RED50

LSI/CSI UL ® RED SERIES (631) 271-0400 FAX (631) 271-0405 LSI Computer Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747 A3800 AC LINE FREQUENCY DIVIDERS July 2000 RED SERIES RED 5/6 Divide by 5 or 6 RED 50/60 Divide by 50 or 60 RED 100/120 Divide by 100 or 120 RED 300/360 Divide by 300 or 360 RED 500/600 Divide by 500 or 600 RED 3000/3600 Divide by 3000 or 3600 FEATURES: Clock input pulse shaper accepts 50Hz/60Hz sine wave directly Fully static counter operation +4.5V to +15V operation (VDD - VSS) Low power dissipation High noise immunity Reset Input Enable 50Hz/60Hz division select input Output low power TTL compatible at +4.5V operation Square Wave Output (except for ÷ 5) RED x/y (DIP); RED x/y-S (SOIC) See Figure 1 APPLICATION: Time base generator from either 50Hz or 60Hz line frequency to produce: 10 pulses per second 1 pulse per second 1 pulse per 2 seconds 1 pulse per .1 minute 1 pulse per 10 seconds 1 pulse per minute (RED 5/6) (RED 50/60) (RED 100/120) (RED 300/360) (RED 500/600) (RED 3000/3600) PIN ASSIGNMENT - TOP VIEW LSI OUTPUT 1 8 V DD (V+) RESET 2 7 DIVISION SELECT V SS (-V) 3 6 ENABLE NC 4 5 CLOCK INPUT FIGURE 1 MARKING AS FOLLOWS: PART MARKING RED 5/6 RED 50/60 RED 100/120 RED 300/360 RED 500/600 RED 3000/3600 RED 6 RED 60 RED 120 RED 360 RED 600 RED 3600 DESCRIPTION OF OPERATION: The counter advances by one on each negative transition of the input clock pulse as long as the Enable signal is High and the ...