8421002I-01 Datasheet, PDF (4/15 Pages) Integrated Device Technology – FemtoClock Crystal-to-HSTL Frequency Synthesizer

8421002I-01 DATA SHEET
TABLE 3D. HSTL DC CHARACTERISTICS, V = V = 3.3V±5%, V = 1.8V±0.2V, TA = -40°C TO 85°C
DD
DDA
DDO
Symbol Parameter
Test Conditions
V
Output High Voltage; NOTE 1
OH
V
Output Low Voltage; NOTE 1
OL
V
Output Crossover Voltage; NOTE 2
OX
V
SWING
Peak-to-Peak Output Voltage Swing
NOTE 1: Outputs terminated with 50Ω to ground.
NOTE 2: Defined with respect to output voltage swing at a given condition.
Minimum
1.0
0
40
0.6
Typical
Maximum
1.5
0.5
60
1.3
Units
V
V
%
V
TABLE 3E. HSTL DC CHARACTERISTICS, V = V = 2.5V±5%, V = 1.8V±0.2V, TA = -40°C TO 85°C
DD
DDA
DDO
Symbol Parameter
Test Conditions
V
Output High Voltage; NOTE 1
OH
V
Output Low Voltage; NOTE 1
OL
V
Output Crossover Voltage; NOTE 2
OX
V
SWING
Peak-to-Peak Output Voltage Swing
NOTE 1: Outputs terminated with 50Ω to ground.
NOTE 2: Defined with respect to output voltage swing at a given condition.
Minimum
0.8
0
40
0.5
Typical
Maximum
1.5
0.6
60
1.5
Units
V
V
%
V
TABLE 4. CRYSTAL CHARACTERISTICS
Parameter
Test Conditions
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
Drive Level
NOTE: Characterized using an 18pF parallel resonant crystal.
Minimum Typical Maximum
Fundamental
22.4
25
27.2
50
7
1
Units
MHz
Ω
pF
mW
FEMTOCLOCKS™ CRYSTAL-TO-HSTL
4
FREQUENCY SYNTHESIZER
REVISION B 8/14/15