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L C D - I I 1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
• ELECTRICAL CHARACTERISTICS - 1 (Vee -5V±10%, T.- -20
to
+76°C)
Item
Symbol
Test Conditions
Value
Unit
Note
min.
typo
max.
Input "Low" Voltage
V IL
-
-
1.0
V
Input "High" Voltage (1)
V IH1
Vee- 1 • O
-
Vee
V
(9)
Input "High" Voltage (2)
V IH2
Vee- LO
-
10
V
(10)
Output "Low" Voltage
VOL
IOL = 1.6 mA
-
-
0.8
V
Output "High" Voltage
(1)
V OH1
-loH = 1.0 mA
2.4
-
-
V
(1)
Output "High" Voltage (2)
V OH2
-loH =0.01 mA
V ee -O·3
-
-
V
(2)
Driver Voltage Descending (COM)
Vd
l
Id=0.05mA
-
-
0.4
V
(13)
Driver Voltage Descending (SEG)
Vd
2
Id=O.Ol mA
-
-
0.4
V
(13)
Dividing Resistor of LCD Power
Rwell
.
25
-
300
kG
Supply
Interrupt Input Hold Time
tiNT
2· T inst
-
-
IJ.S
(15)
Interrupt Input Fall Time
ttlNT
-
-
50
IJ,s
(15)
Interrupt Input Rise Time
trlNT
-
-
50
IJ,s
(15)
Output "High" Current
IOH
V OH = 10V
-
-
3
IJ,A
(3)
Yin =Oto Vee
-
-
1.0
(3),(9)
I nput Leakage Current
IlL
Yin =Oto 10V
3
IJ,A
~
-
-
Pull up MOS Current
-Ip
Vee=5V
45
-
250
IJ,A
Yin =V ee , Vee=5V,
Supply Current (1)
lee1
Ceramic Filter Oscillation
-
-
1.3
mA
(5)
(folC = 400 kHz)
Yin =V ee , Vee=5V
Supply Current (2)
lee2
Rf Oscillation
(f
olC = 400 kHz)
-
-
0.6
mA
(5),(12)
External Clock Operation
(fcp = 400 kHz)
Standby I/O Leakage Current
--
I
Yin =0 to Vee
-
-
1.0
IJ,A
(6),(9)
I LS
HLT=1.0V
I
Vin= 0 to 10V
-
-
3
IJ,A
(6),(10)
Standby Supply Current (1)
lecs1
Vin=V ee , HLT=0.2V
-
-
10
IJ,A
(11 )
Standby Supply Current (2)
ICCS2
Vin=V ee , HLT=0.2V
-
-
40
IJ,A
(7)
n = 1 (static)
Frame FreQuency of LCD Drive
f
F ·
n=2 (1/2 Duty)
1
Hz
n=3 (1/3 Duty)
256
x
n
x
Tinst
n=4 (1/4 Duty)
LCD Display Voltage
V LeD
Vee- V
3
2.5
-
Vee
V
(8)
External Clock Operation; System Clock
External Clock Frequency
fcp
40
400
440
kHz
External Clock Duty
50
55
%
External Clock Rise Time
trcp
0
0.2
IJ,s
External Clock Fall Time
t~
0
0.2
IJ.S
Instruction Cycle Time
Tinst
Tinst = 4/
fcp
9.1
10
100
IJ,s
Internal Clock Operation (Rt Oscillation); System Clock
. -clock
-osclliaiion Frequency· - -
..
Ri' ; ;'
82-k-n±2% - .. - - - - - - - -
Instruction Cycle Time
Tjnst
Tjnst =4/ f olC
Clock Oscillation Frequency
Ceramic Filter
Instruction Cycle Time
T inst
T inst =4/fOlC
Internal Clock Operation (Crystal Oscillation); Clock for Timer
--cloCkosCiilatiOnF~equencY-----I-fo~--I--c~~al-----------------r--------ii768------r-kH;-r------
140
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