ICS87322BYIT IDT, Integrated Device Technology Inc, ICS87322BYIT Datasheet - Page 8

• Manufacturer Part Number: ICS87322BYIT
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Dividerr

Specifications of ICS87322BYIT

• Number Of Clock Inputs: 2
• Mode Of Operation: Differential
• Output Frequency: 750MHz
• Output Logic Level: ECL/LVPECL
• Operating Supply Voltage (min): -3/3V
• Operating Supply Voltage (typ): -3.3/3.3V
• Operating Supply Voltage (max): -3.8/3.8V
• Package Type: LQFP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Signal Type: CML/LVDS/LVPECL/SSTL
• Mounting: Surface Mount
• Pin Count: 52
• Lead Free Status / RoHS Status: Not Compliant

F
LVPECL C
The CLK /nCLK accepts LVPECL, CML, SSTL and other
differential signals. Both V
and V
interface examples for the CLK/nCLK input driven by the
most common driver types. The input interfaces suggested
F
F
87322BYI
IGURE
IGURE
IGURE
3.3V
CMR
3.3V LVPECL
4A. CLK/nCLK I
4C. CLK/nCLK I
4E. CLK/nCLK I
3.3V
3.3V
input requirements. Figures 4A to 4E show
R5
100 - 200
LVPECL
CML
BY A
BY A
BY A
LOCK
CML D
R6
100 - 200
3.3V LVPECL D
3.3V LVPECL D
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
I
Zo = 50 Ohm
Zo = 50 Ohm
NPUT
RIVER
NPUT
NPUT
NPUT
SWING
I
NTERFACE
C1
C2
D
D
D
3.3V
R1
50
and V
3.3V
R3
125
RIVEN
RIVEN
RIVEN
R1
84
3.3V
R3
84
R1
125
R2
50
RIVER WITH
RIVER
R4
125
OH
R4
84
R2
84
PCLK
nPCLK
R2
125
must meet the V
3.3V
PCLK
nPCLK
HiPerClockS
PCLK/nPCLK
3.3V
PCLK
nPCLK
AC C
3.3V
Input
HiPerClockS
HiPerClockS
PCLK/nPCLK
OUPLE
www.idt.com
PP
8
here are examples only. If the driver is from another vendor,
use their termination recommendation. Please consult with
the vendor of the driver component to confirm the driver
termination requirements.
F
F
IGURE
IGURE
3.3V LVPECL/ECL C
3.3V
4B. CLK/nCLK I
4D. CLK/nCLK I
LVDS
2.5V
SSTL
BY AN
BY A
Zo = 50 Ohm
Zo = 50 Ohm
3.3V LVDS D
SSTL D
Zo = 60 Ohm
Zo = 60 Ohm
R5
100
NPUT
NPUT
RIVER
2.5V
R3
120
D
D
R1
120
C1
C2
L
RIVEN
RIVEN
RIVER
ICS87322BI
OW
R4
120
R2
120
LOCK
3.3V
R3
1K
R1
1K
S
PCLK
nPCLK
R4
1K
REV. C OCTOBER 13, 2010
KEW
R2
1K
3.3V
G
PCLK
nPCLK
HiPerClockS
PCLK/nPCLK
ENERATOR
3.3V
, ÷1/÷2,
HiPerClockS
PCL K/n PC LK