ICS85411AMLF IDT, Integrated Device Technology Inc, ICS85411AMLF Datasheet - Page 8

• Manufacturer Part Number: ICS85411AMLF
• Description: IC FANOUT BUFF DIFF-LVDS 8-SOIC
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™r
• Type: Fanout Buffer (Distribution)r

Specifications of ICS85411AMLF

• Number Of Circuits: 1
• Ratio - Input:output: 1:2
• Differential - Input:output: Yes/Yes
• Input: HCSL, LVDS, LVHSTL, LVPECL, SSTL
• Output: LVDS
• Frequency - Max: 650MHz
• Voltage - Supply: 2.97 V ~ 3.63 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC
• Frequency-max: 650MHz
• Number Of Outputs: 4
• Operating Supply Voltage (max): 3.63V
• Operating Temp Range: 0C to 70C
• Propagation Delay Time: 2.5ns
• Operating Supply Voltage (min): 2.97V
• Mounting: Surface Mount
• Pin Count: 8
• Operating Supply Voltage (typ): 3.3V
• Package Type: SOIC
• Duty Cycle: 53%
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 800-1184; 800-1184-5; 800-1184; 85411AMLF

W
IDT
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
R
O
LVDS
All unused LVDS output pairs can be either left floating or
terminated with 100
should be no trace attached.
ECOMMENDATIONS FOR
ICS85411
LOW SKEW, 1-TO-2 DIFFERENTIAL-TO-LVDS FANOUT BUFFER
UTPUTS
IRING THE
™
/ ICS
™
:
DIFFERENTIAL-TO-LVDS FANOUT BUFFER
D
IFFERENTIAL
across. If they are left floating, there
U
NUSED
I
NPUT TO
F
IGURE
O
Single Ended Clock Input
UTPUT
A
CCEPT
1. S
A
PPLICATION
P
INGLE
INS
S
INGLE
E
C1
0.1u
NDED
V_REF
DD
E
/2 is
S
NDED
IGNAL
8
I
L
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.
1K
D
R1
1K
R2
EVELS
RIVING
VDD
CLK
nCLK
D
IFFERENTIAL
I
NPUT
ICS85411AM REV. C JANUARY 20, 2009
DD
= 3.3V, V_REF should be 1.25V