SN74LS73AN
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Texas Instruments SN74LS73AN

Manufacturer No:
SN74LS73AN
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC FF JK TYPE DUAL 1BIT 14DIP
Delivery:
Payment:
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Product Introduction

Overview

The SN74LS73AN is a dual negative-edge-triggered J-K flip-flop integrated circuit (IC) produced by Texas Instruments. This IC is part of the LS (Low-Power Schottky) series, known for its balance of speed and power efficiency. The SN74LS73AN is designed for use in digital logic applications, offering reliable performance in sequential logic circuits. Its target user groups include electronics engineers, hobbyists, and developers working on digital systems, counters, and state machines. The product stands out for its robust design, low power consumption, and compatibility with a wide range of digital systems.

Key Specifications

ParameterValueUnitNotes
Logic TypeJ-K Flip-Flop-Dual, negative-edge-triggered
Supply Voltage (VCC)4.75 to 5.25VStandard TTL levels
High-Level Output Current (IOH)-0.4mA
Low-Level Output Current (IOL)8mA
Propagation Delay (tpd)15nsTypical
Operating Temperature0 to 70°CCommercial range
Package14-Pin PDIP-Plastic Dual In-Line Package

Key Features

  • Dual J-K flip-flops with clear functionality.
  • Negative-edge triggering for precise timing control.
  • Low power consumption, ideal for battery-powered devices.
  • Wide operating voltage range compatible with TTL logic levels.
  • Robust design for reliable performance in digital systems.

Applications

The SN74LS73AN is widely used in digital logic circuits, including:

  • Counters and Registers: Ideal for designing synchronous counters and shift registers.
  • State Machines: Used in sequential logic for state transitions.
  • Timing Circuits: Suitable for applications requiring precise timing control.
  • Industrial Control Systems: Provides reliable performance in automation and control systems.
  • Consumer Electronics: Used in devices like calculators, digital clocks, and more.

Q & A

1. What is the operating voltage range of the SN74LS73AN?

The operating voltage range is 4.75V to 5.25V.

2. Is the SN74LS73AN edge-triggered or level-triggered?

It is negative-edge-triggered.

3. What is the typical propagation delay of this IC?

The typical propagation delay is 15 ns.

4. Does the SN74LS73AN include a clear function?

Yes, it includes a clear function for resetting the flip-flops.

5. What package type does the SN74LS73AN come in?

It comes in a 14-pin PDIP (Plastic Dual In-Line Package).

6. Can this IC be used in high-speed applications?

Yes, it is suitable for moderate-speed digital applications.

7. What is the maximum low-level output current?

The maximum low-level output current is 8 mA.

8. Is the SN74LS73AN compatible with TTL logic levels?

Yes, it is fully compatible with TTL logic levels.

9. What is the operating temperature range?

The operating temperature range is 0°C to 70°C.

10. Can this IC be used in battery-powered devices?

Yes, its low power consumption makes it suitable for battery-powered applications.

Product Attributes

Function:Master Reset
Type:JK Type
Output Type:Complementary
Number of Elements:2
Number of Bits per Element:1
Clock Frequency:45 MHz
Max Propagation Delay @ V, Max CL:20ns @ 5V, 45pF
Trigger Type:Negative Edge
Current - Output High, Low:400µA, 8mA
Voltage - Supply:4.75V ~ 5.25V
Current - Quiescent (Iq):6 mA
Input Capacitance:- 
Operating Temperature:0°C ~ 70°C (TA)
Mounting Type:Through Hole
Supplier Device Package:14-PDIP
Package / Case:14-DIP (0.300", 7.62mm)
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Similar Products

Part Number SN74LS73AN SN74LS74AN SN74LS76AN SN74LS173AN SN74LS73AD
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Obsolete Active Active
Function Master Reset Set(Preset) and Reset Set(Preset) and Reset Master Reset Reset
Type JK Type D-Type JK Type D-Type JK Type
Output Type Complementary Complementary Complementary Tri-State, Non-Inverted Complementary
Number of Elements 2 2 2 1 2
Number of Bits per Element 1 1 1 4 1
Clock Frequency 45 MHz 33 MHz 45 MHz 50 MHz 45 MHz
Max Propagation Delay @ V, Max CL 20ns @ 5V, 45pF 25ns @ 2.5V, 15pF 20ns @ 5V, 15pF 30ns @ 5V, 45pF 20ns @ 5V, 15pF
Trigger Type Negative Edge Positive Edge Negative Edge Positive Edge Negative Edge
Current - Output High, Low 400µA, 8mA 400µA, 8mA 400µA, 8mA 2.6mA, 24mA 400µA, 8mA
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V
Current - Quiescent (Iq) 6 mA 8 mA 4 mA 24 mA 6 mA
Input Capacitance - - - - -
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Through Hole Through Hole Through Hole Through Hole Surface Mount
Supplier Device Package 14-PDIP 14-PDIP 16-PDIP 16-PDIP 14-SOIC
Package / Case 14-DIP (0.300", 7.62mm) 14-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm) 14-SOIC (0.154", 3.90mm Width)

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