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LS7210 Datasheet(PDF) 4 Page - LSI Computer Systems |
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LS7210 Datasheet(HTML) 4 Page - LSI Computer Systems |
4 / 4 page 13 7 OUTPUT LATCH TIMER CONTROL LOGIC POR GENERATOR PRESCALER ÷ 1023 (SEE NOTE) CLOCK SELECT LOGIC LATCH LATCH LATCH 4 6 5 2 1 3 TRIGGER B A OSC CLOCK SELECT EXT CLOCK +V 8 9 10 11 12 +V FIGURE 5. LS7210 BLOCK DIAGRAM 14 OUT +V +V +V +V +V -V V SS V DD WB4 WB3 WB2 WB1 WB0 +V 2 NOTE: ÷ 1023 is standard. Any number from 1 to 1022 can be mask programmed. 7210-020298-4 B A TRIG CS OSC EXT CLK V DD V SS OUT WB0 WB1 WB2 WB3 WB4 FIGURE 6. ASYMMETRICAL FLASHER NOTE: Inputs A, B in Dual-Delay mode. For symmetical flasher tie Pins 8, 9, 10, 11 & 12 to fixed logic level. 8.068 s 323ms 68K 47K +V +V f = 3.17KHz .005µF 7 6 5 4 2 1 14 13 12 11 10 9 8 3 OUT OUT f |
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Similar Description - LS7210 |
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