sy58035u Micrel Semiconductor, sy58035u Datasheet - Page 10

• Manufacturer Part Number: sy58035u
• Description: Sy58035u 4.5ghz, 1 6 Lvpecl Fanout Buffer W/ 2 1 Mux Input And Internal Termination
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
emitter) impedance, and small signal swing, which results
in low EMI. LVPECL is ideal driving 50Ω and 100Ω controlled
impedance transmission lines. There are several techniques
M9999-082707
[e-mail] or [phone]
Note: For 2.5V systems:
Part Number
SY58034U
SY58036U
HBW Solutions
+3.3V
RELATED MICREL PRODUCTS AND SUPPORT DOCUMENTATION
OUTPUT INTERFACE APPLICATIONS
LVPECL has high input impedance, very low output (open
R1 = 250Ω, R2 = 62.5Ω
Figure 4a. Parallel Thevenin-Equivalent
Z
Z
O
O
= 50Ω
Function
6GHz, 1:6 CML Fanout Buffer with 2:1
MUX Input and Internal I/O Termination
6GHz, 1:6 400mV LVPECL Fanout Buffer with 2:1
MUX Input and Internal Termination
MLF
New Products and Applications
= 50Ω
®
Application Note
Termination
R1
130Ω
R2
82Ω
+3.3V
R1
130Ω
R2
82Ω
+3.3V
10
for terminating the LVECL output: parallel-thevenin
equivalent and parallel termination (3-resistor). Unused
output pairs may be left floating. However, single-ended
outputs must be terminated, or balanced.
Data Sheet Link
http://www.micrel.com/product-info/products/sy58034u.shtml
http://www.micrel.com/product-info/products/sy58036u.shtml
www.amkor.com/products/notes_papers/MLF_AppNote_0902.pdf
www.micrel.com/product-info/products/solutions.shtml
Note: For 2.5V systems:
“source”
+3.3V
R b = 19Ω
Figure 4b. Parallel Termination
Z = 50Ω
Z = 50Ω
(3-Resistor)
50Ω
50Ω
R b C1
50Ω
0.01µF
(optional)
Precision Edge
“destination”
+3.3V
SY58035U
V
CC
®