sy58021u Micrel Semiconductor, sy58021u Datasheet - Page 7

• Manufacturer Part Number: sy58021u
• Description: Sy58021u 4ghz, 1 4 Lvpecl Fanout Buffer/ Translator With Internal Termination
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
M9999-082807
[e-mail] or [phone]
INPUT STAGE
INPUT INTERFACE APPLICATIONS
0.01µF
Figure 3d. DC-Coupled CML
Option: May connect V
For V
For V
V
LVPECL
Figure 3a. LVPECL
CC
V
CML
CC
Input Interface
Input Interface
CC
CC
V
DD
= 2.5V, R
= 3.3V, R
NC
NC
R
pd
NC
pd
pd
IN
/IN
VT
V
= 19Ω
= 50Ω
REF-AC
T
V
IN
/IN
VT
V
to V
SY58021U
CC
REF-AC
V
SY58021U
CC
CC
Figure 2. Simplified Differential Input Buffer
For 3.3V, R
For 2.5V, R
Figure 3b. AC-Coupled LVPECL
Figure 3e. AC-Coupled CML
V
LVPECL
CC
/IN
V
IN
V
T
R
CML
0.01µF
CC
pd
pd
pd
Input Interface
Input Interface
= 100Ω
= 50Ω
50Ω
50Ω
0.01µF
V
CC
R
pd
7
IN
V
/IN
VT
V
REF-AC
CC
GND
V
V
CC
SY58021U
CC
IN
/IN
VT
V
REF-AC
V
SY58021U
CC
V
LVDS
CC
Figure 3c. LVDS
Input Interface
NC
NC
IN
/IN
VT
V
REF-AC
V
SY58021U
CC
Precision Edge
SY58021U
®