參數(shù)資料
型號: PM7351
廠商: PMC-Sierra, Inc.
英文描述: OCTAL SERIAL LINK MULTIPLEXER
中文描述: 八路串行連接復(fù)用器
文件頁數(shù): 23/174頁
文件大?。?/td> 1790K
代理商: PM7351
RELEASED
PM7351 S/UNI-VORTEX
DATA SHEET
PMC-1980582
ISSUE 5
OCTAL SERIAL LINK MULTIPLEXER
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
13
8
PIN DESCRIPTION
Ball
Name
Type
Ball
No.
Function
High Speed LVDS Links
RXD0+
RXD0-
RXD1+
RXD1-
RXD2+
RXD2-
RXD3+
RXD3-
RXD4+
RXD4-
RXD5+
RXD5-
RXD6+
RXD6-
RXD7+
RXD7-
Diff.
LVDS
Input
D3
E4
F3
G4
G3
H4
L1
L2
P1
P2
U3
T4
V3
U4
Y3
W4
The high-speed receive data (RXD0+/- - RXD7+/-)
inputs present NRZ data from a serial backplane.
These are truly differential inputs offering superior
common-mode noise rejection. They have sufficient
sensitivity and common-mode range to support LVDS
signals.
These inputs are high-impedance. An external
resistor must be connected between the two pins of a
signal pair to terminate the transmission line. D.C. or
A.C. coupling may be used depending on the
application.
TXD0+
TXD0-
TXD1+
TXD1-
TXD2+
TXD2-
TXD3+
TXD3-
TXD4+
TXD4-
TXD5+
TXD5-
TXD6+
TXD6-
TXD7+
TXD7-
Diff.
LVDS
Output
C1
D2
D1
E2
E1
F2
K1
K2
N1
N2
W1
V2
Y1
W2
AA1
Y2
The transmit differential data (TXD0+/- -TXD7+/-)
outputs present NRZ encoded data to a serial
backplane. These outputs are open drain current
sinks which interface directly with twisted-pair cabling
or board interconnect. D.C. or A.C. coupling may be
used depending on the application.
As current sinks, these outputs must see a 100
reflected impedance between the pins in a signal pair
to produce correct LVDS signal levels.
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