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參數(shù)資料
| 型號(hào)： | HV623PG |
| 廠商： | SUPERTEX INC |
| 元件分類(lèi)： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | 32-Channel 128-Level Amplitude Gray-Shade Display Column Driver |
| 中文描述： | EL DISPLAY DRIVER, PTFP64 |
| 封裝： | PLASTIC, QFP-64 |
| 文件頁(yè)數(shù)： | 5/10頁(yè) |
| 文件大?。?/td> | 64K |
| 代理商： | HV623PG |
12-126
Functional Block Diagram
Output
Stage
Latches and
Comparators
Latches and
Comparators
Latches and
Comparators
Latches and
Comparators
Load
Count
CC
Clear
Dual
16-bit
Shift Registers
V
R
GND
V
PP
HV
OUT
1
Output
Stage
HV
OUT
2
Data In
Buffers
HV
OUT
31
V
CTL
R
CTL
Output
Stage
Counter
Reset
Counter
HV
OUT
32
Data
Latches
Data
Latches
Data
Latches
Data
Latches
RS
F/F
RS
F/F
RS
F/F
RS
F/F
7
7
7
7
7
7
7
7
7
L/E
L/E
L/E
L/E
Clear
Pulse
Generator
Load
Count
Buffer
Count
Clock
Buffer
SC
L
C
SC
SC
Shift
Clock
Buffer
CSI
I/O
Buffers
CC
LC
D1
D7
DIR
CSO
I/O
Buffers
See Output Stage Detail
Output
Stage
1
2
31
32
SC = Shift Clock
LC = Load Count
CC = Count Clock
CSI = Chip Select Input
CSO = Chip Select Output
*Strobe = twice the SC frequency
Logic
70V
HV623
0V
Output
Stage
V
R
HVGND
LVGND
V
PP
= 80V
+
HV
OUT
1K
V
tst
-
10K
+
1. Set HV
OUT
= Low.
2. Apply V
PP
= 80V.
3. Apply a step voltage of 70V at V
R
(slew rate = 4.1V/
μ
s).
4. Measure voltage across the 1K
resistor.
5. Output source current can be calculated by using V
tst .
1K
Internal
Logic
&
Bias
Circuit
V
CTL
R
CTL
V
R
V
PP
C
H
Q
Q
2
HV
OUT
Test Circuit
High-voltage Analog Output Source Current (I
AOH
)
For gray shade #1 (000 0000)
Output Stage Detail
HV623
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