ICS858012AKLFT View Datasheet(PDF) - Integrated Circuit Systems
Part Name
Description
MFG CO.
ICS858012AKLFT
Integrated Circuit Systems
'ICS858012AKLFT' PDF : 15 Pages View PDF
Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS858012
LOW SKEW, 1-TO-2, DIFFERENTIAL-TO-
2.5V, 3.3V LVPECL FANOUT BUFFER
2.5V DIFFERENTIAL INPUT WITH BUILT-IN 50Ω TERMINATION UNUSED INPUT HANDLING
To prevent oscillation and to reduce noise, it is recommended to
have pullup and pulldown connect to true and compliment of the
unused input as shown in Figure 3.
2.5V
2.5V
R1
680
IN
VT
nIN
R2
680
Receiver
with
Built-In
50 Ohm
FIGURE 3. UNUSED INPUT HANDLING
3.3V DIFFERENTIAL INPUT WITH BUILT-IN 50Ω TERMINATION UNUSED INPUT HANDLING
To prevent oscillation and to reduce noise, it is recommended to
have pullup and pulldown connect to true and compliment of the
unused input as shown in Figure 4.
3.3V
3.3V
R1
1K
IN
VT
nIN
R2
1K
Receiver
with
Built-In
50 Ohm
FIGURE 4. UNUSED INPUT HANDLING
858012AK
www.icst.com/products/hiperclocks.html
8
REV. A NOVEMBER 28, 2005
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