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參數(shù)資料
| 型號(hào)： | MIC8030-01CV |
| 廠商： | MICREL INC |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | High-Voltage Display Driver |
| 中文描述： | LIQUID CRYSTAL DISPLAY DRIVER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁(yè)數(shù)： | 2/5頁(yè) |
| 文件大?。?/td> | 62K |
| 代理商： | MIC8030-01CV |
October 1998
8-17
MIC8030
MIC8030
Pin Configuration
Micrel
8
For displays with more than 38 segments, two or more
MIC8030 may be cascaded by connecting DATA OUT of the
previous stage with DATA IN of the next stage; CLOCK,
LOAD and CHIP SELECT of all following stages should be
tied to the control lines of the first MIC8030. The backplane
output of the first stage should be tied to LCD
φ
of all following
stages, the LCD
φ
OPT must be left unconnected on those
stages. If the internal oscillator is used, and V
BB
> 50V then
an external 330 k
resistor must be used between the
BACKPLANE of the first stage and LCD
φ
of all following
stages.
Packaging options available include DATA OUT 30, 32 or 38
with the corresponding number of segments, and the avail-
ability of LCD
φ
OPT. Types of packages include plastic and
ceramic DIPs, surface mount packages, plastic and ceramic
Leadless Chip Carriers and custom packaging.
Functional Description
With CHIP SELECT tied low, serial data is clocked into the
shift register at each falling edge of the CLOCK input. Pulling
LOAD high will cause a parallel loading of the shift register
contents into the latches. If load is left high, the latches are
transparent.
A logic “1” clocked into the shift register corresponds to that
segment being on, and that segment is out of phase with the
backplane.
The backplane may be externally driven or the internal
oscillator can be used. If LCD
φ
is externally driven, the
backplane will be in phase with the input; LCD
φ
OPT is not
connected. The internal oscillator is used by shorting LCD
φ
OPT to LCD
φ
, connecting a capacitor to ground, and a
resistor to V
CC
. The frequency of the backplane will be 1/256
of the input frequency, and is given as: f = 10/[R(C + .0002)]
at V
DD
= 5V, R in k
, C in
μ
F.
Example: R = 150 k
, C = 420 pF: f = 108 Hz
1
2
3
4
5
6
7
4
4
4
4
8
S
MIC8030-01
9
10
11
12
13
14
15
16
17
1
1
2
2
2
2
2
4
2
2
2
2
Chip Select
D
L
L
S
S
S
S
S
S
S
Seg 28
Seg 29
Seg 30
Seg 31
Seg 32
SS
V
C
V
D
B
Seg 17
Seg 16
Seg 15
Seg 14
Seg 13
Seg 12
Seg 11
Seg 10
Seg 9
Seg 8
S
S
S
S
BB
V
S
N
S
39
38
37
36
35
34
33
32
31
30
29
S
Clock
Load
Seg 27
Seg 26
44-Pin PLCC (-V)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MIC8030 | High-Voltage Display Driver(高電壓LCD顯示驅(qū)動(dòng)器) |
| MIC809 | Microprocessor Reset Circuit(微處理器復(fù)位電路（監(jiān)視基于微處理器系統(tǒng)的電源）) |
| MIC810 | Microprocessor Reset Circuit(微處理器復(fù)位電路（監(jiān)視基于微處理器系統(tǒng)的電源）) |
| MIC809_U | 20000 SYSTEM GATE 3.3 VOLT LOGIC CELL AR - NOT RECOMMENDED for NEW DESIGN |
| MIC810_U | 20000 SYSTEM GATE 3.3 VOLT LOGIC CELL AR - NOT RECOMMENDED for NEW DESIGN |
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