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UL
®
LSI/CSI
LSI Computer Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747
TRIGGER CLOCK SELECT OSCILLATOR EXTERNAL CLOCK V DD (-V)
LS7210
(631) 271-0400 FAX (631) 271-0405
February 1998
PIN ASSIGNMENT - TOP VIEW
A3800
PROGRAMMABLE DIGITAL DELAY TIMER
FEATURES: • Programmable Delay from 6 ms to "Infinity" • Can be Cascaded for Sequential Events or Extended Delay • +4.75V to +15V Operation (Vss -VDD) • On Chip Oscillator or External Clock time base • High Noise Immunity • LS7210 (DIP), LS7210-S (SOIC)-See Figure 1 DESCRIPTION: The LS7210 is a monolithic MOS integrated circuit programmable digital timer that can generate a delay in the range of 6ms to infinity. The delay is programmed by 5 binary weighted input bits in combination with the time base provided.