HV220 Datasheet, PDF (3/12 Pages) Supertex, Inc – Low Charge Injection 8-Channel High Voltage Analog Switches

Truth Table
HV220/HV20220/HV20320
D0 D1 D2 D3 D4 D5 D6 D7 LE CL SW0 SW1 SW2 SW3 SW4 SW5 SW6 SW7
L
L L OFF
H
L L ON
L
LL
OFF
H
LL
ON
L
LL
OFF
H
L
LL
LL
ON
OFF
H
LL
ON
L
LL
OFF
H
LL
ON
L
LL
OFF
H
LL
ON
L
LL
OFF
H
LL
ON
L LL
OFF
HLL
ON
X XXX X XXX H L
HOLD PREVIOUS STATE
X X X X X X X X X H OFF OFF OFF OFF OFF OFF OFF OFF
Notes:
1. The eight switches operate independently.
2. Serial data is clocked in on the L to H transition 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 flows through the latch.
4. D_OUT is high when data in shift register 7 is high.
5. Shift register clocking has no effect on the switch states if LE is H.
6. The clear input overrides all other inputs.
B021706
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