SN74LS90N
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Texas Instruments SN74LS90N

Manufacturer No:
SN74LS90N
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC DECADE COUNTER 14-DIP
Delivery:
Payment:
iso14001
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Product Introduction

Overview

The SN74LS90N, manufactured by Texas Instruments, is a high-performance decimal/binary counter IC designed for a variety of digital counting applications. As part of the LS series, this component operates within a voltage range of 4.75 V to 5.25 V and is housed in a 14-pin PDIP package. It is widely recognized for its reliability and efficiency in counting and frequency division tasks, making it a popular choice in both educational and industrial settings.

Targeted at engineers and designers working on digital circuits, the SN74LS90N offers a unique combination of features that simplify the design of complex counting systems. Its ability to function as both a binary and decimal counter, along with its compatibility with TTL inputs and CMOS outputs, positions it as a versatile solution for a range of applications.

Key Specifications

ParameterValueUnitNotes
ManufacturerTexas Instruments--
ModelSN74LS90N--
CategoryCounter IC--
Logic FamilyLS--
Counter TypeDecade/4-Bit Binary--
Operating Voltage4.75 to 5.25V-
Operating Temperature0 to 70°C-
PackagePDIP-14--
Trigger TypeNegative Edge--
Maximum Frequency42MHz-

Key Features

  • Combines binary and decimal counting capabilities in a single IC.
  • Supports asynchronous reset and set to 9 functions, enhancing control flexibility.
  • Compatible with TTL inputs and CMOS outputs, ensuring broad integration possibilities.
  • Robust design suitable for both educational and industrial environments.

Applications

The SN74LS90N is extensively used in various fields such as industrial automation, consumer electronics, and educational projects. Its ability to perform reliable counting and frequency division makes it ideal for applications like digital clocks, event counters, and frequency dividers. In industrial settings, it is often employed in control systems and monitoring equipment where precise counting is crucial.

Q & A

What is the operating voltage range of the SN74LS90N?

The operating voltage range is from 4.75 V to 5.25 V.

Can the SN74LS90N be used in high-temperature environments?

Yes, it can operate in temperatures up to 70°C.

What type of package does the SN74LS90N come in?

It comes in a 14-pin PDIP package.

Is the SN74LS90N compatible with CMOS outputs?

Yes, it is compatible with CMOS outputs.

What are the primary applications of the SN74LS90N?

Primary applications include digital clocks, event counters, and frequency dividers.

Does the SN74LS90N support asynchronous reset?

Yes, it supports asynchronous reset functionality.

What is the maximum frequency the SN74LS90N can handle?

It can handle frequencies up to 42 MHz.

Is the SN74LS90N suitable for educational purposes?

Yes, its robust design and ease of use make it suitable for educational projects.

What logic family does the SN74LS90N belong to?

It belongs to the LS logic family.

Can the SN74LS90N function as a binary counter?

Yes, it can function as both a binary and decimal counter.

Product Attributes

Logic Type:Counter, Decade
Direction:Up
Number of Elements:1
Number of Bits per Element:4
Reset:Asynchronous
Timing:- 
Count Rate:42 MHz
Trigger Type:Negative Edge
Voltage - Supply:4.75 V ~ 5.25 V
Operating Temperature:0°C ~ 70°C
Mounting Type:Through Hole
Package / Case:14-DIP (0.300", 7.62mm)
Supplier Device Package:14-PDIP
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Similar Products

Part Number SN74LS90N SN74LS92N SN74LS93N SN74LS390N SN74LS490N SN74LS590N SN74LS90D
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Rochester Electronics, LLC Texas Instruments onsemi
Product Status Active Active Active Active Active Active Obsolete
Logic Type Counter, Decade Divide-by-12 Binary Counter Counter, Decade - Binary Counter Counter, Decade
Direction Up Up Up Up - Up Up
Number of Elements 1 1 1 2 - 1 1
Number of Bits per Element 4 4 4 4 - 8 4
Reset Asynchronous Synchronous Asynchronous Asynchronous - Asynchronous Asynchronous
Timing - - - - - - -
Count Rate 42 MHz 42 MHz 42 MHz 35 MHz - 35 MHz 42 MHz
Trigger Type Negative Edge Positive Edge Positive Edge Negative Edge - Positive Edge Negative Edge
Voltage - Supply 4.75 V ~ 5.25 V 4.75 V ~ 5.25 V 4.75 V ~ 5.25 V 4.75 V ~ 5.25 V - 4.75 V ~ 5.25 V 4.75 V ~ 5.25 V
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C - 0°C ~ 70°C 0°C ~ 70°C
Mounting Type Through Hole Through Hole Through Hole Through Hole - Through Hole Surface Mount
Package / Case 14-DIP (0.300", 7.62mm) 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)
Supplier Device Package 14-PDIP 14-PDIP 14-PDIP 16-PDIP - 16-PDIP 14-SOIC

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