OKI Semiconductor
PEDL9044A-04
ML9044A-xxA/xxB
ELECTRICAL CHARACTERISTICS
DC Characteristics
(GND = 0 V, VDD = 2.7 to 5.5 V, Ta = –40 to +85°C)
Parameter
Symbol
Condition
Min. Typ. Max. Unit Applicable pin
“H” Input Voltage
VIH
“L” Input Voltage
VIL
0.8VDD —
VDD
R/W, RS0, RS1,
E, DB0 to DB7,
—
V SHT, S/P, Sl,
0
— 0.2VDD
CS, OSC1,
SSR, CSR, BE
“H” Output Voltage 1
“L” Output Voltage 1
VOH1 IOH = –0.1 mA
VOL1 IOL = +0.1 mA
0.75VDD
—
—
—
—
0.2VDD
V
DB0 to DB7, SO
“H” Output Voltage 2
“L” Output Voltage 2
VOH2 IOH = –13 µA
VOL2 IOL = +13 µA
0.9VDD
—
——
— 0.1VDD V OSC2
VCH lOCH = –4 µA
VDD–0.3 —
VDD
COM Voltage Drop
VCMH lOCMH = ±4 µA VDD –V5 = 5 V V1–0.3
VCML lOCML = ±4 µA
Note 1 V4–0.3
—
—
V1+0.3
V4+0.3
V
COM1 to
COM17
VCL lOCL = +4 µA
V5
— V5+0.3
VSH lOSH = –4 µA
VDD–0.3 —
VDD
SEG Voltage Drop
VSMH lOSMH = ±4 µA VDD –V5 = 5 V V2–0.3
VSML lOSML = ±4 µA
Note 1 V3–0.3
—
—
V2+0.3
V3+0.3
V
SEG1 to
SEG120
VSL lOSL = +4 µA
V5
— V5+0.3
Input Leakage Current | IIL | VDD = 5 V, VI = 5 V or 0 V
E, SSR, CSR,
—
— 1.0 µA BE, SHT, S/P,
CS, Sl
VDD = 5 V, VI = GND
10
25 61
Input Current 1
VDD = 5 V, VI = VDD,
| II1 | Excluding current flowing
through the pull-up resistor
—
—
2.0
µA
R/W, RS0, RS1,
DB0 to DB7, SO
and the output driving MOS
VDD = 5 V, VI = VDD
15
45 105
Input Current 2
| II2 | VDD = 5 V, VI = GND,
Excluding current flowing
—
through the pull-down resistor
—
2.0
µA T1, T2, T3
Supply Current
lDD VDD = 5 V
Note 2 —
— 1.2 mA VDD–GND
LCD Bias Resistor
RLB
2.5
4.0
6.0
kΩ
VDD, V1, V2,
V3A, V3B, V4, V5
Oscillation Frequency
of External Resistor Rf
fosc1 Rf = 180 kΩ±2%
Note 3 175 270 400 kHz OSC1, OSC2
Oscillation Frequency
of Internal Resistor Rf
OSC1: Open
Note 4
fosc2 OSC2 and OSCR: Short-
140
circuited
270
480
kHz
OSC1, OSC2,
OSCR
Clock Input
Frequency
fin
OSC2, OSCR: Open
Input from OSC1
125 — 480 kHz
Input Clock Duty
fduty
Input Clock Rise
Time
frf
Note 5 45
Note 6 —
50
55
% OSC1
— 0.2 µs
Input Clock Fall Time fff
Note 6 —
— 0.2 µs
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