ICS85354AKLFT IDT, Integrated Device Technology Inc, ICS85354AKLFT Datasheet - Page 12

• Manufacturer Part Number: ICS85354AKLFT
• Description: IC MUX DUAL 2:1 1:2 16-VFQFPN
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™r
• Type: Multiplexerr

Specifications of ICS85354AKLFT

• Number Of Circuits: 2
• Ratio - Input:output: 2:1, 1:2
• Differential - Input:output: Yes/Yes
• Input: CML, LVDS, LVPECL
• Output: LVPECL
• Frequency - Max: 3.2GHz
• Voltage - Supply: 2.375 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-VFQFN
• Frequency-max: 3.2GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 85354AKLFT

A Typical Application for the ICS85354
Used to connect a multi-rate PHY with the Tx/Rx pins of an SFP
Module.
Problem Addressed: How to map the 2 Tx/Rx pairs of the multi-rate
PHY to the single Tx/Rx pair on the SFP Module.
Mode 1, 100BaseX Connected to SFP
All lines are differential pairs, but drawn as single-ended to simplify
the drawing.
IDT™ / ICS™ LVPECL/ECL MULTIPLEXER
ICS85354
DUAL 2:1 AND 1:2, DIFFERENTIAL-TO-LVPECL/ECL MULTIPLEXER
M
M
100BaseFX
1000BaseX
ULTI
100BaseFX
ULTI
1000BaseX
-R
-R
ATE
ATE
PHY
PHY
Rx
Tx
Rx
Tx
Tx
Rx
Tx
Rx
CLK_SELA = 0
CLKA0
CLKA1
QB0
QB1
ICS85354
?
0
1
QA
CLKB
12
Bold red lines
signal path.
Rx
Tx
Rx
Tx
SFP M
CLK_SELB = 0
SFP M
ODULE
ODULE
are active connections highlighting the
ICS85354AK REV. C NOVEMBER 04, 2008