HV9808_14 Datasheet, PDF (4/7 Pages) Supertex, Inc – 32-Channel Serial to Parallel Converter With High Voltage Push-Pull Outputs

Switching Waveforms
DATA INPUT
50%
CLOCK
50%
DATA OUT
Latch Enable
HV_OUT
w/ S/R LOW
HV_OUT
w/ S/R HIGH
Data Valid
t_SU
t_H
50%
50%
50%
t_WL
t_WH
50%
t_DLH
50%
t_DHL
50%
50%
t_DLE
t_WLE
t_SLE
90%
10%
t_OFF
10%
t_ON
90%
HV9808
V_IH
V_IL
V_IH
50%
V_IL
V_OH
V_OL
V_OH
V_OL
V_OH
V_OL
V_OH
V_OL
V_OH
V_OL
Function Table
Inputs
Function
Data CLK
LE
BL POL
All on
X
X
X
L
L
All off
X
X
X
L
H
Invert mode
X
X
L
H
L
Load S/R
H OR L
↑
L
H
H
Load latches
X
X
↑
H
H
X
X
↑
H
L
Transparent latch
L
mode
H
↑
H
H
H
↑
H
H
H
Notes:
H = high level, L = low level, X = irrelevant, ↑ = low-to-high transition
• = dependent on previous stage’s satte before the last CLK or last LE high.
Shift Reg
1 2...8
● ●...●
● ●...●
● ●...●
H or L ●...●
● ●...●
● ●...●
L ●...●
H ●...●
Outputs
HV Outputs
1 2...8
H H...H
L L...L
● ●...●
● ●...●
● ●...●
● ●...●
L ●...●
H ●...●
Data Out
●
●
●
●
●
●
●
●
●
Doc.# DSFP-HV9808
B032714
Supertex inc.
4
www.supertex.com