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PI6C21200VE Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation

Part # PI6C21200VE
Description  1:12 Clock Driver for Intel PCI-Express Chipsets
PDF  15 Pages
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Manufacturer  PERICOM [Pericom Semiconductor Corporation]
Direct Link  http://www.pericom.com
Logo PERICOM - Pericom Semiconductor Corporation

PI6C21200VE Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation

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1
PS8820
02/28/06
Features
• Twelve Pairs of PCI-Express Differential Clocks (HCSL
compatible signaling)
• Low skew < 50ps
• Low jitter < 50ps
• Output Enable for all outputs
• Outputs tristate control via SMBus
• Power Management Control
• Programmable PLL Bandwidth
• PLL or Fan out operation
• Gear Ratio supporting different output frequencies
• 3.3V Operation
• 56-pin Packages (Pb-Free & Green):
- TSSOP (A56) and SSOP (V56)
Description
PI6C21200 is a high-speed, low-noise PCI-Express differential
clock buffer designed to be a companion with PI6C410B clock
synthesizer. The device distributes twelve copies of the
differential SRC clock coming from PI6C410B. The output
frequency can be ratioed to offer a derivative frequency from
the input frequency. Each differential output is controlled by
individual OE pin, except OUT10 and OUT11 are sharing one
OE_10#_11# pin. The clock outputs are controlled by input selec-
tion of SA_0, SA_1, SA_2 via SMBus, SCLK and SDA.
Block Diagram
Pinout Diagram
PI6C21200
1:12 Clock Driver for Intel PCI-Express Chipsets
OUT0
OUT0#
OUT2
OUT2#
OUT1
OUT1#
OUT3
OUT3#
OUT4
OUT4#
OUT5
OUT5#
OUT6
OUT6#
OUT7
OUT7#
OUT8
OUT8#
OUT9
OUT9#
OUT10
OUT10#
OUT11
OUT11#
HIGH_BW#
PLL
SRC
SCR#
SA_2 /
PLLBypress#
SA_[0:1]
SCLK
SDA
OE [0:10]#
VTT_PWRGD#
/ PWRDWN
SMBus
Controller
Output
Control
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
HIGH_BW#
SRC_IN
SRC_IN#
SA_0
OE_0#
OUT0
OUT0#
OE_1#
OUT1
OUT1#
VDD
VSS
OUT2
OUT2#
OE_2#
OUT3
OUT3#
OE_3#
OUT4
OUT4#
OE_4#
VDD
VSS
OUT5
OUT5#
OE_5#
SA_1
SDA
VDD_A
VSS_A
IREF
OE_10#_11#
OUT11
OUT11#
VDD
VSS
OUT10
OUT10#
FS_A
VTT_PWRGD# / PWRDWN
OE_9#
OUT9
OUT9#
OE_8#
OUT8
OUT8#
VDD
VSS
OUT7
OUT7#
OE_7#
OUT6
OUT6#
OE_6#
SA_2 /PLLBypass#
SCL


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