HV2203 데이터 시트보기 (PDF) - Supertex Inc
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HV2203 Datasheet PDF : 9 Pages
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HV2203
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. DOUT 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.
5
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