ICS8521BYI IDT, Integrated Device Technology Inc, ICS8521BYI Datasheet - Page 8

• Manufacturer Part Number: ICS8521BYI
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Driverr

Specifications of ICS8521BYI

• Number Of Clock Inputs: 2
• Mode Of Operation: Differential
• Output Frequency: 500MHz
• Output Logic Level: HSTL
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.465V
• Package Type: LQFP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / RoHS Status: Not Compliant

IDT™ / ICS™ LOW SKEW, 1-TO-9 DIFFERENTIAL-TO-HSTL FANOUT BUFFER
ICS8521I
LOW SKEW, 1-TO-9 DIFFERENTIAL-TO-HSTL FANOUT BUFFER
F
8521BYI
D
The CLK /nCLK accepts LVDS, LVPECL, HSTL, SSTL, HCSL
and other differential signals. Both V
V
face examples for the HiPerClockS CLK/nCLK input driven by
the most common driver types. The input interfaces suggested
F
F
IGURE
PP
IGURE
IGURE
IFFERENTIAL
3.3V
and V
R5,R6 locate near the driver pin.
3.3V
LVPECL
3C. H
3A. H
3E. H
1.8V
CMR
LVPECL
R5
100 - 200
input requirements. Figures 3A to 3E show inter-
LVHSTL
ICS
HiPerClockS
LVHSTL Driver
3.3V LVPECL D
ICS H
3.3V LVPECL D
I
I
I
P
P
P
Integrated
Circuit
Systems, Inc.
C
ER
ER
ER
Zo = 50 Ohm
Zo = 50 Ohm
LOCK
R6
100 - 200
C
Zo = 50 Ohm
Zo = 50 Ohm
C
C
I
P
LOCK
Zo = 50 Ohm
Zo = 50 Ohm
LOCK
LOCK
ER
C
I
S CLK/
NPUT
S CLK/
LOCK
S CLK/
RIVER
S HSTL D
RIVER WITH
R1
50
3.3V
R3
125
C1
C2
I
R1
84
NTERFACE
SWING
N
N
N
CLK I
CLK I
CLK I
R2
50
3.3V
R3
125
R4
125
R1
84
R2
84
and V
CLK
nCLK
R4
125
www.icst.com/products/hiperclocks.html
NPUT
R2
84
AC C
NPUT
CLK
nCLK
NPUT
RIVER
3.3V
OH
3.3V
HiPerClockS
Input
must meet the
HiPerClockS
Input
D
D
D
OUPLE
CLK
nCLK
RIVEN BY
RIVEN BY
RIVEN BY
3.3V
HiPerClockS
Input
8
8
here are 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 ICS
HiPerClockS HSTL drivers. If you are using an HSTL driver from
another vendor, use their termination recommendation.
F
F
IGURE
IGURE
D
3.3V
3.3V
IFFERENTIAL
3D. H
3B. H
LVDS_Driv er
LVPECL
3.3V LVDS D
3.3V LVPECL D
I
I
P
P
Zo = 50 Ohm
Zo = 50 Ohm
ER
ER
C
C
LOCK
LOCK
Zo = 50 Ohm
Zo = 50 Ohm
-
TO
S CLK/
S CLK/
-HSTL F
RIVER
R1
50
RIVER
R3
50
L
N
N
R2
50
CLK I
CLK I
OW
R1
100
CLK
nCLK
ANOUT
3.3V
S
REV. A NOVEMBER 17, 2005
NPUT
NPUT
HiPerClockS
KEW
Input
CLK
nCLK
D
D
3.3V
, 1-
RIVEN BY
B
RIVEN BY
Receiv er
UFFER
TO
ICS8521I
-9
TSD