sy89826l Micrel Semiconductor, sy89826l Datasheet - Page 8

• Manufacturer Part Number: sy89826l
• Description: Sy89826l 3.3v 1ghz Precision 1 22 Lvds Fanout Buffer/translator With 2 1 Input Mux
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
nominal 1.25V common mode above ground. The common
mode voltage has tight limits to permit large variations in
ground between an LVDS driver and receiver. Also, change
M9999-011907
[e-mail] or [phone]
LVPECL/LVDS INPUTS
LVDS OUTPUTS
LVDS specifies a small swing of 350mV typical, on a
/Q
Q
OUT
OUT
Figure 3. LVDS Differential Measurement
Figure 1. Simplified LVPECL Input Stage
Figure 5. Output Driver Signal Levels
/LVPECL_CLK
LVPECL_CLK
GND
v
OH
(Single-Ended)
, v
OL
75k
GND
V
v
CC
OH
75k
, v
v
OL
OD
100
1%
350mV
(typical)
8
in common mode voltage, as a function of data input, is
also kept tight, to keep EMI low.
/Q
Q
OUT
OUT
Figure 4. LVDS Common Mode Measurement
Figure 2. Simplified LVDS Input Stage
Figure 6. Output Driver Signal Levels
LVDS_CLK
/LVDS_CLK
GND
1.9k
(Differential)
100
49.9 , 1%
49.9 , 1%
1.4k
GND
V
CC
1.4k
700mV
Q
1.9k
OUT
Precision Edge
— /Q
v
OCM
v
OCM
SY89826L
,
OU
®