LM2240 - Programmable Timer/Counter

National Semiconductor

LM2240 Datasheet Preview — Preview of LM2240 PDF

Datasheet Details

Part number	LM2240
Manufacturer	National Semiconductor ↗
File Size	216.40 KB
Description	Programmable Timer/Counter
Datasheet	LM2240_NationalSemiconductor.pdf

LM2240 Product details

Description

The LM2240 Programmable Timer Counter is a monolithic controller capable of both monostable and astable operation Monostable operation allows accurate microsecond to five day time delays Long delays up to three years can easily be generated by cascading two timers The timer consists of a time-base oscillator programmable 8-bit counter and control flip-flop An external resistor-capacitor (RC) network sets the oscillator frequency and allows delay times from 1 RC to 255 RC to be selected In the as

Features

Y Y Y Y Y Y Y Y Accurate timing from microseconds to days Programmable delays from 1 RC to 255 RC TTL and CMOS compatible outputs Timing directly proportional to RC time constant High accuracy External sync and modulation capability Wide supply voltage range Excellent supply voltage rejection Connection Diagram 16-Lead Molded DIP TL H 10837.
1 Top View See NS Package Number N16E Order Number LM2240N C1995 National Semiconductor Corporation TL H 10837 RRD-B30M115 Printed in U S A.

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Published: Aug 28, 2007 |