ICS85354AK ICST [Integrated Circuit Systems], ICS85354AK Datasheet - Page 2

• Manufacturer Part Number: ICS85354AK
• Description: DUAL 2:1/1:2 DIFFERENTIAL -TO-LVPECL/ECL MULTIPLEXER
• Manufacturer: ICST [Integrated Circuit Systems]

A T
Used to connect a multi-rate PHY with the Tx/Rx pins of an
SFP Module.
Problem Addressed: How to mape the 2 Tx/Rx pairs of the
multi-rate PHY to the single Tx/Rx pair on the SFP Module.
M
All lines are differential pairs, but drawn as single-ended to
simplify the drawing.
85354AK
ODE
YPICAL
1, 100B
M
A
100BaseFX
ULTI
1000BaseX
PPLICATION FOR THE
Integrated
Circuit
Systems, Inc.
-R
ASE
ATE
X C
PHY
ONNECTED TO
M
ULTI
Tx
Rx
Tx
Rx
100BaseFX
1000BaseX
-R
ATE
ICS85354
PHY
CLK_SELA = 0
SFP
Rx
Rx
www.icst.com/products/hiperclocks.html
Tx
Tx
PRELIMINARY
CLKA0
CLKA1
➣
➣
QB0
QB1
➣
➣
ICS85354
D
?
2
IFFERENTIAL
0
1
Bold red lines
signal path.
➣
QA
CLKB
➣
Rx
Tx
-
TO
SFP M
-LVPECL/ECL M
are active connections highlighting the
Rx
Tx
ODULE
CLK_SELB = 0
SFP M
ODULE
ICS85354
D
UAL
REV. B JUNE 8, 2004
ULTIPLEXER
2:1/1:2