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| 845254 Datasheet, PDF (5/20 Pages) Integrated Device Technology – FemtoClock Crystal-to-3.3V, 2.5V | |||
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845254 Data Sheet
FEMTOCLOCK® CRYSTAL-TO-CML CLOCK GENERATOR
Table 4C. LVCMOS/LVTTL Input DC Characteristics, VDD = 3.3V±5% or 2.5V±5%, TA = -40°C to 85°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum
VIH
Input High Voltage
VIL
Input Low Voltage
VDD = 3.3V
2
VDD = 2.5V
1.7
VDD = 3.3V
-0.3
VDD = 2.5V
-0.3
VDD + 0.3
VDD + 0.3
0.8
0.7
IIH
Input
High Current
FBSEL, nOE, FSEL[1:0],
REF_SEL, REF_CLK
VDD = VIN = 3.465V or 2.625V
150
nBYPASS
VDD = VIN = 3.465V or 2.625V
5
FBSEL, nOE, FSEL1:0,
VDD = 3.465V or 2.625V,
IIL
Input
Low Current
REF_SEL, REF_CLK
nBYPASS
VIN = 0V
VDD = 3.465V or 2.625V,
VIN = 0V
-5
-150
Units
V
V
V
V
µA
µA
µA
µA
Table 4D. CML DC Characteristics, VDD = 3.3V±5% or 2.5V±5%, TA = -40°C to 85°C
Symbol Parameter
Test Conditions
Minimum
VOH
Output High Voltage
VOUT
Output Voltage Swing
VDIFF_OUT Differential Output Voltage Swing
VDD - 0.025
300
600
Typical
VDD - 0.01
450
900
Maximum
VDD
600
1200
Units
V
mV
mV
Table 5. Crystal Characteristics
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
Test Conditions
Minimum Typical Maximum
Fundamental
25
50
7
Units
MHz
ï
pF
845254 REVISION B 08/25/15
5
©2015 Integrated Device Technology, Inc.
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