ICS84314 Datasheet, PDF (6/18 Pages) Integrated Circuit Systems – 350MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL FREQUENCY SYNTHESIZER W/FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
ICS84314
350MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL
FREQUENCY SYNTHESIZER W/FANOUT BUFFER
TABLE 5C. LVPECL DC CHARACTERISTICS, V_CC = V_CCA = 3.3V±5%, V_CCO = 3.3V±5% OR 2.5V±5%, TA = 0°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 50Ω to V_CCO - 2V. See "Parameter Measurement Information" section,
"3.3V Output Load Test Circuit".
Units
V
V
V
TABLE 6. INPUT FREQUENCY CHARACTERISTICS, V_CC = V_CCA = V_CCO = 3.3V±5%, TA = 0°C TO 85°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum Units
TEST_CLK; NOTE 1
10
40
MHz
f_IN
Input Frequency XTAL1, XTAL2; NOTE 1
S_CLOCK
12
40
MHz
50
MHz
NOTE 1: For the input crystal and reference frequency range, the M value must be set for the VCO to operate within the
250MHz to 700MHz range. Using the minimum input frequency of 12MHz, valid values of M are 167 ≤ M ≤ 466.
Using the maximum frequency of 40MHz, valid values of M are 50 ≤ M ≤ 140.
TABLE 7. CRYSTAL CHARACTERISTICS
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
Test Conditions
Minimum Typical Maximum
Fundamental
12
40
50
7
Units
MHz
Ω
pF
84314AY
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6
REV. C JANUARY 27, 2005