ICS853111BYLF IDT, Integrated Device Technology Inc, ICS853111BYLF Datasheet - Page 8

• Manufacturer Part Number: ICS853111BYLF
• Description: IC FANOUT BUFF LVPECL/ECL 32TQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™r
• Type: Fanout Buffer (Distribution), Multiplexerr

Specifications of ICS853111BYLF

• Number Of Circuits: 1
• Ratio - Input:output: 2:10
• Differential - Input:output: Yes/Yes
• Input: CML, LVDS, LVPECL, SSTL
• Output: ECL, LVPECL
• Frequency - Max: 3GHz
• Voltage - Supply: 2.375 V ~ 3.8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFP, 32-VQFP
• Frequency-max: 3GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 800-1165; 853111BYLF

Figure 2A 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
W
Figure 2B shows an example of the differential input that can
be wired to accept single ended LVPECL levels. The reference
voltage level V
IDT
W
ICS853111B
LOW SKEW, 1-TO-10, DIFFERENTIAL-TO-2.5V, 3.3V LVPECL/ECL FANOUT BUFFER
IRING THE
IRING THE
™
/ ICS
™
1-TO-10, LVPECL/ECL FANOUT BUFFER
D
D
BB
IFFERENTIAL
IFFERENTIAL
generated from the device is connected to the
F
IGURE
I
I
NPUT TO
NPUT TO
2B. S
F
IGURE
INGLE
A
Single Ended Clock Input
A
A
PPLICATION
CCEPT
CCEPT
2A. S
E
NDED
INGLE
S
S
INGLE
LVPECL S
INGLE
CLK_IN
0.1uF
C1
0.1u
E
C1
NDED
CC
/2 is
E
V_REF
E
NDED
NDED
I
S
NFORMATION
IGNAL
IGNAL
8
LVPECL L
LVCMOS L
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.
negative input. The C1 capacitor should be located as close as
possible to the input pin.
R1
1K
R2
1K
D
D
+
VBB
-
RIVING
V
RIVING
CC
VDD(or VCC)
PCLKx
nPCLKx
D
D
IFFERENTIAL
IFFERENTIAL
EVELS
EVELS
I
ICS853111BY REV. B SEPTEMBER 5, 2007
I
NPUT
NPUT
CC
= 3.3V, V_REF should be 1.25V