Shanghai Belling Corp., Ltd
BL55028
zip: 200233 Tel: 86-021-64850700 Fax: 86-021-64855865
6
Absolute Maximum Rating
Parameter
Supply voltage
Symbol
Vdd
Rating
-0.5~+6.0
Unit
V
LCD operating voltage
Input voltage
Vlcd
Vi
V
V
0~ Vdd
Vss-0.5~Vdd+0.5
Vlcd-0.5~Vdd+0.5
-50~+50
Output voltage
Vdd,Vss,Vlcd current
Vo
V
mA
Idd,Iss,Ilcd
Maximum power consumption
Operating temperature
Ptot
Topr
400
-40~ +75
mW
oC
oC
Storage temperature
Tstg
-65~ +150
7
DC Characteristic
Symbol Parameter
Test Condition
Min
Typ
Max
Unit
Vdd
Vlcd
Idd1
Idd2
Idd3
Idd4
IC Operating
voltage
LCD operating
voltage
2.5
-
5.5
V
0
-
-
Vdd-2
50
V
Supply current
Vdd=5V,VLCD=0V,Normal
25
14
16
9
uA
uA
uA
uA
mode,internal oscillator
Vdd=5V,VLCD=0V,power saving
mode,internal oscillator
Vdd=3.3V,VLCD=0V,Normal
mode,internal oscillator
Vdd=3.3V,VLCD=0V,power saving
mode,internal oscillator
Supply current
Supply current
Supply current
-
30
-
30
-
15
ViL
ViH
Low voltage input SDA,SCL
Vss
-
-
0.3Vdd
6.0
V
V
High voltage
input
SDA,SCL
0.7Vdd
8
AC Characteristic
Ta=25oC
Symbol Parameter
Test Condition
Min
Typ
Max
Unit
Fclk
Fclk
Tclk
Tsh1
Tsh2
tlow
Oscillator
frequency
Oscillator
frequency
Vdd=5V,normal mode
125
180
300
48
3
KHz
KHz
uA
us
Vdd=3.3V, power saving 21
mode
31
-
Half oscillator cycle
1
CS start hold time
SCL start hold time
High time
5
5
5
-
-
us
-
us
thig
thd
Low time
4
-
us
ns
SCL hold time
250
5