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ICS9DB801C датащи(PDF) 6 Page - Integrated Device Technology

номер детали ICS9DB801C
подробное описание детали  Eight Output Differential Buffer for PCI Express (50-200MHz)
PDF  19 Pages
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производитель  IDT [Integrated Device Technology]
домашняя страница  http://www.idt.com
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ICS9DB801C датащи(HTML) 6 Page - Integrated Device Technology

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IDTTM/ICSTM Eight Output Differential Buffer for PCI Express (50-200MHz)
ICS9DB801C
REV C 08/16/07
ICS9DB801C
Eight Output Differential Buffer for PCI Express (50-200MHz)
6
Pin Description for OE_INV = 1
PIN #
PIN NAME
PIN TYPE
DESCRIPTION
25
GND
PWR
Ground pin.
26
PD
IN
Asynchronous active high input pin used to power down the
device. The internal clocks are disabled and the VCO is
stopped.
27
SRC_STOP
IN
Active high input to stop SRC outputs.
28
HIGH_BW#
IN
3.3V input for selecting PLL Band Width
0 = High, 1= Low
29
DIF_4#
OUT
0.7V differential complement clock outputs
30
DIF_4
OUT
0.7V differential true clock outputs
31
VDD
PWR
Power supply, nominal 3.3V
32
GND
PWR
Ground pin.
33
DIF_5#
OUT
0.7V differential complement clock outputs
34
DIF_5
OUT
0.7V differential true clock outputs
35
OE5#
IN
Active low input for enabling DIF pair 5.
1 = tri-state outputs, 0 = enable outputs
36
OE6#
IN
Active low input for enabling DIF pair 6.
1 = tri-state outputs, 0 = enable outputs
37
DIF_6#
OUT
0.7V differential complement clock outputs
38
DIF_6
OUT
0.7V differential true clock outputs
39
VDD
PWR
Power supply, nominal 3.3V
40
OE_INV
IN
This latched input selects the polarity of the OE pins.
0 = OE pins active high, 1 = OE pins active low (OE#)
41
DIF_7#
OUT
0.7V differential complement clock outputs
42
DIF_7
OUT
0.7V differential true clock outputs
43
OE4#
IN
Active low input for enabling DIF pair 4
1 = tri-state outputs, 0 = enable outputs
44
OE7#
IN
Active low input for enabling DIF pair 7.
1 = tri-state outputs, 0 = enable outputs
45
LOCK
OUT
3.3V output indicating PLL Lock Status. This pin goes high
when lock is achieved.
46
IREF
IN
This pin establishes the reference current for the differential
current-mode output pairs. This pin requires a fixed precision
resistor tied to ground in order to establish the appropriate
current. 475 ohms is the standard value.
47
GNDA
PWR
Ground pin for the PLL core.
48
VDDA
PWR
3.3V power for the PLL core.



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