參數(shù)資料
型號: ICS843001I-22
英文描述: FEMTOCLOCKS⑩ CRYSTAL/LVCMOS-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
中文描述: FEMTOCLOCKS⑩CRYSTAL/LVCMOS-TO-3.3V,2.5V的LVPECL的頻率合成器
文件頁數(shù): 12/17頁
文件大?。?/td> 211K
代理商: ICS843001I-22
843001AGI-22
www.icst.com/products/hiperclocks.html
REV. A AUGUST 1, 2005
12
Integrated
Circuit
Systems, Inc.
ICS843001I-22
F
EMTO
C
LOCKS
C
RYSTAL
/LVCMOS-
TO
-
3.3V, 2.5V LVPECL F
REQUENCY
S
YNTHESIZER
T
ERMINATION
FOR
2.5V LVPECL O
UTPUT
Figure 4Aand Figure 4Bshow examples of termination for
2.5V LVPECL driver. These terminations are equivalent to ter-
minating 50
Ω
to V
CC
- 2V. For V
CCO
= 2.5V, the V
CCO
- 2V is very
close to ground level. The R3 in Figure 4B can be eliminated
and the termination is shown in Figure 4C.
F
IGURE
4C. 2.5V LVPECL T
ERMINATION
E
XAMPLE
R2
50
Zo = 50 Ohm
VCCO=2.5V
R1
50
Zo = 50 Ohm
+
-
2.5V
2,5V LVPECL
Driver
F
IGURE
4B. 2.5V LVPECL D
RIVER
T
ERMINATION
E
XAMPLE
VCCO=2.5V
R1
50
R2
50
Zo = 50 Ohm
R3
18
2,5V LVPECL
Driver
Zo = 50 Ohm
+
-
2.5V
F
IGURE
4A. 2.5V LVPECL D
RIVER
T
ERMINATION
E
XAMPLE
R2
62.5
2.5V
2,5V LVPECL
Driver
R3
250
Zo = 50 Ohm
Zo = 50 Ohm
R4
62.5
2.5V
+
-
R1
250
VCCO=2.5V
相關(guān)PDF資料
PDF描述
ICS843001AI23 FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL/LVCMOS FREQUENCY SYNTHESIZER
ICS843001I-23 FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL/LVCMOS FREQUENCY SYNTHESIZER
ICS843001AGI-23 FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL/LVCMOS FREQUENCY SYNTHESIZER
ICS843001AGI-23LF FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL/LVCMOS FREQUENCY SYNTHESIZER
ICS843001AGI-23LFT FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL/LVCMOS FREQUENCY SYNTHESIZER
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