ks0074 Samsung Semiconductor, Inc., ks0074 Datasheet - Page 66

• Manufacturer Part Number: ks0074
• Description: 34com/80seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: Samsung Semiconductor, Inc.

KS0074
ELECTRICAL CHARACTERISTICS
DC Characteristics
Voltage Converter Out2
Voltage Converter Out3
Voltage Converter Input
Input Leakage Current
(Except DB0 To DB7)
LCD Driving Voltage
Operating Voltage
Output Voltage (1)
Output Voltage(2)
Low Input Current
Input Voltage (1)
Input Voltage (2)
(Except OSC1)
Characteristic
Supply Current
External Clock
(DB0 To DB7)
Internal Clock
Voltage Drop
(external Rf)
(Vci = 4.5V)
(Vci = 2.7V)
(Osc1)
Symbol
Vd
Vd
V
V
duty
t
V
V
V
V
V
V
V
f
V
V
V
Vci
R
I
f
OSC
OUT2
OUT3
I
I
DD
OH1
OL1
OH2
OL1
EC
, t
LCD
IH1
IH2
IL
IN
DD
IL1
IL2
COM
SEG
34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
F
Internal oscillation or external clock.
V
DD
(V
-V5
DD
Ta = 25
=3.0V,fosc=270KHz
V
I
V
V
Rf=91k
V
OUT
f
IN
I
I
OSC
DD
DD
I
(PULL UP)
Condition
O
IN
OH
=0V, V
OL
I
(V
I
O
= 0.1mA
O
=0V to V
=2.7 to 3.0
=3.0 to 5.5
=-40 A
= 0.25mA,
=-0.1mA
=0.1 mA
=40 A
=270KHz
DD
o
C, C=1 F,
-
-
-
-
=5V)
-
-
DD
1/6.7 Bias
1/5 Bias
=3V
2%
DD
(VDD = 2.7V to 5.5V, Ta=-30 to +85
0.75V
0.7V
0.7V
0.8V
Min
-0.3
-0.3
-3.0
-4.3
190
125
2.7
-10
3.0
3.0
1.0
45
-1
-
-
-
-
-
-
-
DD
DD
DD
DD
0.15
Typ
270
270
-4.2
-5.1
-50
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.2V
0.2V
0.2V
0.2V
-120
Max
13.0
13.0
350
410
5.5
0.3
V
0.6
V
0.2
4.5
55
1
1
1
-
-
-
-
DD
DD
DD
DD
DD
DD
Unit
KHz
KHz
mA
o
%
V
V
V
V
V
V
V
C)
-
A
s