85310AYI-01LF Integrated Device Technology (Idt), 85310AYI-01LF Datasheet - Page 9

• Manufacturer Part Number: 85310AYI-01LF
• Description: Clock Driver 2-IN ECL/LVPECL 32-Pin LQFP Tray
• Manufacturer: Integrated Device Technology (Idt)

Specifications of 85310AYI-01LF

• Package: 32LQFP
• Configuration: 1 x 2:1
• Input Signal Type: HCSL/LVDS/LVHSTL/LVPECL/SSTL
• Maximum Output Frequency: 700 MHz
• Operating Supply Voltage: -2.5|-3.3|3.3 V

ICS5310I-01 Data Sheet
Differential Clock Input Interface
The CLK /nCLK accepts LVDS, LVPECL, LVHSTL, SSTL, HCSL and
other differential signals. Both V
and V
examples for the CLK/nCLK input driven by the most common driver
types. The input interfaces suggested here are examples only.
Figure 2A. CLK/nCLK Input Driven by an
Figure 2C. CLK/nCLK Input Driven by a
Figure 2E. CLK/nCLK Input Driven by a
ICS85310AYI-01 REVISION I JANUARY 25, 2010
2.5V
CMR
3.3V
1.8V
HCSL
LVPECL
*Optional – R3 and R4 can be 0Ω
input requirements. Figures 2A to 2F show interface
LVHSTL
IDT
HiPerClockS
LVHSTL Driver
IDT Open Emitter LVHSTL Driver
3.3V LVPECL Driver
3.3V HCSL Driver
*R3
*R4
Zo = 50Ω
Zo = 50Ω
33
33
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
SWING
R3
125
R1
50
3.3V
R1
84
R1
50
and V
R4
125
R2
50
R2
84
R2
50
OH
CLK
nCLK
must meet the V
CLK
nCLK
CLK
nCLK
3.3V
3.3V
3.3V
Differential
Input
Differential
Input
Differential
Input
PP
LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-3.3V, 2.5V LVPECL/ECL FANOUT BUFFER
9
Please consult with the vendor of the driver component to confirm the
driver termination requirements. For example, in Figure 2A, the input
termination applies for IDT open emitter LVHSTL drivers. If you are
using an LVHSTL driver from another vendor, use their termination
recommendation.
Figure 2B. CLK/nCLK Input Driven by a
Figure 2D. CLK/nCLK Input Driven by a
3.3V LVDS Driver
Figure 2F. CLK/nCLK Input Driven by a
2.5V
3.3V
3.3V
LVDS
SSTL
LVPECL
3.3V LVPECL Driver
2.5V SSTL Driver
Zo = 60Ω
Zo = 60Ω
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
Zo = 50Ω
©2010 Integrated Device Technology, Inc.
R3
120
2.5V
R1
120
R1
50
R2
50
R4
120
R2
120
R2
50
R1
100
CLK
nCLK
CLK
nCLK
CLK
nCLK
3.3V
3.3V
3.3V
Differential
Input
Differential
Input
Receiver