參數(shù)資料
型號(hào): HV5812WG
廠商: SUPERTEX INC
元件分類: 顯示驅(qū)動(dòng)器
英文描述: 20-Channel Serial-Input Vacuum-Fluorescent Display Driver for Anode/Grid
中文描述: VACUUM FLUOR DISPLAY DRIVER, PDSO28
封裝: SOW-28
文件頁(yè)數(shù): 4/6頁(yè)
文件大小: 453K
代理商: HV5812WG
4
HV5812
Block Diagram
Function Table
Blanking
Strobe
Data In
Clock
Data Out
20-bit
Shift
Register
20-bit
Latch
V
PP
HV
OUT
1
HV
OUT
2
HV
OUT
3
HV
OUT
20
GND
V
DD
Serial
Data
Input
Clock
Input
Shift Register Contents
Serial
Data
Output
Strobe
Input
Latch Content
Blanking
Output Content
I
1
H
I
2
R
1
R
1
R
2
X
I
3
... I
N-1
R
2
... R
N-2
R
N-1
R
2
... R
N-2
R
N-1
R
3
... R
N-1
R
N
X ... X
I
N
I
1
I
2
I
3
... I
N-1
I
N
I
1
I
2
I
3
... I
N-1
I
N
H
L to H
R
N-1
R
N-1
R
N
X
L
L to H
L
X
H to L
R
1
X
X
L
R
1
P
1
X
R
2
P
2
X
R
3
... R
N-1
R
N
P
3
... P
N-1
P
N
X ... X
P
1
P
2
P
3
... P
N-1
P
N
P
N
H
L
P
1
P
2
L
P
3
... P
N-1
P
N
L ... L
X
H
L
L
Note:
L = Low Logic Level
H = High Logic Level
X = Irrelevant
P= Present State
R = Previous State
Timing Diagram
CLK
Data In
Strobe
Blanking
HV
OUT
t
pwclk
t
pws
t
PHL
t
f
t
r
t
PLH
t
su
50%
50%
50%
90%
90%
10%
50%
10%
t
h
t
pwd
t
cks
t
sto
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