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AS1120 Datasheet(PDF) 3 Page - ams AG

Part # AS1120
Description  46-Segment LCD Driver
PDF  12 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS1120 Datasheet(HTML) 3 Page - ams AG

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www.austriamicrosystems.com
Revision 1.01
3 - 12
AS1120
austriamicrosystems
Data Sheet
5 Electrical Characteristics
Table 2. 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
2.8
3.2
V
VDD = 5.5V
3.4
3.9
VTL-
Negative-Going Threshold
VDD = 4.5V
1.1
1.6
V
VDD = 5.5V
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
4.0
V
VDD = 3.3V, IOH = -2.8mA
2.5
VOL
Low Level Input Voltage
VDD = 5V, IOL = 4mA
0.4
V
VDD = 3.3V, IOL = 3.2mA
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
4.0
V
VDD = 3.3V, IOH = -16µA
2.5
VOL
Low Level Input Voltage
VDD = 5V, IOL = 22µA
0.4
V
VDD = 3.3V, IOL = 17µA
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
k
Ω
CEXT
External Capacitance
0.3
1
nF
fOSC
Frequency
1/fOSC = 0.69 x REXT x CEXT
0.5
100
kHz
Table 3. Timing Characteristics
Symbol
Parameter
Min
Max
Unit
tCHP
Time CLKIN high pulse
50
ns
tCLP
Time CLKIN low pulse
50
ns



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