CM2916
LCD Driver with Key Scan(4*8)
. AC / DC Characteristics
Absolutely max. ratings
ITEM
Operating Temperature
Storage Temperature
Supply Voltage
Voltage to input terminal
SYMBOL
Top
Tsto
VDD
Vin
RATING
-20℃- +70℃
-50℃- +125℃
5.5
Vss-0.3 to Vdd+0.3
UNIT
℃
℃
V
V
D.C. Characteristics
（
Condition : Ta= 25
±
3
℃，
RH
≦
65 %
，
VDD =
＋
5V
，
VSS=0V
）
Symbol
Condition
min.
typ.
Max.
Item
Operating voltage
VDD
2.2
5
5.5
Power consumption
I
OPR
System clock at 256Khz RC
400
800
current
oscillator, LCD off, no load, @5V
stand by current
Ist
System halt, No load, RC
1
2
oscillator off, LCD off, @5V
Input low voltage for
V
IL1
0
0.3VDD
input pin
Input high voltage for V
IH1
0.7VDD
VDD
input pin
RC oscillator
V
ST
2.7
start-up voltage
RC oscillator
V
SU
2.6
sustain voltage
GOUT source current
I
OH
8
VDD＝5V, V
OH
=4.5V
GOUT sink current
I
OL
20
VDD＝5V, V
OL
=0.5V
O1-O4 source current
I
OH
3
VDD＝5V, V
OH
=4.5V
6
O1-O4 sink current
I
OL
VDD＝5V, V
OL
=0.5V
Segment output
Rseg
VLCD = 4.5V
10
20
impedance
(從 Rbias 分壓端點到輸出端)
Common output
Rcom
VLCD = 4.5V
2
4
impedance
(從 Rbias 分壓端點到輸出端)
R-bias current(default) IR1
VLCD = 4.5V
100
200
300
R-bias current
IR2
VLCD = 4.5V
25
50
70
unit
V
uA
uA
V
V
V
V
mA
mA
mA
mA
Kohm
Kohm
uA
uA
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525
Http: www.ceramate.com.tw
Page 5 of 22
Rev 1.0 Oct. 5, 2004
Fax:886-3-3521052
CERAMATE [ CERAMATE TECHNICAL ]
