HV5122/HV5222
Functional Block Diagram
Strobe
Output Enable
HV
OUT
1
Data Input
HV
OUT
2
Clock
•
•
•
28 Additional
Outputs
•
•
•
HV
OUT
31
32 bit
Static Shift
Register
HV
OUT
32
Data Out
Function Table
Inputs
Function
All on
All off
Load S/R
Output enable
Data In
X
X
H or L
X
CLK
X
X
↓
Outputs
OE
X
L
L
H
Strobe
L
H
H
H
Shift Reg
1 2…32
*
*
*…*
*…*
HV Outputs
1
2…32
ON
OFF
OFF
ON or OFF
ON…ON
OFF…OFF
OFF…OFF
Data Out
*
*
*
H or L *…*
H or L *…*
H or L
*…*
*
Notes:
X = Don’t care
* = Dependent on previous stage’s state before the last CLK : High to low transition.
↓
= High to low transition
H = High level
L = Low level
4