ICS84329B Datasheet, PDF (6/19 Pages) Integrated Circuit Systems – 700MHZ, LOW JITTER, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
TABLE 5. CRYSTAL CHARACTERISTICS
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitance
Drive Level
ICS84329B
700MHZ, LOW JITTER, CRYSTAL-TO-3.3V
DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
Test Conditions
Minimum Typical Maximum
Fundamental
10
25
50
7
1
Units
MHz
Ω
pF
mW
TABLE 6. INPUT FREQUENCY CHARACTERISTICS, V_CC = V_CCA = 3.3V±5%, TA = 0°C TO 70°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum Units
XTAL; NOTE 1
f_IN
Input Frequency
S_CLOCK
10
25
MHz
50
MHz
NOTE 1: For the crystal frequency range the M value must be set to achieve the minimum or maximum VCO frequency
range of 250MHz or 700MHz. Using the minimum frequency of 10MHz valid values of M are 400 ≤ M ≤ 511.
Using the maximum frequency of 25MHz valid values of M are 160 ≤ M ≤ 448.
TABLE 7. AC CHARACTERISTICS, V_CC = V_CCA = 3.3V±5%, TA = 0°C TO 70°C
Symbol Parameter
Test Conditions
F_OUT
tjit(per)
Output Frequency
Period Jitter, RMS; NOTE 1, 2
fOUT ≥ 65MHz
fOUT < 65MHz
tjit(cc) Cycle-to-Cycle Jitter; NOTE 1, 2
fOUT ≥ 50MHz
fOUT < 50MHz
t_R / t_F
t_S
t_H
t_L
odc
Output Rise/Fall Time
Setup Time
Hold Time
PLL Lock Time
Output Duty Cycle
20% to 80%
See Parameter Measurement Information section.
Characterized using a 16MHz XTAL.
NOTE 1: This parameter is defined in accordance with JEDEC Standard 65
NOTE 2: See Applications section.
Minimum
300
5
5
45
Typical
50
Maximum
700
5.5
12
35
50
800
10
55
Units
MHz
ps
ps
ps
ps
ps
ns
ns
ms
%
84329BV
www.icst.com/products/hiperclocks.html
6
REV. B JANUARY 18, 2006