SM802108 Datasheet, PDF (5/11 Pages) Micrel Semiconductor – ClockWorks™ 10GbE & GbE (156.25MHz, 125MHz) Ultra-Low Jitter, LVPECL Frequency Synthesizer

Micrel, Inc.
SM802108
LVCMOS (PLL_BYPASS, XTAL_SEL) DC Electrical Characteristics⁽⁴⁾
V_DD = 3.3V ±5%, or 2.5V ±5%, T_A = −40°C to +85°C.
Symbol Parameter
Condition
Min.
Typ.
V_IH
Input High Voltage
V_IN
Input Low Voltage
2
−0.3
I_IH
Input High Current V_DD = V_IN = 3.465V
I_IL
Input Low Current V_DD = 3.465V, V_IN = 0V
−5
Max.
V_DD + 0.3
0.8
150
Units
V
V
μA
μA
REF_IN DC Electrical Characteristics⁽⁴⁾
V_DD = 3.3V ±5%, or 2.5V ±5%, T_A = −40°C to +85°C.
Symbol Parameter
Condition
V_IH
Input High Voltage
V_IL
Input Low Voltage
I_IN
Input Current
XTAL_SEL = V_IL, V_IN = 0V to V_DD
I_IN
Input Current
XTAL_SEL = V_IH, V_IN = V_DD
Min.
1.1
−0.3
−5
Typ.
20
Max.
V_DD + 0.3
0.6
5
Units
V
V
μA
µA
Crystal Characteristics
NDK NX2520SA
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitor, C0
Correlation Drive Level
Condition
12pF Load
Min.
Typ.
Max.
Fundamental, Parallel Resonant
25
50
3
7
100
300
Units
MHz
Ω
pF
uW
January 2011
5
M9999-012111-A
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