SY87700ALHG 查看數據表（PDF） - Micrel
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SY87700ALHG Datasheet PDF : 16 Pages
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Micrel, Inc.
SY87700AL
AC Electrical Characteristics
VCC = VCCO = VCCA = 3.3V ±5%; TA = –40°C to +85°C, unless otherwise noted.
Symbol Parameter
Condition
Min
Typ
Max Units
fVCO
VCO Center Frequency
fREFCLK x Byte Rate
750
1250 MHz
ΔfVCO
VCO Center Frequency
Tolerance
Nominal
5
%
tACQ
Acquisition Lock Time
50Ω to VCC-2V
15
µs
tCPWH
REFCLK Pulse Width HIGH
50Ω to VCC-2V
4
ns
tCPWL
REFCLK Pulse Width LOW
VIN = VIL (Min)
4
ns
tir
REFCLK Input Rise Time
0.5
2
ns
tODC
Output Duty Cycle (RCLK/TCLK)
45
55
% of
UI
tr, tf
ECL Output Rise/Fall Time
(20% to 80%)
50Ω to VCC-2
100
400
ps
tSKEW
Recovered Clock Skew
-200
+200
ps
tDV
Data Valid
1/(2xfRCLK) -200
ps
tDH
Data Hold
1/(2xfRCLK) -200
ps
Timing Waveforms
August 2009
6
M9999-082009-D
hbwhelp@micrel.com or (408) 955-1690
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