548G-05C Просмотр технического описания (PDF) - Integrated Circuit Systems
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548G-05C Datasheet PDF : 6 Pages
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ICS548-05C
T1/E1 Clock Multiplier
Parameter
Short Circuit Current
Input Capacitance
Frequency Synthesis Error
Symbol Conditions
IOS CLK output
MSEL, PDCLK,
REFEN
Both selections
Min.
Typ.
±50
7
Max.
Units
mA
pF
0
ppm
AC Electrical Characteristics
Unless stated otherwise, VDD = 3.3 V, Ambient Temperature 0 to +70°C
Parameter
Symbol
Conditions
Min.
Input Crystal or Clock
Frequency
Output Clock Rise Time
Output Clock Fall Time
Output Clock Duty Cycle
Start-up Time
tOR 20% to 80%
tOF 80% to 20%
tOD At VDD/2
40
VDD = 3.3 V to CLK
stable
Maximum Absolute Jitter,
short term
One Sigma Jitter
Typ.
1.544 or
2.048
50
±100
25
Max.
1.5
1.5
60
10
Units
MHz
ns
ns
%
ms
ps
ps
Thermal Characteristics
Parameter
Symbol Conditions
Thermal Resistance Junction to
Ambient
θJA Still air
θJA 1 m/s air flow
θJA 3 m/s air flow
Thermal Resistance Junction to Case θJC
Min.
Typ.
78
70
68
37
Max.
Units
°C/W
°C/W
°C/W
°C/W
MDS 548-05C B
5
Revision 072704
Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
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