HV214 データシートの表示（PDF） - Supertex Inc
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HV214 Datasheet PDF : 7 Pages
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Operating Conditions
Symbol
VDD
VPP
VNN
VIH
VIL
VSIG
TA
Parameter
Logic power supply voltage
Positive high voltage supply
Negative high voltage supply
High-level input voltage
Low-level input voltage
Analog signal voltage peak to peak
Operating free air-temperature
Value
4.5V to 13.2V
40V to VNN+ 250V
-40V to -210V
VDD -1.5V to VDD
0V to 1.5V
VNN +10V to VPP -10V
0°C to 70°C
Power Up/Down Sequence:
1 Power up/down sequence is arbitrary except GND must be powered-up first and powered-down last.
2 VSIG must be VNN ≤ VSIG ≤ VPP or floating during power up/down transistion.
3 Rise and fall times of power supplies VDD, VPP, and VNN should not be less than 1.0msec.
HV214
Truth Table
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
LL
ON
L
LL
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→ 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. DOUT is high when switch 7 is on.
5. Shift register clocking has no effect on the switch states if LE is H.
6. The clear input overrides all other inputs.
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