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ICS83947AI147 датащи(PDF) 7 Page - Integrated Circuit Systems

номер детали ICS83947AI147
подробное описание детали  LOW SKEW, 1-TO-9 LVCMOS/LVTTL FANOUT BUFFER
PDF  10 Pages
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производитель  ICST [Integrated Circuit Systems]
домашняя страница  http://www.icst.com
Logo ICST - Integrated Circuit Systems

ICS83947AI147 датащи(HTML) 7 Page - Integrated Circuit Systems

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83947AYI-147
http://www.icst.com/products/hiperclocks.html
REV. A SEPTEMBER 24, 2004
7
Integrated
Circuit
Systems, Inc.
ICS83947I-147
LOW SKEW, 1-TO-9
LVCMOS/LVTTL FANOUT BUFFER
APPLICATION SCHEMATIC EXAMPLE
Figure 1 shows an example of ICS83947I-147 application sche-
matic. In this example, the device is operated at V
CC=3.3V. The
decoupling capacitors should be located as close as possible
to the power pin. The input is driven by a 3.3V LVCMOS driver.
C4
0.1u
VCC
Zo = 50 Ohm
R3
43
R2
43
R1
43
C2
0.1u
(U1-22)
C3
0.1u
C1
0.1u
C3
0.1u
(U1-10)
VDDO
(U1-18)
C5
0.1u
VDDO
(U1-14)
Zo = 50
U1
ICS83947I-147
1
2
3
4
5
6
7
8
17
18
19
20
21
22
23
24
GND
CLK_SEL
CLK0
CLK1
CLK_EN
OE
VDD
GND
GND
VDDO
Q5
GND
Q4
VDDO
Q3
GND
VCC
VDD=3.3V
LVCMOS
Zo = 50
Zo = 50 Ohm
(U1-27)
VDD
VDDO=3.3V
LVCMOS
C2
0.1u
(U1-31)
R3
43
For the LVCMOS output drivers, only one termination example
is shown in this schematic. Additional termination approaches
are shown in the LVCMOS Termination Application Note (refer
to ICS website).
FIGURE 1. ICS83947I-147 SCHEMATIC LAYOUT



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