843201-375 Datasheet, PDF (5/19 Pages) Integrated Device Technology – FemtoClock® Crystal-to-LVPECL 375MHz Frequency Margining Synthesizer

843201-375 DATA SHEET
TABLE 5D. LVCMOS / LVTTL DC CHARACTERISTICS, TA = 0°C TO 70°C
Symbol Parameter
V
Input High Voltage
IH
V
Input Low Voltage
IL
I
IH
Input
High Current
MARGIN, MODE,
nPLL_SEL, MR
I
IL
Input
Low Current
MARGIN, MODE,
nPLL_SEL, MR
Test Conditions
V = 3.3V
CC
V = 2.5V
CC
V = 3.3V
CC
V = 2.5V
CC
V = V = 3.465
CC
IN
or 2.625V
V = 3.465V or 2.625V,
CC
V = 0V
IN
Minimum
2
1.7
-0.3
-0.3
Typical
Maximum
V + 0.3
CC
V + 0.3
CC
0.8
0.7
Units
V
V
V
V
150
µA
-5
µA
TABLE 5E. LVPECL DC CHARACTERISTICS, TA = 0°C TO 70°C
Symbol Parameter
V
Output High Voltage; NOTE 1
OH
V
Output Low Voltage; NOTE 1
OL
V
SWING
Peak-to-Peak Output Voltage Swing
NOTE 1: Outputs terminated with 50Ω to V - 2V.
CCO
Test Conditions
Minimum
V - 1.4
CCO
V - 2.0
CCO
0.6
Typical
Maximum
V - 0.9
CCO
V - 1.7
CCO
1.0
Units
V
V
V
TABLE 6. CRYSTAL CHARACTERISTICS
Parameter
Test Conditions
Minimum Typical Maximum
Mode of Oscillation
Fundamental
Frequency
25
Equivalent Series Resistance (ESR)
50
Shunt Capacitance
7
Drive Level
300
NOTE: Characterized using an 18pF parallel resonant crystal.
NOTE: It is not recommended to overdrive the crystal input with an external clock.
Units
MHz
Ω
pF
µW
REVISION A 8/21/15
5
FEMTOCLOCK® CRYSTAL-TO-LVPECL
375MHZ, FREQUENCY MARGINING SYNTHESIZER