852911AVILF IDT, 852911AVILF Datasheet - Page 6

• Manufacturer Part Number: 852911AVILF
• Description: Clock Drivers & Distribution
• Manufacturer: IDT

Specifications of 852911AVILF

• Product Category: Clock Drivers & Distribution
• Rohs: yes
• Part # Aliases: ICS852911AVILF

W
Figure 1 shows how the differential input can be wired to accept
single ended levels. The reference voltage V_REF = V
generated by the bias resistors R1, R2 and C1. This bias circuit
should be located as close as possible to the input pin. The ratio
852911AVI
IRING THE
D
IFFERENTIAL
F
IGURE
I
NPUT TO
1. S
A
CLK_IN
PPLICATION
INGLE
0.1uF
A
C1
CCEPT
E
NDED
DD
S
www.idt.com
/2 is
S
INGLE
IGNAL
R1
1K
V_REF
R2
1K
6
I
NFORMATION
of R1 and R2 might need to be adjusted to position the V_REF in
the center of the input voltage swing. For example, if the input
clock swing is only 2.5V and V
and R2/R1 = 0.609.
D
V
E
RIVING
DD
NDED
+
-
D
IFFERENTIAL
D
L
IFFERENTIAL
EVELS
-
I
TO
NPUT
-HSTL F
DD
= 3.3V, V_REF should be 1.25V
L
ICS852911I
OW
ANOUT
S
KEW
REV. A AUGUST 5, 2010
, 1-
B
UFFER
TO
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