ICS84314-02 Datasheet, PDF (7/17 Pages) Integrated Circuit Systems – 700MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL FREQUENCY SYNTHESIZER W/FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS84314-02
700MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL
FREQUENCY SYNTHESIZER W/FANOUT BUFFER
TABLE 8A. AC CHARACTERISTICS, V_CC = V_CCA = V_CCO = 3.3V±5%, TA = 0°C TO 85°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum
F_MAX
tjit(cc)
Output Frequency Range
Cycle-to-Cycle Jitter; NOTE 1, 3
31.25
700
20
tjit(per) Period Jitter, RMS; NOTE 1
TBD
tsk(o) Output Skew; NOTE 2, 3
TBD
t_R / t_F
Output Rise/Fall Time
M to nP_LOAD
20% to 80%
460
5
t_S
Setup Time S_DATA to S_CLOCK
5
S_CLOCK to S_LOAD
5
M to nP_LOAD
5
t_H
Hold Time S_DATA to S_CLOCK
5
S_CLOCK to S_LOAD
5
F_M
F_MF
SSC_red
odc
SSC Modulation Frequency; NOTE 4
SSC Modulation Factor; NOTE 4
Spectral Reduction; NOTE 4
Output Duty Cycle
30
33.33
0.4
0.6
7
10
50
t_LOCK
PLL Lock Time
1
See Parameter Measurement Information section.
NOTE 1: Jitter performance using crystal inputs.
NOTE 2: Defined as skew between outputs at the same supply voltage and with equal load conditions.
Measured at the output differential cross points.
NOTE 3: This parameter is defined in accordance with JEDEC Standard 65.
NOTE 4: Spread Spectrum clocking enabled.
Units
MHz
ps
ps
ps
ps
ns
ns
ns
ns
ns
ns
kHz
%
dB
%
ms
TABLE 8B. AC CHARACTERISTICS, V_CC = V_CCA = 3.3V±5%, V_CCO = 2.5V±5%, TA = 0°C TO 85°C
Symbol Parameter
Test Conditions
Minimum
F_MAX
tjit(cc)
Output Frequency Range
Cycle-to-Cycle Jitter; NOTE 1, 3
31.25
tjit(per) Period Jitter, RMS; NOTE 1
tsk(o) Output Skew; NOTE 2, 3
t_R / t_F
Output Rise/Fall Time
M to nP_LOAD
20% to 80%
5
t_S
Setup Time S_DATA to S_CLOCK
5
S_CLOCK to S_LOAD
5
M to nP_LOAD
5
t_H
Hold Time S_DATA to S_CLOCK
5
S_CLOCK to S_LOAD
5
F_M
SSC Modulation Frequency; NOTE 4
30
F_MF
SSC Modulation Factor; NOTE 4
SSC_red Spectral Reduction; NOTE 4
7
odc
Output Duty Cycle
t_LOCK
PLL Lock Time
See notes in Table 8A above.
84314AY-02
www.icst.com/products/hiperclocks.html
Typical
20
TBD
TBD
460
0.4
10
50
Maximum
700
33.33
0.6
1
Units
MHz
ps
ps
ps
ps
ns
ns
ns
ns
ns
ns
kHz
%
dB
%
ms
REV. B NOVEMBER 17, 2005
7