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參數(shù)資料
| 型號： | MK2014A |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘產(chǎn)生/分配 |
| 英文描述： | 25 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 44K |
| 代理商： | MK2014A |
MK2014A
Fast Ethernet Clock Source
MDS 2014A B
3
Revision 121598
Printed 11/15/00
MicroClock Division of ICS 525 Race Street San Jose CA 95126(408)295-9800tel(408)295-9818fax
I C R O
C LOC K
Notes:
1. Stresses beyond those listed under Absolute Maximum Ratings could cause permanent damage to the device. Prolonged exposure
to levels above the operating limits but below the Absolute Maximums may affect device reliability.
2. Typical values are at 25°C.
3. Provided an exact clock input or a properly tuned crystal is used as the reference.
Electrical Specifications
Parameter
Conditions
Minimum
Typical
Maximum
Units
ABSOLUTE MAXIMUM RATINGS (note 1)
Supply Voltage, VDD
Referenced to GND
7
V
Inputs
Referenced to GND
-0.5
VDD+.5V
V
Clock Outputs
Referenced to GND
-0.5
VDD+.5V
V
Ambient Operating Temperature
0
70
°C
Soldering Temperature
Max of 20 seconds
260
°C
Storage temperature
-65
150
°C
DC CHARACTERISTICS (at 5.0V unless otherwise noted)
Operating Voltage, VDD
4.5
5.5
V
Input High Voltage, VIH, input clock only
Clock input
3.5
2.5
V
Input Low Voltage, VIL, input clock only
Clock input
2.5
1.5
V
Output High Voltage, VOH
IOH=-4mA
VDD-0.4
V
Output High Voltage, VOH
IOH=-25mA
2.4
V
Output Low Voltage, VOL
IOL=25mA
0.4
V
Operating Supply Current, IDD, 5V
No Load
19
mA
Operating Supply Current, IDD, 3.3V
No Load
10
mA
Input Capacitance
7
pF
Actual Mean Frequency versus Target, note 3
With exact crystal
0
ppm
AC CHARACTERISTICS
Input Clock or Crystal Frequency
14.31818
MHz
Input Crystal Accuracy
30
ppm
Input Clock Duty Cycle, 14.31818MHz
Time above 2.5V
20
80
%
Output Clock Rise Time
0.8 to 2.0V
1.5
ns
Output Clock Fall Time
2.0 to 0.8V
1.5
ns
Output Clock Duty Cycle
Time above 1.5V
45
50
55
%
Absolute Clock Period Jitter, 14.318 MHz output
-400
250
400
ps
Absolute Clock Period Jitter, 20, 25 MHz outputs
-300
150
300
ps
One Sigma Clock Period Jitter
All outputs
70
ps
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