MK1725 Просмотр технического описания (PDF) - Integrated Device Technology
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MK1725 Datasheet PDF : 8 Pages
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MK1725
QUAD OUTPUT SPREAD SPECTRUM CLOCK GENERATOR
SSCG
Parameter
Internal Pull-down Resistor
Symbol Conditions
RPD Clock outputs; S3:0
Min.
Typ.
510
Max. Units
kΩ
AC Electrical Characteristics
Unless stated otherwise, VDD = 3.3 V ±5%, TA = 0 to +70° C (commercial), -40 to +85°C (industrial)
Parameter
Symbol
Conditions
Min. Typ. Max. Units
Input Frequency
Output Rise Time
Output Fall Time
Output Clock Duty Cycle
fIN
Crystal or clock input
20
34 MHz
tOR 20% to 80%, Note 1
1.2
ns
tOF 80% to 20%, Note 1
1.0
ns
At VDD/2, Note 1
45
50
55
%
1X, 2X modes
at VDD/2, Note 1
4X mode
40
50
60
%
Absolute Clock Period Jitter
Modulation Frequency
Output to Output Skew
tJ
Cycle to cycle, Note 1
fmod
25
Non-spread modes
150
ps
50 kHz
250 ps
Output Enable Time
tOE PDTS high to output
spread profile stable
2.6
ms
Output Disable Time
tOD PDTS low to tri-state
10
ns
Note 1: Measured with a 15 pF load.
IDT™ QUAD OUTPUT SPREAD SPECTRUM CLOCK GENERATOR
5
MK1725
REV G 033109
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