参数资料
型号: ICS673-01MLF
元件分类: 时钟及定时
英文描述: PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16
封装: 0.150 INCH, SOIC-16
文件页数: 4/8页
文件大小: 104K
代理商: ICS673-01MLF
PLL BUILDING BLOCK
MDS 673-01 F
4
Revision 040102
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ICS673-01
AC Electrical Characteristics
VDD = 3.3V ±5%, Ambient Temperature -40 to +85
°C, C
LOAD at CLK = 15 pF, unless stated otherwise
VDD = 5.0V ±10%, Ambient Temperature -40 to +85
°C, C
LOAD at CLK = 15 pF, unless stated otherwise
Note 1: Minimum input frequency is limited by loop filter design. 1 kHz is a practical minimum limit.
External Components
The ICS673-01 requires a minimum number of external
components for proper operation. A decoupling
capacitor of 0.01
F should be connected between
VDD and GND as close to the ICS673-01 as possible.
A series termination resistor of 33
may be used at
the clock output.
Special considerations must be made in choosing loop
components C1 and C2:
1) The loop capacitors should be a low-leakage type to
avoid leakage-induced phase noise. For this reason,
DO NOT use any type of polarized or electrolytic
capacitors.
2) Microphonics (mechanical board vibration) can also
induce output phase noise when the loop bandwidth is
less than 1kHz. For this reason, ceramic capacitors
should have C0G or NP0 dielectric. Avoid high-K
dielectrics like Z5U and X7R. These and some other
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Output Clock Frequency
(from pin CLK)
fCLK
SEL = 1
1
100
MHz
SEL = 0
0.25
25
MHz
Input Clock Frequency
(into pins REFIN or FBIN)
fREF
Note 1
8
MHz
Output Rise Time
tOR
0.8 to 2.0V
1.2
2
ns
Output Fall Time
tOF
2.0 to 0.8V
0.75
1.5
ns
Output Clock Duty Cycle
tDC
At VDD/2
40
50
60
%
Jitter, Absolute peak-to-peak
tJ
250
ps
VCO Gain
KO
TBD
MHz/V
Charge Pump Current
Icp
2.5
A
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Output Clock Frequency
(from pin CLK)
fCLK
SEL = 1
1
120
MHz
SEL = 0
0.25
30
MHz
Input Clock Frequency
(into pins REFIN or FBIN)
fREF
Note 1
8
MHz
Output Rise Time
tOR
0.8 to 2.0V
0.5
1
ns
Output Fall Time
tOF
2.0 to 0.8V
0.5
1
ns
Output Clock Duty Cycle
tDC
At VDD/2
45
50
55
%
Jitter, Absolute peak-to-peak
tJ
150
ps
VCO Gain
KO
200
MHz/V
Charge Pump Current
Icp
2.5
A
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