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參數(shù)資料
| 型號(hào)： | VT98001QX |
| 廠商： | Vaishali Semiconductor |
| 英文描述： | Multifrequency Synthesizer |
| 中文描述： | 多頻合成器 |
| 文件頁(yè)數(shù)： | 2/4頁(yè) |
| 文件大?。?/td> | 46K |
| 代理商： | VT98001QX |
VT98001
Figure 2. Pin Configuration
Advance Information
2001-07-25
Page
2
MDST-0013-00
www.vaishali.com
Vaishali Semiconductor 747 Camden Avenue, Suite C Campbell CA 95008 Ph. 408.377.6060 Fax 408.377.6063
Table 1. Pin Description
Name
Pin #
1
Type
I(PU)
Description
Select 24/28 MHz
Select 24.576 MHz or 28.224 MHz output
X2
2
O
Crystal connection. Connect to a 27 MHz crystal
X1
3
I
Crystal connection. Connect to a 27 MHz crystal
VDD1
4
P
Connect to 3.3V
VDD2
5
P
Connect to VDD
GND1
6
P
Connect to ground
GND2
7
P
Connect to ground
24.576 MHz
8
O
Clock output, 24.576 MHz
MODE
9
I(PU)
Mode control. See Table 2
24.576 MHz/ 28.224MHz
10
O
Clock output, 24.576 MHz or 28.224 MHz
2 kHz
11
O
Clock output, 2 kHz
/PD
(1)
12
I(PU)
Powerdown control. When LOW, all clocks are disabled except
2kHz standby clock
18.432MHz/6.000MHz
13
O
Clock output, 18.432 MHz or 6.000 MHz
GND3
14
P
Connect to ground
GND4
15
P
Connect to ground
VDD3
16
P
Connect to VDD
VDD4
17
P
Connect to VDD
27 MHz
18,19
O
27 MHz buffered clock outputs
GND5
20
P
Connect to ground
Legend: I = Input
O = Output
P = Power supply connection
I(PU) = Input with a 250k ohm pull up
Note (1).
All disabled clock outputs are tristated (high impedance).
VT98001
24.576MHz/28.224MHz
18.432MHz/6.000MHz
/PD
2kHz
VDD2
GND1
GND2
X1
VDD3
GND4
GND3
24.576MHz
MODE
VDD1
27MHz
VDD4
Select 24/28MHz
X2
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
27MHz
GND5
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