What is LM393?

This electronic component, produced by the manufacturer "American First Semiconductor", performs the same function as "Low Power Offset Voltage Dual Comparators".

LM393 Datasheet PDF - American First Semiconductor

Part Number LM393
Description Low Power Offset Voltage Dual Comparators
Manufacturers American First Semiconductor 
Logo American First Semiconductor Logo 

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Low Power Offset Voltage Dual Comparators
The LM393 consists of two independent voltage comparators.
These were designed specifically to operate from a single
power supply over a wide range of voltages. Operation from
split power supplies is also possible and the low power supply
curr ent drain is independent of the magnitude of the power
supply voltage. The outputs can be connected to other open
-collector outputs to achieve wired-AND relationships
The LM393 series are available in 2 Packages:
DIP-8 and SOP-8.
Package outline
Wide supply voltage range
Low supply current drain independent of supply woltage
Low input biasing current
Low input offset current
Low input offset voltage
Input common-mode voltage range includes GND
Differential input voltage range equal to the power supply
Low output saturation voltage
Output voltage compatible with TTL, MOS and CMOS logic
Pin Configurations
Battery Charger
Cordless Telephone
Switching Power Supply
DC-DC Module
PC Motherboard
Communication Equipment
Top View
@ 2010 Copyright By American First Semiconductor
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LM393 equivalent
Mechanical Dimensions
SOP-8 Mechanical DATA
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LM393 datasheet

1. Dual Comparator - National

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