ICS557G-08LFT IDT, Integrated Device Technology Inc, ICS557G-08LFT Datasheet - Page 5

• Manufacturer Part Number: ICS557G-08LFT
• Description: IC MUX 2:1 PCI EXPRESS 16-TSSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Multiplexerr

Specifications of ICS557G-08LFT

• Input: HCSL, LVDS
• Output: HCSL, LVDS
• Frequency - Max: 200MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Frequency-max: 200MHz
• Number Of Clock Inputs: 2
• Mode Of Operation: Differential
• Output Frequency: 200MHz
• Output Logic Level: HCSL/LVDS
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.465V
• Package Type: TSSOP
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Signal Type: HCSL/LVDS
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 557G-08LFT

PCI-Express Layout Guidelines
PCI-Express Device Routing
Typical PCI-Express (HCSL) Waveform
IDT® 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS
ICS557-08
2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS
0
0.175 V
ICS557-08
t
OR
0.525 V
L1 length, Route as non-coupled 50 ohm trace.
L2 length, Route as non-coupled 50 ohm trace.
L3 length, Route as non-coupled 50 ohm trace.
R
R
L4 length, Route as coupled microstrip 100 ohm differential trace.
L4 length, Route as coupled stripline 100 ohm differential trace.
L4 length, Route as coupled microstrip 100 ohm differential trace.
L4 length, Route as coupled stripline 100 ohm differential trace.
Output
Clock
S
T
Common Recommendations for Differential Routing
500 ps
Differential Routing to a PCI Express Connector
700 mV
Differential Routing on a Single PCB
500 ps
L1
L1’
0.525 V
R
R
0.175 V
S
S
t
OF
L2’
L2
L3’
R
T
L3
R
5
T
L4’
L4
0.225 min to 12.6 max
Dimension or Value
Dimension or Value
Dimension or Value
1.8 min to 14.4 max
2 min to 16 max
0.25 to 14 max
0.5 max
0.2 max
0.2 max
49.9
33
PCI-Express
Connector
Load or
ICS557-08
PCIE MULTIPLEXER
inch
inch
inch
ohm
ohm
Unit
inch
inch
Unit
inch
inch
Unit
REV J 121510