National Semiconductor LMC555 CMOS Timer Datasheet

This document introduces the characteristics and features of the LMC555 CMOS timer


National Semiconductor LMC555 CMOS Timer Datasheet - cover page
Brand
National Semiconductor
Document type
Datasheet
Language
English
Pages
12
File format
PDF
File size
316 KB
Published
06 July, 2012
Updated
01 October, 2023
Model
LMC555
MD5 checksum
560075A7AC4CBBAEA7C6CA3098D715C9

About this manual

The document is a technical datasheet for the LMC555, a CMOS version of the industry-standard 555 series general-purpose timers. It highlights features such as low power dissipation (less than 1 mW typical at 5V), a maximum astable frequency capability of 3 MHz, and operation down to a guaranteed supply voltage of 1.5V.

What's inside

  • General Description
  • Features
  • Ordering Information
  • Absolute Maximum Ratings
  • Operating Ratings
  • Electrical Characteristics
  • Monostable Operation
  • Astable Operation
  • Frequency Divider
  • Pulse Width Modulator

Specifications

Typical Power Dissipation (5V)< 1 mW
Maximum Astable Frequency3 MHz
Minimum Supply Voltage1.5V

Frequently asked questions

What is the maximum frequency capability of the LMC555?

The device has a maximum astable frequency capability of 3 MHz.

Is the LMC555 compatible with TTL logic levels?

Yes, the output is fully compatible with TTL and CMOS logic at a 5V supply.

What are the available package types?

The LMC555 is available in SOIC, MSOP, MDIP, and an 8-Bump micro SMD package.

Download PDF (316 KB)

More National Semiconductor Manuals


View all National Semiconductor manuals →