Datasheet Specifications
- Part number
- LM2240
- Manufacturer
- National Semiconductor
- File Size
- 216.40 KB
- Datasheet
- LM2240_NationalSemiconductor.pdf
- Description
- Programmable Timer/Counter
Description
www.DataSheet4U.com LM2240 Programmable Timer Counter August 1990 LM2240 Programmable Timer Counter General .
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 ConnApplications
* (Monostable S1 Closed Astable S1 Open) Important Operating Information Ground connection is pin 9 Reset (R) (pin 10) sets all outputs HIGH Trigger (TRIG) (pin 11) sets all outputs LOW Time-base output (TBO) (pin 14) can be disabled by bringing the RC input (pin 13) LOW via a 1 0 kX resistor NormalLM2240 Distributors
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