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M1040 View Datasheet(PDF) - Integrated Circuit Systems

Part Name
Description
Manufacturer
M1040
ICST
Integrated Circuit Systems ICST
M1040 Datasheet PDF : 12 Pages
First Prev 11 12
Integrated
Circuit
Systems, Inc.
M1040
VCSO BASED CLOCK PLL WITH AUTOSWITCH
Preliminary Information
ELECTRICAL SPECIFICATIONS (CONTINUED)
AC Characteristics
Unless stated otherwise, VCC = 3.3V +5%,TA = 0 oC to +70 oC (commercial), TA = -40 oC to +85 oC (industrial), FVCSO = FOUT = 150-175MHz,
LVPECL outputs terminated with 50to VCC - 2V
Symbol Parameter
Min Typ Max Unit Conditions
FIN
Input Frequency
DIF_REF0, nDIF_REF0,
DIF_REF1, nDIF_REF1
15
700 MHz
FOUT
APR
KVCO
PLL Loop
Constants 1
RIN
Output Frequency
FOUT0, nFOUT0, FOUT1, nFOUT1
Absolute Pull-Range
of VCSO
VCO Gain
Commercial
Industrial
Wide Bandwidth
Internal Loop Resistor
Narrow Bandwidth
62.5
±120
±50
±200
±150
200
100
2100
175 MHz
ppm
ppm
kHz/V
k
k
BWVCSO VCSO Bandwidth
Φn
Phase Noise
and Jitter
J(t)
Single Side Band
Phase Noise
@155.52MHz
Jitter (rms)
@155.52MHz
1kHz Offset
10kHz Offset
100kHz Offset
12kHz to 20MHz
odc Output Duty Cycle 2
tR
Output Rise Time 2 for
FOUT0, nFOUT0, FOUT1, nFOUT1
tF
Output Fall Time 2 for
FOUT0, nFOUT0, FOUT1, nFOUT1
700
-72
-94
-123
0.4
45
50
350 450
kHz
dBc/Hz Fin=19.44_MHz
dBc/Hz Tot. PLL ratio =
dBc/Hz 8. See pg. 3
0.6 ps
55 %
550 ps
20% to 80%
350 450
550 ps
20% to 80%
Table 10: AC Characteristics
Note 1: Parameters needed for PLL Simulator software; see Table 6, Example External Loop Filter Component Values, on pg. 8.
Note 2: See Parameter Measurement Information on pg. 11.
PARAMETER MEASUREMENT INFORMATION
Input and Output Rise and Fall Time
Clock Inputs 20%
and Outputs
80%
tR
80%
VP-P
20%
tF
Figure 6: Input and Output Rise and Fall Time
Differential Input Level
VCC - 0.85
nDIF_CLK
VP-P
DIF_CLK
Cross Points
VCMR
Output Duty Cycle
nFOUT
FOUT
odc =
tPW
tPERIOD
tPW
(Output Pulse Width)
tPERIOD
Figure 8: Output Duty Cycle
+ 0.5
Figure 7: Differential Input Level
M1040 Datasheet Rev 0.1
11 of 12
Revised 11Nov2003
Integrated Circuit Systems, Inc. Communications Modules www.icst.com tel (508) 852-5400
 

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