ICS557G-05ALFT IDT, Integrated Device Technology Inc, ICS557G-05ALFT Datasheet - Page 7

• Manufacturer Part Number: ICS557G-05ALFT
• Description: IC CLK SOURCE QUAD DIFF 20-TSSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Generatorr

Specifications of ICS557G-05ALFT

• Input: Clock, Crystal
• 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: 20-TSSOP
• Frequency-max: 200MHz
• Number Of Elements: 1
• Supply Current: 105mA
• Pll Input Freq (min): 25MHz
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 70C
• Package Type: TSSOP
• Output Frequency Range: Up to 200MHz
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Commercial
• Pin Count: 20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 557G-05ALFT

LVDS Compatible Layout Guidelines
LVDS Device Routing
Typical LVDS Waveform
IDT® QUAD DIFFERENTIAL PCI-EXPRESS CLOCK SOURCE
ICS557-05A
QUAD DIFFERENTIAL PCI-EXPRESS CLOCK SOURCE
Vdiff
0.45v
0.58
0.80
0.60
R1a = R1b = R1
R2a = R2b = R2
HCSL Output Buffer
Figure 3
1000 mV
1150 mV
Vp-p
0.22v
0.28
0.40
0.3
t
OR
1250 mV
Alternative T ermination for LVDS and other Common Differential Signals
500 ps
Vcm
1.08
0.6
0.6
1.2
1325 mV
L1'
L1
500 ps
1250 mV
R1
33
33
33
33
R1a
R1b
1150 mV
t
OF
R2
150
78.7
78.7
174
L2'
L2
R2a
L3'
7
R3
100
137
none
140
R3
L3
R2b
R4
100
100
100
100
L4'
L4
Note
ICS874003i-02 input compatible
Standard LVDS
R4
ICS557-05A
REF_CLK Input
Down Device
PCIE SSCG
REV N 032311