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 o
Features
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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.
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Top View See NS Package Number N16E Order Number LM2240N
C1995 National Semiconductor Corporation
TL H 10837
RRD-B30M115 Printed in U S A.
LM2240 Datasheet
