HV219FG-GM931 데이터 시트보기 (PDF) - Supertex Inc
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HV219FG-GM931 Datasheet PDF : 9 Pages
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HV219
Truth Table
D0
Data in 8-Bit Shift Register
D1 D2 D3 D4 D5 D6
D7
LE
CL
SW0 SW1
Output Switch State
SW2 SW3 SW4 SW5
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
H
LL
LL L
HL L
XXXXXXXX H L
Hold Previous State
X X X X X X X X X H 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 clock.
3. The switches go to a state retaining their present condition at the rising edge of the LE.
4. When LE is low, the shift register data flows through the latch.
5. Shift register clocking has no effect on the switch states if LE is high.
6. The clear input overrides all other inputs.
SW6
OFF
ON
OFF
SW7
OFF
ON
OFF
Logic Timing Waveforms
DN+1
DN
DN-1
DATA
IN
50%
50%
Doc.# DSFP-HV219
C070713
LE
CLOCK
DATA
OUT
VOUT
(typ)
OFF
ON
CLR
50%
50%
tSU
50%
tWLE
tSD
50%
th
tDO
50%
tOFF
90%
50%
tWCL
5
50%
tON
10%
Supertex inc.
www.supertex.com
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