Datasheet

NT7603
7 V2.3
DC Electrical Characteristics (continued) (VDD = 3.0V, GND = 0V, TA = 25°C)
Symbol Parameter Min. Typ. Max. Unit Conditions Applicable Pin
VDD Operating Voltage 2.8 3.0 5.5 V
V
IH1
"H" Level Input Voltage (1) 0.8 V
DD
- V
DD
V
DB0 - DB7, RS,
R/W,
V
IL1
"L" Level Input Voltage (1) -0.3 - 0.2 V
DD
V E,OSC1
V
OH1
"H" Level Output Voltage (1) V
DD
- 0.4 - - V I
OH
= -0.8mA DB0 - DB7
VOL1 "L" Level Output Voltage (1) - - GND + 0.4 V IOL = 0.8mA (CMOS)
VCOM Driver Voltage Descending (COM) - - 0.3 V
I
D = 5
µ
A
COM1 - 16
VSEG Driver Voltage Descending (SEG) - - 0.3 V
I
D = 5
µ
A
SEG1 - 80
IIL Input Leakage Current -1 - 1
µ
A
VIN = 0 to VDD
Not include
OSC1
-IP Pull-up MOS Current 30 75 150
µ
A
VDD = 3V
RS, R/W,
DB0-DB7
IOP Power Supply Current - 1 1.5 mA
Rf oscillation,
from external
clock V
DD
=
3.0V,
f
OSC = fCP =
540KHz,
include LCD
bias current.
V
DD
External Clock Operation
fCP
External Clock Operating
Frequency
380 540 750 KHz
tDUTY External Clock Duty Cycle 45 50 55 %
tRCP External Clock Rising Time 0.1 - 0.5
µ
S
tFCP External Clock Falling Time 0.1 - 0.5
µ
S
Internal Clock Operation (Built-in RC Oscillator)
fOSC Oscillator Frequency 380 540 750 KHz
Rf = 50K
Ω
(reference only)
V
DD = 2 .8V ~ 5.5V
VLCD LCD Driving Voltage 2.5 - VDD V VDD - V5