Hitachi AP1 - Page 179

---------------------------------- LCD-IV
• ELECTRICAL CHARACTERISTICS - 1 (Vee = 5V ± 10%, Ta = -20 to +75°C)
Value
Unit Note
Item
Symbol
Test Conditions
min.
max.
Input "Low" Voltage
VIL
-
1.0
V
Input "High" Voltage
VIH
Vee-1.0
Vee
V
(12)
Output "Low" Voltage
VOL
IOL
= 1.6 mA
-
0.8
V
Output "High" Voltage (1)
VOH1
-IOH = 1.0 mA
2.4
-
V (1)
Output "High" Voltage (2)
VOH2
-IOH = 0.01 mA
Vec-0.3
-
V (2)
Driver Voltage Descending
(COM)
Vd1
Id = 0.05 mA, VLCD = 5 V
- 0.4
V (16)
Driver Voltage Descending
(SEG) Vd2
Id = 0.01 mA, VLCD = 5 V
- 0.4
V (16)
Dividing Resistor
of LCD Power
Rwell
25
300
kD.
Supply
I
nterrupt I nput Hold Time
tiNT
2'Tinst
-
JJ.s
(14)
Output "High" Current
IOH
VOH -10V
-
4 JJ.A
(3)
I nput Leakage Current
IlL Vin = Oto Vee
-
2 JJ.A
(4),(12)
Pull up MOS Current
-Ip
VCC = 5V
45
250
JJ.A
Vin = Vee, Vcc = 5V
Supply Current (1)
lee1
Ceramic Filter Oscillation
- 3
mA
(5)
(fosc = 800 kHz)
Vin - Vee, Vee - 5V
Rf Oscillation
Supply Current
(2)
Ice2
(fose = 800 kHz) -
2 mA
(5)
External
Clock Operation
(fcp
= 800 kHz)
Standby I/O Leakage Current
ILS
HL T = 1.0V, Vin = 0 to Vee
- 1.0
JJ.A
(6),(12)
Standby Supply Current (1)
leCs1
Vin = Vee, HL T = 0.2V
-
10
JJ.A
(15)
Standby Supply Current (2)
lees2
Vin = Vee, HLT = 0.2V
-
120
JJ.A
(7)
LCD Display Voltage
VLeD
Vee-
V
3
2.5
Vce
V
(11 )
n
= 1 (static)
Frame Frequency
of LCD Drive
n
= 2 (1/2 Duty)
1
Hz
(13)
fF
n
= 3 (1/3 Duty)
256 x n x Tinst
n
= 4 (1/4 Duty)
External
Clock Operation; System Clock
--------------------- -
- -
- - - ,------- -------
----------,----
- kHz -(8)-,(13) -
External
Clock Frequency
fcp
130
1,000
External Clock Duty
Duty
45 55
%
(8)
External
Clock Rise Time
trcp
a
0.2
JJ.s
(8)
External
Clock Fall Time
tfcp
0 0.2
JJ.s
(8)
Instruction Cycle Time
Tinst
Tinst - 4/fcp
4.0
31.3
JJ.s
(8)
___ I~!e!~~ ~~~k_ ~~e:a~I~r: (~t ~s~l~a~o_n)_~ ~y~t:~ ~I.?~k _____________ _
Clock Oscillation
Frequency Rf = 62kD. ± 2%
(9)
Instruction Cycle Time Tinst Tinst = 4/fosc
(9)
Internal Clock Operation (Ceramic Filter Oscillation); System Clock
-- -- - - - - - - - - - - - - - -- - - - - - - - - - - - - - - - - - - -
Clock Oscillation Frequency
Ceramic Filter
(10)
Instruction Cycle
Time
Tinst - 4/fosc
(10)
(NOTE) All voltages are with respect to GND.
177