK flip-flop IC that can store and manipulate binary information.
• Packaging/Quantity: Available in tubes or reels, with varying quantities depending on the supplier.

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 SN74LS73AD 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 flip-flop 1
4. K1 (K1) - K input for flip-flop 1
5. Q1 (Q1) - Output Q for flip-flop 1
6. Q̅1 (Q̅1) - Complementary output Q̅ for flip-flop 1
7. GND (Ground) - Ground reference
8. Q̅2 (Q̅2) - Complementary output Q̅ for flip-flop 2
9. Q2 (Q2) - Output Q for flip-flop 2
10. K2 (K2) - K input for flip-flop 2
11. J2 (J2) - J input for flip-flop 2
12. VCC (Voltage Common Collector) - Positive power supply
13. SET - Set input
14. PRE - Preset input

Functional Features

• Dual JK flip-flop with individual clear and preset inputs
• Clock-triggered operation
• Asynchronous clear and preset inputs for each flip-flop
• Direct overriding of clock and data inputs
• High noise immunity
• Compatible with various TTL families

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 different applications - TTL technology ensures compatibility with other TTL-based circuits

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

Working Principles

The SN74LS73AD operates based on the principles of JK flip-flops. It can store binary information using its two flip-flops, which are triggered by a clock signal. The J and K inputs control the state of the flip-flops, while the clear and preset inputs allow for asynchronous resetting or setting of the flip-flop outputs.

Detailed Application Field Plans

The SN74LS73AD is commonly used in various digital systems and applications, including: - Counters and registers - Data storage and manipulation circuits - Control and timing circuits - Sequential logic circuits - Microcontrollers and microprocessors

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the SN74LS73AD include: - CD4027: Dual JK flip-flop IC with complementary outputs - MC14027B: Dual JK flip-flop IC with buffered outputs - 74HC73: Dual JK flip-flop IC compatible with CMOS logic

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

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