ICS84320I-01 Datasheet, PDF (7/18 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 7. AC CHARACTERISTICS, V_CC = V_CCA = V_CCO = 3.3V±5%, TA = -40°C TO 85°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum
F_OUT
Output Frequency
tjit(per) Period Jitter, RMS; NOTE 1
77.5
780
fOUT > 100MHz
2.0
2.6
tsk(o) Output Skew; NOTE 2, 3
15
t_R / t_F
Output Rise/Fall Time
20% to 80%
100
700
M, N to nP_LOAD
5
t_S
Setup Time S_DATA to S_CLOCK
5
S_CLOCK to S_LOAD
5
M, N to nP_LOAD
5
t_H
Hold Time S_DATA to S_CLOCK
5
S_CLOCK to S_LOAD
5
odc
Output Duty Cycle
N>1
49
51
fOUT ≤ 625
44
56
t_PW
Output Pulse Width
ƒ> 625
t_PERIOD/2 - 150
t_PERIOD/2 + 150
t_LOCK
PLL Lock Time
1
See Parameter Measurement Information section.
NOTE 1: Jitter performance using XTAL 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.
Units
MHz
ps
ps
ps
ns
ns
ns
ns
ns
ns
%
%
ps
ms
84320AYI-01
www.icst.com/products/hiperclocks.html
7
REV. A AUGUST 11, 2005