ICS852911I Datasheet, PDF (9/15 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-9 DIFFERENTIAL-TO-HSTL FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
ICS852911I
LOW SKEW, 1-TO-9
DIFFERENTIAL-TO-HSTL FANOUT BUFFER
SCHEMATIC EXAMPLE
Figure 4 shows a schematic example of ICS852911I. In this
example, the input is driven by an ICS HiPerClockS HSTL
driver. The decoupling capacitors should be physically located
near the power pin.
VCC O
U1
Zo = 50 Ohm
Zo = 50 Ohm
HSTL Driv er
R9
50
R10
50
(U1-8)
VCC O
(U1-15)
(U1-22)
VCC
C9
0. 1u
26
27
28
1
VEE
C LK_SEL
H STL_C LK
2
3
4
VC C
nHSTL_CLK
PEC L_CLK
nPECL_C LK
IC S852911I
R12
1K
C1
0. 1uF
C2
0. 1uF
C3
0. 1uF
VCC=3.3V
VCCO=1.6V to 3.6V
Zo = 50
Zo = 50
VCC O
+
-
R2 R1
50 50
Q3
nQ3
Q4
18
17
16
15
VCC O
nQ4
Q5
nQ5
14
13
12
Zo = 50
Zo = 50
+
-
R8 R7
50 50
FIGURE 4. ICS852911I HSTL BUFFER SCHEMATIC EXAMPLE
852911AVI
www.icst.com/products/hiperclocks.html
9
REV. A MAY 23, 2005