as2591 austriamicrosystems, as2591 Datasheet - Page 9

• Manufacturer Part Number: as2591
• Description: 16-digit Lcd Driver Cmos Integrated Circuit
• Manufacturer: austriamicrosystems

Preliminary
Electrical Characteristics
Absolute Maximum Ratings*
Supply Voltage............................................................................................................................... -0.3
Input Current..........................................................................................................................................+/- 25 mA
Input Voltage.....................................................................................................................-0.3V
Electrostatic Discharge...........................................................................................................................+/- 1000V
Storage Temperature Range........................................................................................................... -65 to +125°C
Total Power Dissipation ............................................................................................................................ 500mW
*Exceeding these figures may cause permanent damage. Functional operation under these conditions is not permitted.
Recommended Operating Range
Symbol
V
V
T
f
DC Characteristics
Recommended operating conditions unless otherwise specified.
Symbol
I
I
V
V
V
* Typical figures are at 25°C and are for design aid only; not guaranteed and not subject to production testing.
Rev. 1.0
OSC
DD
DD0
AMB
DD
LCD
33
IL
IH
Parameter
Operating Voltage
LCD Reference Voltage
Ambient Operating Temp. Range
Oscillator Frequency
Parameter
Operating Supply Current
Idle Current
Contrast Output Voltage at
COM1-4 and S1-2_n Pins
Input Low Voltage
Input High Voltage
Conditions
Unloaded
Idle mode, oscillator not running
V
Contrast voltage low
Contrast voltage middle
Contrast voltage high
LCD
= 3.27V
Conditions
Page 9
0.7 V
Min.
V
Min.
SS
3.2
2.5
-25
DD
Typ.*
32.768
2.83
2.97
3.09
Typ.
4.0
3.0
0.3 V
V
Max.
Max.
150
IN
+70
4.8
3.5
V
1
DD
V
DD
AS2591
DD
V
May 1999
DD
Units
V
V
°C
kHz
Units
µA
µA
V
V
V
V
V
+ 0.3V
7V