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參數資料
| 型號： | 9170-XXCN08LF |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | 107 MHz, OTHER CLOCK GENERATOR, PDIP8 |
| 封裝： | 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-8 |
| 文件頁數： | 6/12頁 |
| 文件大小： | 184K |
| 代理商： | 9170-XXCN08LF |
3
AV9170
0237I—12/02/08
AV9170-05 is only available through America II distributor
The AV9170 has the following characteristics:
1. Rising edges at IN and FBIN are lined up. Falling
edges are not synchronized.
2. The relationship between the frequencies at FBIN
and IN with CLK1 feedback is shown in Table 1
below.
3. The frequency of CLK2 is half the CLK1 frequency.
4. The CLK1 frequency ranges are:
The AV9170 will only operate correctly within these
frequency ranges.
Using the AV9170
Eliminate High Speed
Clock Routing Problems
The AV9170 makes it possible to route lower speed
clocks over long distances on the PC board and to place
an AV9170 next to the device requiring a higher speed
clock. The multiplied output can then be used to produce
a phase locked, higher speed output clock.
Compensate for Propagation Delays
Including an AV9170 in a timing loop allows the use of
PALs, gate arrays, etc., with loose timing specifications.
The AV9170 compensates for the delay through the PAL
and synchronizes the output to the input reference clock.
Operating Frequency Range
The AV9170 is offered in versions optimized for operation
in two frequency ranges. The -01 and -04 cover high
frequencies, 20 to 100 MHz.* The -02 and -05 operate
from 5 to 25 MHz.* The AV9170 can be supplied with
custom multiplication factors and operating ranges.
Consult ICS for details.
3.3V VDD Operation
The AV9170 does operate at both 5.0V and 3.3V system
conditions. Please note the Electrical Characteristic
specifica-tions at 3.3V include a limited output frequency
(66.6 MHz max.) and a wider skew of FBIN to CLK1. For
3.3V±5% (3.15V min.), this skew is -5.0 to 0 ns. At
3.3V±10% (3.0V min.), the skew is widened to -8 ns to
0 ns and should be accounted for in system design.
*At 3.3V, the maximum CLK1 frequency is 66.7 MHz for -
01, -04 and 16.7 MHz for -02, -05.
Figure 1:
Application of
AV9170 for Multiple Outputs
VDD =5V
VDD =3.3V
AV9170-01, -04
20 < fCLK1 <
107MHz*
< 66.7
AV9170-02, -05
5 < fCLK1 <
26.75MHz*
< 16.7
1
S
F0
S
Ff
N
I
B
F)
2
0
-
,
1
0
-
(f
N
I
B
F)
5
0
-
,
4
0
-
(
0
1
0
1
0
1
2f N
I
4f N
I
fN
I
8f N
I
3f N
I
5f N
I
6f N
I
0
1 f N
I
Functionality (Table 1:)
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