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參數(shù)資料
| 型號(hào)： | HT1670 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 128x32 LCD Controller for I/O MCU |
| 中文描述： | 128x32 LCD控制器的I / O控制器 |
| 文件頁(yè)數(shù)： | 6/19頁(yè) |
| 文件大?。?/td> | 174K |
| 代理商： | HT1670 |
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D.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Operating Voltage
2.7
5.2
V
I
DD1
Operating Current
3V
No load/LCD ON
On-chip RC oscillator
150
250
A
5V
250
370
A
I
DD2
Operating Current
3V
No load/LCD ON
Crystal oscillator
135
200
A
5V
200
300
A
I
DD11
Operating Current
3V
No load/LCD OFF
On-chip RC oscillator
15
30
A
5V
50
70
A
I
DD22
Operating Current
3V
No load/LCD OFF
Crystal oscillator
2
10
A
5V
3
10
A
I
STB
Standby Current
3V
No load, Power down mode
1
A
5V
2
A
V
IL
Input Low Voltage
3V
DB0~DB3, WR, CS, RD
0
0.6
V
5V
0
1.0
V
V
IH
Input High Voltage
3V
DB0~DB3, WR, CS, RD
2.4
3
V
5V
4.0
5
V
I
OL1
BZ, BZ, IRQ Sink Current
3V
V
OL
=0.3V
1.2
2.5
mA
5V
V
OL
=0.5V
3
6
mA
I
OH1
BZ, BZ Source Current
3V
V
OH
=2.7V
0.9
1.8
mA
5V
V
OH
=4.5V
2
4
mA
I
OL2
DB0~DB3 Sink Current
3V
V
OL
=0.3V
1.2
2.5
mA
5V
V
OL
=0.5V
3
6
mA
I
OH2
DB0~DB3 Source Current
3V
V
OH
=2.7V
0.9
1.8
mA
5V
V
OH
=4.5V
2
4
mA
I
OL3
LCD Common Sink Current
3V
V
OL
=0.3V
80
160
A
5V
V
OL
=0.5V
180
360
A
I
OH3
LCD Common Source Current
3V
V
OH
=2.7V
40
80
A
5V
V
OH
=4.5V
90
180
A
I
OL4
LCD Segment Sink Current
3V
V
OL
=0.3V
50
100
A
5V
V
OL
=0.5V
120
240
A
I
OH4
LCD Segment Source Current
3V
V
OH
=2.7V
30
60
A
5V
V
OH
=4.5V
70
140
A
R
PH
Pull-high Resistor
3V
DB0~DB3, WR, CS, RD
150
250
350
k
5V
60
125
180
k
HT1670
Rev. 1.10
6
September 17, 2004
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