參數(shù)資料
型號: VW2220
英文描述: 走針鐘
中文描述: 走針鐘
文件頁數(shù): 1/1頁
文件大小: 59K
代理商: VW2220
VW2200 Crystal Clock Preliminary Product Specification
Dated 19 May 2004
VW2200 Crystal Clock
Feature
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
Symbol
Operation Voltage
V
DD
Operation Current
I
C
Min
1.2
-
Typical
1.5
-
Max
1.8
200
Unit
Volt
uA
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
Standby Current
I
DD
-
-
3
uA
Oscillator Frequency
Fosc
-
32768
-
Hz
Pulse Width Code F
Output Voltage High
Output Voltage Low
Operation Temperature T
OP
T
W
T
W
T
W
V
OH
V
OL
-
-
-
1.0
-
0
31.25
23.40
15.60
-
-
-
-
-
-
-
0.4
60
ms
ms
ms
Volt
Volt
°
C
Code G
Code H
Application Diagram
Name
X
Y
VDD
72.5
75.5
OSCI
314.5
77.5
OSCO
656
77.5
TEST
905
77.5
VSS
897.5
202.5
MOT1
854.5
559
MOT2
72.5
602.5
Unit
Micron
MOT1
MOT2
VDD
OSC1 OSC0
TEST
VSS
M
*IC substrate should be
connected to VDD in PCB
(PCB
IC
必須接
VDD)
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