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LM555CN

555 integrated circuit

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LM555CN General Description

The LM555CN is a highly reliable controller that generates precise timing pulses. In monostable mode, an external resistor and capacitor determine the time delay. In astable mode, frequency and duty cycle are accurately managed using two external resistors and a capacitor.

LM555CN Pinout

LM555CN Pinout

Pinout Description

Pin Number Pin Name Description
1 GND Ground (0V reference)
2 TRIG External trigger input
3 OUT Output
4 RESET Reset input (active low)
5 CTRL Control voltage input (for timing)
6 THRS Threshold input
7 DISCH Discharge terminal for timing capacitor
8 VCC Positive supply voltage (usually 5V)

lm555cn lm555cn

Key Features

  • Timing from microseconds through hours
  • Operates in both a stable and monostable modes
  • Adjustable duty cycle
  • Output can source or sink 200mA
  • Output and supply TTL compatible
  • Temperature stability better than 0.005% per °C
  • Normally on and normally off output

LM555CN Datasheet

Download LM555CN Datasheet PDF here>>

LM555CN VS LM555N

Feature LM555CN LM555N
Part Life Cycle Code Obsolete Obsolete
Package Description DIP, DIP8,.3 DIP, DIP8,.3
Reach Compliance Code Compliant Not Compliant
ECCN Code EAR99 EAR99
HTS Code 8542.39.00.01 8542.39.00.01
Operating Temperature-Max 70 °C 125 °C
Operating Temperature-Min -55 °C -55 °C
Package Equivalence Code DIP8,.3 DIP8,.3
Seated Height-Max 5.33 mm 5.33 mm
Supply Voltage-Nom (Vsup) 5 V 5 V
Terminal Finish Tin (Sn) Tin/Lead (Sn/Pb)
Terminal Form Through-Hole Through-Hole
Terminal Pitch 2.54 mm 2.54 mm
lm555cn lm555cn

Application

  • Precision timing
  • Pulse generation
  • Delay generation
  • Sequential timing

Circuit

LM555CN circuit

Block Diagram

Block Diagram

 

lm555cn lm555cn

Specifications

Status Obsolete Case Outline 751EB
MSL Temp (°C) 260 Container Type TUBE
Product Category Timers & Support Products Series LM555
Type Standard Number of Internal Timers 1 Timer
Supply Voltage - Max 16 V Supply Voltage - Min 4.5 V
Minimum Operating Temperature 0 C Maximum Operating Temperature + 70 C
Mounting Style Through Hole Height 3.4 mm
High Level Output Current 50 mA Length 9.2 mm
Low Level Output Current - 200 mA Pd - Power Dissipation 600 mW
Product Type Timers & Support Products Factory Pack Quantity 3000
Subcategory Clock & Timer ICs Width 6.4 mm
Part # Aliases LM555CN_NL Unit Weight 0.015873 oz

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Ratings and Reviews

More
B
B**r 07/25/2023

Delivery-12 days!!!! All as in the photo. The seller is excellent, i recommend.

8
S
S**d 04/18/2023

I ordered 2 pieces, got 1 piece. i ordered 2 pieces, i got 1 piece.

6
J
J**n 08/18/2021

Everything is fine. thanks to the seller. everything corresponds to the description.

4
Z
Z**y 08/16/2020

Just great. Very entertaining the kit and the result was expected.

3

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LM555CN Datasheet PDF

Preliminary Specification LM555CN PDF Download

LM555CN PDF Preview

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