SN74LS390N - Texas Instruments

Manufacturer Part Number

SN74LS390N

Manufacturer

Texas Instruments

Introduction

The SN74LS390N is a dual 4-bit decade counter designed for use in counting applications and is part of the 74LS logic family.

Product Features and Performance

Dual 4-bit decade configuration

Up counting mode

Independent asynchronous master reset for each counter

Can be cascaded with multiple SN74LS390N devices

Fast count rate of up to 35 MHz

Product Advantages

Reliable TTL (Transistor-Transistor Logic) technology

High noise immunity

Compatible with other 74LS family devices

Key Technical Parameters

Logic Type: Counter, Decade

Direction: Up

Number of Elements: 2

Number of Bits per Element: 4

Reset: Asynchronous

Count Rate: 35 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: 16-DIP (0.300", 7.62mm)

Supplier Device Package: 16-PDIP

Quality and Safety Features

Standardized DIP package ensures ease of handling and soldering

Operating temperature range suitable for commercial electronics applications

Compatibility

Direct replacement for other standard 16-pin DIP 74LS390 devices

Compatible with TTL-level logic signals

Application Areas

Industrial automation

Timing circuits

Frequency division

Digital counters

Electronic gaming machines

Consumer electronics

Product Lifecycle

Product status: Active

Not nearing discontinuation

Replacements or upgrades are usually available in the same 74LS family

Several Key Reasons to Choose This Product

Fast counting capability suitable for high-speed applications

Low power consumption adhering to the 74LS standard

Guaranteed performance from a reputable manufacturer, Texas Instruments

Wide operating voltage range allowing for flexible design options

Easy integration into existing logic systems due to standardized logic levels

Longstanding industry use proving reliability and efficiency