sc3449 Silan, sc3449 Datasheet - Page 2

• Manufacturer Part Number: sc3449
• Description: Programmable Calculator With 10-bit Dual Display
• Manufacturer: Silan

BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Note: Error or device damaging will occur when the value is over these absolute maximum ratings. Normal
DC ELECTRICAL CHARACTERISTICS
Operating Voltage
Operating Current
standby Current
Input High Level
Input Low Level
Output High Current (PA5 - 0)
Output Sink Current (PA5 - 0)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
DC Power Supply
Input Voltage
Operation Temperature
Storage Temperature
operation parameter is to see AC/DC electrical parameter.
Characteristics
Characteristics
Symbol
Symbol
I
T
T
STBY
V
V
I
V
I
V
V
I
STO
amb
OH
OP
OL
DD
DD
IN
IH
IL
2 batteries
F
press
V
ROSC OFF
V
V
V
V
V
V
CPU
DD
DD
DD
DD
OH
DD
OL
(T
= 3V, 32768Hz OFF,
= 3V
= 1V
= 3V
= 3V
= 3V
= 2V
amb
= 500KHz @ 3V,no key-
Test Condition
= 25 C, V
DD
-0.5
= 3 V)
-50 ~ +150
0 ~ +60
Rating
< 6
V
DD
+ 0.5
Min.
2.4
2.0
-
-
-
-
-
Typ.
-1.0
1.0
35
0
REV:1.1
-
-
-
Max.
3.6
0.1
0.8
-
-
-
-
(To be continued)
Page 2 of 23
SC3449
2007.11.19
Unit
Unit
mA
mA
V
V
V
V
V
C
C
A
A