NE555 vs LM555?

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KAKU
Posts: 5
Joined: 11 Aug 2021, 21:46
Location: Shenzhen, Guangdong
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NE555 vs LM555?

#1 Post by KAKU » 17 Jan 2022, 15:37

Hello! This is small talk about NE555 and LM555.
In fact, many people ask what difference between NE555 and LM555, or are they interchangeable?
After reading an article(https://www.utmel.com/components/lm555- ... 55?id=1111) which talks about their differences, in my opinion, they are from different manufacturers but have the same model.
The prefix of the integrated circuit represents the manufacturer, the middle number is the model code, and the suffix generally represents the temperature, package and other characteristics.
The functions of NE555 and LM555 are exactly the same, except that the former was produced by the NEC Corporation of Japan in the early days, while the LM was originally produced by the National Semiconductor Corporation of the United States.
Good listening, welcome your ideas!
Continued to searching something new in electronic:
https://www.utmel.com/components/ds3231 ... uit?id=389 :D

oladillard
Posts: 2
Joined: 11 Jul 2023, 10:35

Re: NE555 vs LM555?

#2 Post by oladillard » 11 Jul 2023, 10:41

Here are some differences between NE55 and LM55 I found:
1. Pin Configurations - The pinout and order of the pins is slightly different between the NE555 and LM555. The functions of the pins are the same, but they are in a different arrangement. This means the physical chips are not pin-compatible and cannot be directly swapped.
2. Electrical Performance - The LM555 generally has slightly better electrical characteristics and performance metrics like timing accuracy, power consumption, input leakage current, etc. It is considered the higher grade version.territorial io
3. Longevity - The NE555 design has been around since 1972, while the LM555 was introduced in 1985. Both are still in production today.

erintse01
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Joined: 19 Jul 2023, 20:48
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Re: NE555 vs LM555?

#3 Post by erintse01 » 19 Jul 2023, 20:51

In most situations, they are equivalent, but they also have tiny differences,
In this article, you could found the answer:) https://www.avaq.com/technology/lm555-v ... ifferences

Hope it helps!

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