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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LCD-III
• ELECTRICAL CHARACTERISTICS - 2 (T. - -20
to
+7SoC)
Item
Symbol
Test Conditions
Value
Unit
min.
max.
Halt Duration Voltage
V OH
HLT=0.2V
2.3
-
V
Halt Current
IOH
Vin = Vee, HLT = 0.2V,
-
4.0
#J.A
V OH = 2.3V
Halt Delay Time
tHO
100
-
#J.S
Operation Recovery Time
tRe
100
-
#J.s
Her
Fall Time
tfHLT
-
1000
#J.s
HL T Rise Time
trHLT
-
1000
#J.s
HL T "Low" Hold Time
tHLT
400
-
#J.S
Rf Oscillation, External
100
-
HLT "High" Hold Time
tOPR
Clock Operation
#J.S
Ceramic Filter Oscillation
4000
-
Power Supply Rise Time
tree
Built-in Reset, HLT = Vee
0.1
10
ms
Power Supply OFF Time
tOFF
Built-in Reset, H L T = Vee
1
-
ms
External Reset, Vee = 4.S
to S.SV, HLT = Vee
1
-
(Rf Oscillation, External
RESET Pulse Width (1)
t R S T1
Clock Operation)
ms
External Reset, Vee = 4.S
toS.SV, HLT = Vee
(Ceramic Filter Oscillation)
4
-
External Reset, Vee = 4.S
to S.SV, HLT = Vee,
20Tinst
-
(Prescaler Clock = System
RESET Pulse Width (2)
t R S T2
Clock)
External Reset, Vee = 4.S
#J.S
toS.6V, HLT = Vee,
32 x 10
6
/
(Prescaler Clock = Crystal
f
o • ex
-
Clock)
RESET Rise Time
trRST
External Reset, HLT = Vee,
Vee = 4.S to S.SV
-
100
#J.S
RESET Fall Time
tfRST
External Reset, HLT = Vee,
Vee = 4.S to S.SV
-
100
#J.s
(NOTE I 1. Applied to PMOS load of CMOS output pins and CMOS I/O common pins among
0
and R terminals.
2.
Applied to CMOS output pins, CMOS I/O common pins, input pins with pull up MaS, and I/O common pins with pull up MOS
among
0
and R terminals.
3. Applied to open-drain output pins and open-drain I/O common pins among 0 and R terminals.
4.
Pull up MaS current is excluded.
5. Applied to the supply current when the LCD-III is in the reset state and the crystal oscillation for timer doesn't operate.
(Current that flows in the
input/outPE~Tircuit
and in the power supply circuit for LCD is excludedl.
Test Condition: RESET, HLT, T
.. Vee (Reset Statel
INTo, INT., Roo to R
n ,
Do to
013
= VCC
D.
4
/XO, Du /XI L D •• /XO, Du/XI .. Vee (Crystal oscillation for timer is not selectedl.
V., V
2
,
VI _ Vee
D.
4
/XO
=
Open, Du/XI '" Vee (Crystal oscillation for timer is selected I.
COM. to COM., SEG. to SEG
32
=
Open
Note
(14)
When the crystal oscillation for timer operates, the standby supply current (211eeS2 flows in addition to lee1 or lee2.
When the LCD-III is installed in the user's system, and in operation current increases according to the external circuitry and devices.
Those are connected to the LCD·1I1. User should design the power supply in consideration of this point (The difference between
the measured current in the above reset state and that measured in the operational state in the user's sYstem is the increased part of
the supply currentl.
6. Standby I/O leak8A8 current is the leakage current of I/O pins in the "Halt" and "Disable" state.
141
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