鈥?/div>
Single 1.5V battery operation
Low power consumption
High precision 32768Hz quartz crystal controlled oscillation
1 Hz stepper motor driven with a pulse
Description
The VW2200 is a CMOS simple analog clock IC for a quartz clock circuit
32768Hz oscillation that drives a stepper motor precisely once a second.
Electrical Characteristics
Parameter
Operation Voltage
Operation Current
Standby Current
Oscillator Frequency
Code F
Code G
Code H
Output Voltage High
Output Voltage Low
Operation Temperature
Pulse Width
Symbol Min
V
DD
1.2
I
C
-
I
DD
Fosc
T
W
T
W
T
W
V
OH
V
OL
T
OP
-
-
-
-
-
1.0
-
0
Typical Max
1.5
1.8
-
200
-
32768
31.25
23.40
15.60
-
-
-
3
-
-
-
-
-
0.4
60
Unit
Volt
uA
uA
Hz
ms
ms
ms
Volt
Volt
擄C
Remark
V
DD
=1.5V
R
L
=250ohm
V
DD
=1.5V
No Load
Crystal Frequency
-20 to -50 ppm
V
DD
=1.5V
V
DD
=1.5V
Application Diagram
M
Name
VDD
OSCI
OSCO
TEST
VSS
MOT1
MOT2
Unit
X
72.5
314.5
656
905
897.5
854.5
72.5
Micron
Y
75.5
77.5
77.5
77.5
202.5
559
602.5
MOT1
MOT2
VSS
VDD
OSC1 OSC0
TEST
*IC substrate should be
connected to VDD in PCB
(PCB
涓?/div>
IC
蹇呴』鎺?/div>
VDD)
VW2200 Crystal Clock Preliminary Product Specification
Dated 19 May 2004
1
