85214AGI IDT, Integrated Device Technology Inc, 85214AGI Datasheet - Page 8

• Manufacturer Part Number: 85214AGI
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Driverr

Specifications of 85214AGI

• Number Of Clock Inputs: 2
• Output Frequency: 700MHz
• Output Logic Level: HSTL
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.465V
• Package Type: TSSOP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / RoHS Status: Not Compliant

F
85214AGI
F
D
The CLK /nCLK accepts LVDS, LVPECL, LVHSTL, SSTL, HCSL
and other differential signals. Both V
V
interface examples for the CLK/nCLK input driven by the most
common driver types. The input interfaces suggested here
F
IGURE
IGURE
PP
IGURE
IFFERENTIAL
3.3V
and V
R5,R6 locate near the driver pin.
3.3V
3C. CLK/nCLK I
LVPECL
3A. CLK/nCLK I
3E. CLK/
1.8V
LVPECL
CMR
R5
100 - 200
LVHSTL
ICS
HiPerClockS
LVHSTL Driver
LVHSTL D
3.3V LVPECL D
3.3V LVPECL D
input requirements. Figures 3A to 3E show
C
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
R1
50
D
RIVER
D
D
3.3V
R3
125
RIVER WITH
C1
C2
I
R1
84
RIVEN BY
RIVEN BY
RIVEN BY
NTERFACE
SWING
R2
50
3.3V
R3
125
R4
125
R1
84
R2
84
and V
CLK
nCLK
R4
125
R2
84
AC C
CLK
nCLK
3.3V
OH
3.3V
HiPerClockS
Input
must meet the
HiPerClockS
Input
OUPLE
CLK
nCLK
3.3V
HiPerClockS
Input
www.idt.com
8
F
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 LVHSTL
drivers. If you are using an LVHSTL driver from another
vendor, use their termination recommendation.
F
IGURE
IGURE
D
3.3V
3.3V
IFFERENTIAL
3D. CLK/nCLK I
3B. CLK/nCLK I
LVDS_Driv er
LVPECL
3.3V LVDS D
3.3V LVPECL D
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
-
TO
NPUT
NPUT
-HSTL F
RIVER
R1
50
D
R3
50
D
RIVER
RIVEN BY
RIVEN BY
L
R2
50
OW
R1
100
ICS85214I
CLK
nCLK
ANOUT
3.3V
S
HiPerClockS
KEW
Input
REV. B JULY 25, 2010
CLK
nCLK
3.3V
, 1-
B
Receiv er
UFFER
TO
-5