參數(shù)資料
型號: HT1622
廠商: Holtek Semiconductor Inc.
英文描述: RAM Mapping 32 x 8 LCD Controller for I/O μC(存儲器映射、用于I/O接口微機的32 x 8模式LCD控制器)
中文描述: 內(nèi)存映射32 × 8 LCD控制器的I / O微控制(存儲器映射,用于的I / O接口微機的32 × 8模式液晶顯示控制器)
文件頁數(shù): 6/17頁
文件大?。?/td> 147K
代理商: HT1622
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
80
210
A
5V
135
415
A
I
DD2
Operating Current
3V
No load/LCD OFF
On-chip RC oscillator
8
30
A
5V
20
55
A
I
STB
Standby Current
3V
No load
Power down mode
1
8
A
5V
2
16
A
V
IL
Input Low Voltage
3V
DATA, WR, CS, RD
0
0.6
V
5V
0
1.0
V
V
IH
Input High Voltage
3V
DATA, WR, CS, RD
2.4
3
V
5V
4.0
5
V
I
OL1
BZ, BZ, IRQ
3V
V
OL
=0.3V
0.9
1.8
mA
5V
V
OL
=0.5V
1.7
3
mA
I
OH1
BZ, BZ
3V
V
OH
=2.7V
0.9
1.8
mA
5V
V
OH
=4.5V
1.7
3
mA
I
OL1
DATA
3V
V
OL
=0.3V
200
450
A
5V
V
OL
=0.5V
250
500
A
I
OH1
DATA
3V
V
OH
=2.7V
200
450
A
5V
V
OH
=4.5V
250
500
A
I
OL2
LCD Common Sink Current
3V
V
OL
=0.3V
15
40
A
5V
V
OL
=0.5V
100
200
A
I
OH2
LCD Common Source Current
3V
V
OH
=2.7V
15
30
A
5V
V
OH
=4.5V
45
90
A
I
OL3
LCD Segment Sink Current
3V
V
OL
=0.3V
15
30
A
5V
V
OL
=0.5V
70
150
A
I
OH3
LCDSegmentSourceCurrent
3V
V
OH
=2.7V
6
13
A
5V
V
OH
=4.5V
20
40
A
R
PH
Pull-high Resistor
3V
DATA, WR, CS, RD
100
200
300
k
5V
50
100
150
k
HT1622
6
January 10, 2001
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