ICS84320I-01 Datasheet, PDF (6/18 Pages) Integrated Circuit Systems – 780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL

Integrated
Circuit
Systems, Inc.
ICS84320I-01
780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL
LVPECL FREQUENCY SYNTHESIZER
TABLE 4C. LVPECL DC CHARACTERISTICS, V_CC = V_CCA = V_CCO = 3.3V±5%, TA = -40°C TO 85°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum
V_OH
Output High Voltage; NOTE 1
V_CCO - 1.4
V_CCO - 0.9
V_OL
Output Low Voltage; NOTE 1
V_CCO - 2.0
V_CCO - 1.7
V_SWING Peak-to-Peak Output Voltage Swing
0.6
1.0
NOTE 1: Outputs terminated with 50 Ω to V_CCO - 2V. See "Parameter Measurement Information" section,
"3.3V Output Load Test Circuit".
Units
V
V
V
TABLE 5. INPUT FREQUENCY CHARACTERISTICS, V_CC = V_CCA = V_CCO = 3.3V±5%, TA = -40°C TO 85°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum Units
TEST_CLK; NOTE 1
14
40
MHz
f_IN
Input Frequency
XTAL_IN, XTAL_OUT;
NOTE 1
14
40
MHz
S_CLOCK
50
MHz
NOTE 1: For the input crystal and TEST_CLK frequency range, the M value must be set for the VCO to operate within the
620MHz to780MHz range. Using the minimum input frequency of 14MHz, valid values of M are 45 ≤ M ≤ 55. Using the
maximum frequency of 40MHz, valid values of M are 16 ≤ M ≤ 19.
TABLE 6. CRYSTAL CHARACTERISTICS
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
Drive Level
Test Conditions
Minimum Typical Maximum
Fundamental
14
40
50
7
1
Units
MHz
Ω
pF
mW
84320AYI-01
www.icst.com/products/hiperclocks.html
6
REV. A AUGUST 11, 2005