参数资料
型号: ICS874005AGT
元件分类: 时钟及定时
英文描述: 874005 SERIES, PLL BASED CLOCK DRIVER, 5 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
封装: 4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24
文件页数: 11/12页
文件大小: 462K
代理商: ICS874005AGT
Integrated
Circuit
Systems, Inc.
874005AG
www.icst.com/products/hiperclocks.html
REV. A JANUARY 25, 2006
8
ICS874005
PCI EXPRESS
JITTER ATTENUATOR
SCHEMATIC EXAMPLE
Figure 5 shows an example of ICS874005 application sche-
matic. In this example, the device is operated at V
DD=3.3V. The
R3
100
R1
10
C8
.1uf
R2
100
+
-
+
-
F_SELB
BW_SEL
CLK
C7
.1uf
F_SELA
MR
C6
.1uf
C3
10uF
C4
0.01u
OEA
(U1:4)
U1
874005_tssop24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
nQB2
nQA1
QA1
VDDO
QA0
nQAO
MR
BW_SEL
VDDA
F_SELA
VDD
OEA
CLK
nCLK
GND
OEB
F_SELB
nQB0
QB0
nQB1
QB1
VDDO
QB2
R5
50
VDDO = 3.3V
Zo = 50 Ohm
OEB
Zo = 50 Ohm
(U1:23)
Zo = 50 Ohm
C5
10uf
nCLK
R6
50
LVPECL Driv er
R4
50
(U1:11)
Zo = 50 Ohm
VDD = 3.3V
decoupling capacitor should be located as close as possible
to the power pin. The input is driven by a 3.3V LVPECL driver.
FIGURE 5. ICS874005 SCHEMATIC EXAMPLE
LVDS DRIVER TERMINATION
A general LVDS interface is shown in Figure 4. In a 100
Ω
differential transmission line environment, LVDS drivers
require a matched load termination of 100
Ω across near
100 Ohm Differiential Transmission Line
R1
100
3.3V
+
-
LVDS_Driv er
3.3V
FIGURE 4. TYPICAL LVDS DRIVER TERMINATION
the receiver input. For a multiple LVDS outputs buffer, if only
partial outputs are used, it is recommended to terminate the
un-used outputs.
相关PDF资料
PDF描述
ICS874005AG 874005 SERIES, PLL BASED CLOCK DRIVER, 5 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
ICS874005AGLF 874005 SERIES, PLL BASED CLOCK DRIVER, 5 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
ICS8741004AGIT 8741004 SERIES, PLL BASED CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
ICS8741004AGI 8741004 SERIES, PLL BASED CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
ICS8741004AGI 8741004 SERIES, PLL BASED CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO24
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