IDTICS8523AGI03LN IDT, Integrated Device Technology Inc, IDTICS8523AGI03LN Datasheet - Page 7

• Manufacturer Part Number: IDTICS8523AGI03LN
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Driverr

Specifications of IDTICS8523AGI03LN

• Number Of Clock Inputs: 2
• Mode Of Operation: Differential
• Output Frequency: 650MHz
• Output Logic Level: LVHSTL
• 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: Compliant

W
Figure 2 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
8523AGI-03
IRING THE
D
IFFERENTIAL
I
F
NPUT TO
IGURE
Single Ended Clock Input
2. S
A
A
PPLICATION
INGLE
CCEPT
E
C1
0.1u
NDED
S
V_REF
INGLE
DD
www.idt.com
/2 is
S
IGNAL
E
7
I
NDED
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
D
1K
R1
1K
R2
IFFERENTIAL
RIVING
VDD
L
EVELS
nCLKx
D
CLKx
IFFERENTIAL
-
TO
-LVHSTL F
I
NPUT
DD
= 3.3V, V_REF should be 1.25V
ICS8523I-03
L
OW
ANOUT
S
REV. A AUGUST 12, 2010
KEW
, 1-
B
UFFER
TO
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