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HV2321 Datasheet(PDF) 5 Page - Supertex, Inc |
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HV2321 Datasheet(HTML) 5 Page - Supertex, Inc |
5 / 8 page 5 HV2321 Supertex inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 Tel: 408-222-8888 www.supertex.com Truth Table D0 D1 D2 D3 D4 D5 D6 D7 LE CLR SW0 SW1 SW2 SW3 SW4 SW5 SW6 SW7 L L L Off H L L On L L L Off H L L On L L L Off H L L On L L L Off H L L On L L L Off H L L On L L L Off H L L On L L L Off H L L On L L L Off H L L On X X X X X X X X H L Hold Previous State X X X X X X X X X H All Switches Off Notes: 1. The eight switches operate independently. 2. Serial data is clocked in on the L to H transition of the CLK. 3. The switches go to a state retaining their present condition at the rising edge of LE. When LE is low the shift register data flow through the latch. 4. D OUT is high when data in the shift register 7 is high. 5. Shift register clocking has no effect on the switch states if LE is high. 6. The CLR clear input overrides all other inputs. Logic Timing Waveforms DATA IN LE CLK DATA OUT OFF ON V OUT (typ) 50% 50% 50% 50% t WLE t SD t SU t h 50% 50% t OFF 50% t DO t ON t WCL CLR D N+1 D N D N-1 50% 50% 90% 10% |
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Similar Description - HV2321 |
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