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
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Model | SN74LS90N | - | - |
| Category | Counter IC | - | - |
| Logic Family | LS | - | - |
| Counter Type | Decade/4-Bit Binary | - | - |
| Operating Voltage | 4.75 to 5.25 | V | - |
| Operating Temperature | 0 to 70 | °C | - |
| Package | PDIP-14 | - | - |
| Trigger Type | Negative Edge | - | - |
| Maximum Frequency | 42 | MHz | - |
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.
