ICS843101-312 Datasheet, PDF (6/14 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ CRYSTAL-TO-LVPECL 312.5MHZ FREQUENCY MARGINING SYNTHESIZER

ADVANCE INFORMATION
Integrated
ICS843101-312
Circuit
Systems, Inc.
FEMTOCLOCKS™ CRYSTAL-TO-LVPECL
312.5MHZ FREQUENCY MARGINING SYNTHESIZER
TABLE 5D. LVCMOS / LVTTL DC CHARACTERISTICS, TA = 0°C TO 70°C
Symbol Parameter
V_IH
Input High Voltage
V_IL
I_IH
I_IL
Δt/Δv
Input Low Voltage
Input
High Current
CLK, SEL,
S_DATA, S_LOAD,
S_CLOCK, MODE
OE
Input
Low Current
CLK, SEL,
S_DATA, S_LOAD,
S_CLOCK, MODE
OE
Input Transistion
Rise/Fall Rate
OE, SEL,
S_CLOCK, S_DATA,
S_LOAD, MODE
Test Conditions
V_CC = 3.3V
V_CC = 2.5V
V_CC = 3.3V
V_CC = 2.5V
V_CC = V_IN = 3.465
or 2.625V
V_CC = V_IN = 3.465
or 2.625V
V_CC = 3.465V or 2.625V,
V_IN = 0V
V_CC = 3.465V or 2.625V,
V = 0V
IN
Minimum
2
1.7
-0.3
-0.3
Typical
Maximum
V_CC + 0.3
V_CC + 0.3
0.8
1.7
Units
V
V
V
V
150
µA
5
µA
-5
µA
-150
µA
20
ns/v
TABLE 5E. LVPECL DC CHARACTERISTICS, TA = 0°C TO 70°C
Symbol Parameter
V_OH
Output High Voltage; NOTE 1
V_OL
Output Low Voltage; NOTE 1
V_SWING Peak-to-Peak Output Voltage Swing
NOTE 1: Outputs terminated with 50Ω to V_CCO - 2V.
Test Conditions
TABLE 6. CRYSTAL CHARACTERISTICS
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
Drive Level
Test Conditions
NOTE: Characterized using an 18pF parallel resonant crystal.
Minimum
V_CCO - 1.4
V_CCO - 2.0
0.6
Typical
Maximum
V_CCO - 0.9
V_CCO - 1.7
1.0
Units
V
V
V
Minimum Typical Maximum
Fundamental
25
50
7
100
Units
MHz
Ω
pF
µW
TABLE 7. INPUT FREQUENCY CHARACTERISTICS, TA = 0°C TO 70°C
Symbol
f_IN
Parameter
Input
Frequency
CLK
XTAL_IN/XTAL_OUT
S_CLOCK
Test Conditions
Minimum
Typical
25
25
Maximum
50
Units
MHz
MHz
MHz
843101AG-312
www.icst.com/products/hiperclocks.html
6
OCTOBER 18, 2005