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參數(shù)資料
| 型號(hào)： | AS2590 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 英文描述： | LC DISPLAY DRIVER WITH 18 DIGITS, 6 SYMBOLS AND CLOCK/TIMER |
| 中文描述： | 立法會(huì)顯示驅(qū)動(dòng)器，帶有18個(gè)數(shù)字，符號(hào)和6時(shí)鐘/計(jì)時(shí)器 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 78K |
| 代理商： | AS2590 |
7
Data Sheet
AS2590
Rev. 1
Dec. 1993
Electrical Characteristics
Absolute Maximum Ratings
Positive Supply Voltage...................................................................................................................-0.3V
≤
V
DD
≤
7V
Input Current ................................................................................................................................................
±
25 mA
Digital Input Voltage .....................................................................................................V
SS
- 0.3V
≤
V
IN
≤
V
DD
+ 0.3V
Electrostatic Discharge (HBM)........................................................................................................................
±
500V
Storage Temperature......................................................................................................................-65
°
C to +125
°
C
Recommended Operating Conditions
Supply Voltage ..............................................................................................................................2.5V
≤
V
DD
≤
5.5V
Oscillator Frequency ...............................................................................................................................32.768 kHz
Operating Temperature....................................................................................................................- 25
°
C to +70
°
C
DC Characteristics
(Default conditions: recommended operating conditions; outputs unloaded; V
DD
= 3.0V)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Test circuit fig. 5
I
DD0
I
DD
Standby Current
no clock running
1.5
μ
A
μ
A
Operating Current
T
AMB
= 5 to 55
°
C
Note 1, note 2
30
50
V
IL
V
IH
V
LCD
Input Voltage, Low
V
SS
0.2 V
DD
V
DD
0.4
V
Line Voltage, High
0.8 V
DD
V
Output Voltage, Sink
I
LCD
= 4.8 mA
V
R
BIAS
Oscillator Bias Resistor
2.2
M
Note 1: Segment and backplane outputs loaded with maximum 30 pF, power consumption of external voltage divider not
included, R
BIAS
= 2.2 M
±
10%.
Note 2: Xtal parameters:
Rimax = 60 k
(Rityp = 30 k
)
Qmin = 35 000
Co = 1.5 pF (capacitance across Xtal terminals)
fxtal = 32.768 kHz
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