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PI6C20400LE Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation

Part # PI6C20400LE
Description  1:4 Clock Driver for Intel PCI Express Chipsets
PDF  10 Pages
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Manufacturer  PERICOM [Pericom Semiconductor Corporation]
Direct Link  http://www.pericom.com
Logo PERICOM - Pericom Semiconductor Corporation

PI6C20400LE Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation

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1
PS8744A
06/23/05
Features
• Four Pairs of Differential Clocks
• Low skew < 50ps
• Low jitter < 50ps
• Output Enable for all outputs
• Outputs tristate control via SMBus
• Power Management Control
• Programmable PLL Bandwidth
• PLL or Fanout operation
• 3.3V Operation
• Packaging:
- 28-Pin SSOP (H) & 28-Pin TSSOP (L)
- Pb-Free and Green Option (HE and LE)
PI6C20400
Description
Pericom Semiconductors PI6C20400 is a high-speed, low-noise
differential clock buffer designed to be companion to PI6C410B.
The device distributes the differential SRC clock from PI6C410B
to four differential pairs of clock outputs either with or without
PLL. The clock outputs are controlled by input selection of
SRC_STOP#, PWRDWN# and SMBus, SCLK and SDA. When
input of either SRC_STOP# or PWRDWN# is low, the output
clocks are Tristated. When PWRDWN# is low, the SDA and
SCLK inputs must be Tristated.
Block Diagram
1:4 Clock Driver for Intel
PCI Express Chipsets
Pin Configuration
VDD_A
VSS_A
IREF
OE_INV
VDD
OUT3
OUT3#
OE_3
OUT2
OUT2#
VDD
PLL_BW#
SRC_STOP#
PWRDWN#
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VDD
SRC
SCR#
VSS
VDD
OUT0
OUT0#
OE_0
OUT1
OUT1#
VDD
PLL/BYPASS#
SCLK
SDA
OUT0
OUT0#
OUT0
OUT1#
OUT2
OUT2#
OUT3
OUT3#
DIV
Output
Control
SMBus
Controller
PLL
PLL_BW#
SRC
SRC#
PLL/BYPASS#
SCLK
SDA
OE_INV
OE_0 & OE_3
SRC_STOP#
PWRDWN#


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