ICS85357AG-01 IDT, Integrated Device Technology Inc, ICS85357AG-01 Datasheet - Page 7

• Manufacturer Part Number: ICS85357AG-01
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Multiplexerr

Specifications of ICS85357AG-01

• Number Of Clock Inputs: 4/2
• Mode Of Operation: Differential
• Output Frequency: 750MHz
• Output Logic Level: ECL/LVPECL
• Operating Supply Voltage (min): -3.135/3.135V
• Operating Supply Voltage (typ): -3.3/3.3V
• Operating Supply Voltage (max): -3.465/3.465V
• Package Type: TSSOP
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / RoHS Status: Not Compliant

F
F
85357AG-01
D
The CLK /nCLK accepts LVDS, LVPECL, LVHSTL, SSTL, HCSL
and other differential signals. Both V
the V
interface examples for the CLK/nCLK input driven by the most
common driver types. The input interfaces suggested here are
F
IGURE
IGURE
IGURE
IFFERENTIAL
3.3V
R5,R6 locate near the driver pin.
PP
3.3V
3C. CLK/nCLK I
LVPECL
3A. CLK/nCLK I
3E. CLK/
and V
1.8V
LVPECL
R5
100 - 200
LVHSTL
ICS
HiPerClockS
LVHSTL Driver
LVHSTL D
3.3V LVPECL D
CMR
3.3V LVPECL D
C
input requirements. Figures 3A to 3E show
Zo = 50 Ohm
Zo = 50 Ohm
LOCK
R6
100 - 200
N
Zo = 50 Ohm
Zo = 50 Ohm
CLK I
Zo = 50 Ohm
Zo = 50 Ohm
RIVER
I
NPUT
NPUT
NPUT
NPUT
RIVER
R1
50
D
D
D
3.3V
R3
125
C1
C2
RIVER WITH
I
R1
84
RIVEN BY
RIVEN BY
RIVEN BY
NTERFACE
SWING
R2
50
3.3V
R3
125
R4
125
R1
84
R2
84
D
CLK
nCLK
and V
R4
125
IFFERENTIAL
R2
84
CLK
nCLK
AC C
3.3V
3.3V
HiPerClockS
Input
OH
HiPerClockS
Input
OUPLE
CLK
nCLK
must meet
3.3V
HiPerClockS
Input
www.idt.com
-
TO
7
-3.3V LVPECL / ECL C
F
examples only. Please consult with the vendor of the driver
component to confirm the driver termination requirements. For
example in Figure 3A, the input termination applies for LVHSTL
drivers. If you are using an LVHSTL driver from another
vendor, use their termination recommendation.
F
IGURE
IGURE
3.3V
3.3V
3D. CLK/nCLK I
3B. CLK/nCLK I
LVDS_Driv er
LVPECL
3.3V LVPECL D
3.3V LVDS D
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
NPUT
NPUT
RIVER
R1
50
D
R3
50
D
RIVER
ICS85357-01
RIVEN BY
RIVEN BY
LOCK
R2
50
R1
100
CLK
nCLK
3.3V
M
HiPerClockS
Input
4:1
ULTIPLEXER
REV. B JULY 29, 2010
CLK
nCLK
3.3V
OR
Receiv er
2:1