HV7620(2013) Ver la hoja de datos (PDF) - Supertex Inc
Número de pieza
componentes Descripción
Fabricante
HV7620 Datasheet PDF : 7 Pages
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Function Table
Inputs
Function
DINA DINB DINC DIND CLK LE DIR BLA BLB BLC BLD CS POL A
HV7620
HVOUT
BCD
All O/P High X
X
X
X
X
X
X
X
X
X
X
L
L HHHH
All O/P Low X
X
X
X
X
X
X
X
X
X
X
L
H
L
L
L
L
“A”†
Outputs
XXXXXXX
L
XXXXHL
*
*
*
Low
Normal
Polarity
XXXXXXXHHHHHH
No Inversion
Outputs
Inverted
X
X
X
X
X
X
X
HHHHH
L
Inversion
Transparent
Mode
H
L
L
L
↑
H
X
HHHHHHHL
L
L
Data Stored X
X
X
X
X
L
X
H
H
H
H
H
H
Stored data
Shift CWA X
X
X
X
↑
H
H
H
H
H
H
H
AN
BN
CN
DN
X →→→→
AN+1 BN+1 CN+1 DN+1
Shift CCWB X
X
X
X
↑
H
L
H
H
H
H
H
AN
BN
CN
DN
X →→→→
AN-1
BN-1
CN-1
DN-1
Notes:
H = High level, L = Low level, X = Irrelevant, ↑ = Low to high transition.
* = Dependent on previous stage’s state before the last CLK ↑ for last LE high.
† = BLB, BLC and BLD will have similar effect on their respective output.
Power-up sequence:
1. GND (HV, LV)
2. VDD1
3. VDD2
4. VPP
5. Logic Input Signals
To power down reverse the sequence above.
Doc.# DSFP-HV7620
C112213
Supertex inc.
5
www.supertex.com
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