hbwhelp@micrel.com or (408) 955-1690 15 Ref-Divider =" />
參數(shù)資料
型號(hào): SY89538LHY TR
廠商: Micrel Inc
文件頁(yè)數(shù): 7/23頁(yè)
文件大?。?/td> 0K
描述: IC SYNTH/FANOUT BUFFER 64TQFP
標(biāo)準(zhǔn)包裝: 1,000
系列: Precision Edge®
類型: 時(shí)鐘合成器/扇出緩沖器
PLL:
輸入: CMOS,HSTL,LVDS,LVPECL,LVTTL,SSTL,晶體
輸出: LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 3:7
差分 - 輸入:輸出: 是/是
頻率 - 最大: 756MHz
除法器/乘法器: 是/無(wú)
電源電壓: 2.375 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-EP-TQFP
包裝: 帶卷 (TR)
Micrel, Inc.
SY89538L
January 2008
M9999-010808-E
hbwhelp@micrel.com or (408) 955-1690
15
Ref-Divider = 1
Ref-Divider = 2
Ref-Divider = 4
Ref-Divider = 8
fVCO (MHz)
fOUT (MHz)
fREF (MHz)
Min.
Max.
Post-
Divider
Pre-
Divider
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
2.35
3.02
1
2
588.0
755.0
588.0
755.0
294.0
377.5
147.0
188.8
73.5
94.4
2.35
3.02
1
3
392.0
503.0
392.0
503.0
196.0
251.5
98.0
125.8
49.0
62.9
2.35
3.02
1
4
294.0
378.0
294.0
378.0
147.0
189.0
73.5
94.5
36.8
47.3
2.35
3.02
1
5
235.0
302.0
235.0
302.0
117.5
151.0
58.8
75.5
29.4
37.8
2.35
3.02
2
294.0
378.0
294.0
378.0
147.0
189.0
73.5
94.5
36.8
47.3
2.35
3.02
2
3
196.0
252.0
196.0
252.0
98.0
126.0
49.0
63.0
24.5
31.5
2.35
3.02
2
4
147.0
189.0
147.0
189.0
73.5
94.5
36.8
47.3
18.4
23.6
2.35
3.02
2
5
118.0
151.0
118.0
151.0
59.0
75.5
29.5
37.8
14.8
18.9
2.35
3.02
8
2
73.4
94.4
73.4
94.4
36.7
47.2
18.4
23.6
Not
Valid
11.8
2.35
3.02
8
3
49.0
62.9
49.0
62.9
24.5
31.5
12.3
15.7
Not
Valid
Not
Valid
2.35
3.02
8
4
36.7
47.2
36.7
47.2
18.4
23.6
Not
Valid
11.8
Not
Valid
Not
Valid
2.35
3.02
8
5
29.4
37.8
29.4
37.8
14.7
18.9
Not
Valid
Not
Valid
Not
Valid
Not
Valid
Table 9. Zero Delay Divider Cases
Considerations when in zero delay mode:
The input and output frequency range is
29.375MHz to 756MHz
The phase detector frequency range is
9.325MHz to 94.5MHz
There are cases in which certain divider
combinations at certain frequencies are
not valid, see Table 9 for more details
Systematic phase offset is caused by added
and parasitic capacitance
Phase offset is introduced by increased trace
length
Phase offset second order effects can be
introduced with high
εR die-electric constants
since the velocity of electromagnetic waves
slows down as the die-electric constant
increases
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