AS1120 Ver la hoja de datos (PDF) - austriamicrosystems AG
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AS1120 Datasheet PDF : 13 Pages
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AS1120
Datasheet - Electrical Characteristics
6 Electrical Characteristics
Table 3. Electrical Characteristics
Symbol
Parameter
Conditions
Min Max Unit
VDD
Positive Supply Voltage
+3.0 +5.5 V
TAMB
Ambient Temperature
Verify that the LCD is compatible with the desired
temperature range
-40
85
ºC
IDD
Supply Current
fBPL =50Hz, output not connected, TAMB = 25ºC 5
µA
fOSC
Oscillator Frequency
Bpfreq = fOSC/16
0.5 100 kHz
CSEG
Segment Capacitance
300 pF
CBP
Backplane Capacitance
50 nF
CMOS Input Pin: TEST (VDD = 5V, TAMB = -40 to +85 ºC unless otherwise noted).
VIH
High Level Input Voltage
0.7 x
VDD
V
VIL
Low Level Input Voltage
0.2 x
VDD
V
ILEAK
Input Leakage Current
±1 µA
tT
Input Transition Time
10 ns
CMOS Input with Schmitt Trigger, Pin: CLKIN, LOAD, DATAIN, BPLIN, RESETN (VDD = 5V, TAMB = -40 to +85 ºC
unless otherwise noted).
VTH+
Positive-Going Threshold
VDD = 4.5V
VDD = 5.5V
2.8 3.2
V
3.4 3.9
VTL-
Negative-Going Threshold
VDD = 4.5V
VDD = 5.5V
1.1 1.6
V
1.4 1.9
ILEAK
Input Leakage Current
±1 µA
CMOS Output Pins: BPLOUT, DATAOUT (VDD = 5V, TAMB = -40 to +85 ºC unless otherwise noted).
VOH
High Level Input Voltage
VDD = 5V, IOH = -4mA
VDD = 3.3V, IOH = -2.8mA
4.0
V
2.5
VOL
Low Level Input Voltage
VDD = 5V, IOL = 4mA
VDD = 3.3V, IOL = 3.2mA
0.4
V
0.4
CMOS Output Pin: LCDxx (VDD = 5V, TAMB = -40 to +85 ºC unless otherwise noted).
VOH
High Level Input Voltage
VDD = 5V, IOH = -25µA
VDD = 3.3V, IOH = -16µA
4.0
V
2.5
VOL
Low Level Input Voltage
VDD = 5V, IOL = 22µA
VDD = 3.3V, IOL = 17µA
0.4
V
0.4
Oscillator Pin: OSC (VDD = 5V, TAMB = -40 to +85 ºC unless otherwise noted).
VOL
Low Level Output Voltage
(open collector)
VDD = 5V, IOL = 4mA
0.4 V
REXT
External Resistance
47
kΩ
CEXT
External Capacitance
0.3 1 nF
fOSC
Frequency
1/fOSC = 0.69 x REXT x CEXT
0.5 100 kHz
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Revision 1.05
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