Features ....................................................................................................................................................................................... 1
Typical Phase Jitter (70 fs RMS) and Phase Noise Data ............................................................................................................. 2
Ordering Information .................................................................................................................................................................... 3
LVPECL and FlexSwing Termination .................................................................................................................................. 19
LVDS, Supply Voltage: 1.8 V
±5%,
2.5 V ±10%, 3.3 V ±10%, 2.25 V to 3.63 V, 1.71 V to 3.63 V ...................................... 20
HCSL, Supply Voltage: 1.8 V
±5%,
2.5 V ±10%, 3.3 V ±10%, 2.25 V to 3.63 V, 1.71 V to 3.63 V ...................................... 20
Low-power HCSL, Supply Voltage: 1.8 V
±5%,
2.5 V ±10%, 3.3 V ±10%, 2.25 V to 3.63 V, 1.71 V to 3.63 V .................... 20
Dimensions and Patterns ― 2.0 x 1.6 mm x mm ....................................................................................................................... 21
Dimensions and Patterns ― 2.5 x 2.0 mm x mm ....................................................................................................................... 22
Dimensions and Patterns ― 3.2 x 2.5 mm x mm ....................................................................................................................... 23
Revision History ......................................................................................................................................................................... 24
Rev 0.54
Page 4 of 25
www.sitime.com
SiT9501
Ultra-low Jitter Differential XO for Standard Networking Frequencies
Electrical Characteristics
ADVANCED
All Min and Max limits in the Electrical Characteristics tables are specified over operating temperature and rated operating
voltage with standard output termination shown in the termination diagrams. Typical values are at 25°C and nominal
supply voltage.
Table 3. Electrical Characteristics – Common to All Output Signaling Types
Parameter
Output Frequency Range
Symbol
f
Min.
Typ.
Max.
Unit
MHz
Condition
Refer to frequencies listed in
Error! Not a valid result for table.
s
ection.
Inclusive of initial tolerance, operating temperature, rated power
supply voltage, load variation of 15 pF
±
10%, and 10 years
aging at 25°C
Inclusive of initial tolerance, operating temperature, rated power
supply voltage, load variation of 15 pF
±
10%, and first year aging
at 25°C
Ambient temperature of 25°C
Extended commercial, ambient temperature
Industrial, ambient temperature
Ambient temperature
Extended industrial, ambient temperature
Voltage-supply order code “YY”
Voltage-supply order code “XX”
Voltage-supply order code “18”.
Contact SiTime
for 1.5 V
Voltage-supply order code “25”
Voltage-supply order code “33”
Pins 1 and 2 for OE and SE, respectively
Pins 1 and 2 for OE and SE, respectively
Pins 1 and 2 for OE and SE, respectively
See
Figure 6
and
Figure 8
Measured from the time Vdd reaches its rated minimum value
Measured from the time OE pin toggles to enable logic level to
the time clock pins reach 90% of swing. See
Figure 13
Measured from the time OE pin toggles to disable logic level to
the last clock edge. See
Figure 14
12 kHz to 20 MHz offset frequency integration bandwidth
编译自semiengineering 业界越来越关注人工智能的功耗问题，但这个问题并没有简单的解决方案。这需要深入了解应用、半导体和系统层面的软件和硬件架构，以及所有这些的设计和实现方式。每个环节都会影响总功耗和提供的效用。这是最终必须做出的权衡。 但首先，必须解决效用问题。电力是否被浪费了？“我们将电力用于有价值的用途，”Ansys（现为新思科技旗下公司）产品营销总监 Marc Swi...[详细]
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