参数资料
型号: IMISG522BX
厂商: CYPRESS SEMICONDUCTOR CORP
元件分类: 时钟产生/分配
英文描述: 120 MHz, OTHER CLOCK GENERATOR, PDSO16
封装: 0.300 INCH, PLASTIC, SOIC-16
文件页数: 10/12页
文件大小: 122K
代理商: IMISG522BX
SG521/22/24/28
Spread Spectrum Clock Generator
Approved Product
INTERNATIONAL MICROCIRCUITS,INC. 525 LOS COCHES ST.,
Rev. 2.0
5/25/2000
MILPITAS, CA 95035 408-263-6300, FAX 408-263-6571
Page 7 of 12
http:/www.imicorp.com
SG522 Frequency and Spread Selection Truth Table
TEST "0"
(pin 16)
MPCLK(S3)
"1" (pin 14)
PRCLK(S2)
"1" (pin 12)
SS_SEL "1"
(pin 10)
S4 "1"
(pin 5)
S1 "0"
(pin 8)
S0 "0"
(pin 7)
OSCin.(MHz)
(pin 2)
PRCLK (MHz)
(pin 12)
SPREAD
1.25%
3.25%
0
X
0
44.24
16.685345
0
X
0
1
44.24
40.044828
0
X
1
0
44.24
25.028017
0
X
1
44.24
30.033621
0
1
0
X
0
14.318
12.001853
0
1
0
X
0
1
14.318
16.669240
0
1
0
X
1
0
14.318
33.338480
0
1
0
X
1
14.318
40.006176
0
1
X
0
14.318
12.001853
0
1
X
0
1
14.318
16.669240
0
1
X
1
0
14.318
33.338480
0
1
X
1
14.318
40.006176
0
1
0
X
0
48
12.000000
0
1
0
X
0
1
48
16.666667
0
1
0
X
1
0
48
33.333333
0
1
0
X
1
48
40.000000
0
1
0
1
X
0
48
12.000000
0
1
0
1
X
0
1
48
16.666667
0
1
0
1
X
1
0
48
33.333333
0
1
0
1
X
1
48
40.000000
0
1
0
X
0
44.24
12.013448
0
1
0
X
0
1
44.24
16.685345
0
1
0
X
1
0
44.24
33.370690
0
1
0
X
1
44.24
40.044828
0
1
X
0
44.24
12.013448
0
1
X
0
1
44.24
16.685345
0
1
X
1
0
44.24
33.370690
0
1
X
1
44.24
40.044828
1
X
0
N/A
0 (PD)
N/A
1
X
0
1
N/A
1 (PD)
N/A
1X
X
1
0
N/A
TEST
N/A
1
X
1
N/A
Hi-Z
N/A
Table 3.
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