参数资料
型号: SY89826LHG
厂商: MICREL INC
元件分类: 时钟及定时
英文描述: 89826 SERIES, LOW SKEW CLOCK DRIVER, 22 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP64
封装: LEAD FREE, TQFP-64
文件页数: 8/9页
文件大小: 120K
代理商: SY89826LHG
8
Precision Edge
SY89826L
Micrel, Inc.
M9999-110405
hbwhelp@micrel.com or (408) 955-1690
LVDS OUTPUTS
LVDS specifies a small swing of 350mV typical, on a
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
100
±1%
vOD
GND
vOH, vOL
Figure 3. LVDS Differential Measurement
49.9
, ±1%
GND
vOCM,
v
OCM
49.9
, ±1%
Figure 4. LVDS Common Mode Measurement
in common mode voltage, as a function of data input, is
also kept tight, to keep EMI low.
LVPECL/LVDS INPUTS
75k
GND
LVPECL_CLK
VCC
/LVPECL_CLK
Figure 1. Simplified LVPECL Input Stage
1.9k
1.4k
GND
VCC
LVDS_CLK
/LVDS_CLK
1.9k
100
Figure 2. Simplified LVDS Input Stage
QOUT
/QOUT
350mV
(typical)
Figure 5. Output Driver Signal Levels
(Single-Ended)
QOUT
/QOUT
700mV
QOUT — /QOU
Figure 6. Output Driver Signal Levels
(Differential)
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