VT98501 Просмотр технического описания (PDF) - Vaishali Semiconductor
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производитель
VT98501 Datasheet PDF : 4 Pages
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VT98501
Table 1. Clock Output Table
S1 S0 CLK
Minimum Input
0 0 4 x input
See table 7
0 M 5.3125 x input 20 MHz
0 1 5 x input
See table 7
M 0 6.25 x input
4 MHz
M M 2 x input
See table 7
M 1 3.125 x input 8 MHz
1 0 6 x input
See table 7
1 M 3 x input
See table 7
1 1 8 x input
See table 7
0 = Connect to ground.
1 = Connect directly to VDD
M = Leave unconnected (floating)
Advance Information
Table 2. Examples of Common Output Frequencies.
Output
20 24 30 32 33.33 37.5 40 48
Input
10 12
10 16 16.66 12
10
12
Selection (S1,S0) M,M M,M 1,M M,M M,M M,1 0,0 0,0
Output
50
60 62.5 64
Input
16.66 10 20 16
Selection (S1,S0) 1,M 1,0 M,1 0,0
66.66 72
16.66 12
0,0 1,0
75 80
12
10
M,0 1,1
Output
83.33 90
Input
16.66 15
Selection (S1,S0) 0,1
1,0
100 106.25 120
20 20
15
0,1 0,M
1,1
125 155.52
20
19.44
M,0 1,1
Table 3. Pin Description
No. Name
1
X1/ICLK
2
VDD
3
GND
4
S1
5
CLK
6
S0
7
OE
8
X2
Type
I
P
P
TI
O
TI
I
O
Description
Xtal connection or clock input.
Connect to +3.3V
Connect to ground.
Select 1 for output clock. Connect to ground or VDD or float
Clock output per table 2.
Select 0 for output clock. Connect to ground or VDD or float.
Output Enable. Tri- states CLK output when low.
Xtal connection. Leave unconnected for clock input.
Legend:
I = Input
TI = Tri-level Input
O = Output
P = Power supply connection
2001-03-05
Page 2
MDST-0009-00
Vaishali Semiconductor 1300 White Oaks Road, Ste 200 Campbell CA 95008 Ph. 408.377.6060 Fax 408.377.6063
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