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LS7211 Datasheet

Part NameDescriptionManufacturer
LS7211 PROGRAMMABLE DIGITAL DELAY TIMER LSI
LSI Corporation  LSI
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LS7211 image

DESCRIPTION:
The LS7211/LS7212 are monolithic CMOS integrated circuits for generating digitally programmable delays. The delay is controlled by 8 binary weighted inputs, WB0-WB7, in conjunction with an applied clock or oscillator frequency.

FEATURES:
• 8-bit programmable delay from nanoseconds to days
• On chip oscillator (RC or Crystal) or external clock time base
• Selectable prescaler for real time delay generation based on 50Hz/60Hz time base or 32.768KHz watch crystal
• Four operating modes
• Reset input for delay abort
• Low quiescent and operating current
• Direct relay drive
• +4V to +18V operation (VDD-VSS)
• LS7211/LS7212 (DIP), LS7211-S/LS7212-S (SOIC)-See Figure 1

 

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