sy89536l Micrel Semiconductor, sy89536l Datasheet - Page 15

• Manufacturer Part Number: sy89536l
• Description: Sy89536l 3.3v, Precision, 33mhz To 500mhz Programmable Lvpecl And Hstl Bus Clock Synthesizer
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
Note 1.
Note 2.
Note 3.
M9999-010808
[e-mail] or [phone]
OUTPUT TERMINATION RECOMMENDATIONS
Place termination resistors as close to destination inputs as possible.
PECL Y-termination is a power-saving alternative to Thevenin termination.
R
b
resistor sets the DC bias voltage, equal to V
Figure 5. PECL Parallel Termination Thevenin Equivalent
Figure 6. PECL Three-Resistor “Y-Termination”
+3.3V
“Source”
“Source”
+3.3V
Source
Figure 7. HSTL Differential Termination
+3.3V
Z
t
Z
. For +3.3V systems R
O
O
Z
Z
= 50
= 50
O
O
Z
Z
O
O
= 50
= 50
= 50
= 50
R1
130
R2
82
50
15
50
+3.3V
b
50
50
= 46 to 50 .
R b
50
R1
130
R2
82
“Destination”
+3.3V
Destination
+3.3V
C1 (optional)
0.01 F
V
“Destination”
t
(Note 1)
= V
+3.3V
(Notes 1, 2, 3)
CC
–2V
(Note 1)
Precision Edge
SY89536L
®