参数资料
型号: MK2049-02SI
元件分类: 时钟产生/分配
英文描述: 51.84 MHz, OTHER CLOCK GENERATOR, PDSO20
封装: 0.300 INCH, SOIC-20
文件页数: 5/11页
文件大小: 136K
代理商: MK2049-02SI
MK2049-02/03
Communications Clock PLLs
MDS 2049-02/03 C
3
Revision 091801
Integrated Circuit Systems, Inc. 525 Race Street San Jose CA 95126 (408)295-9800tel www.icst.com
Parameter
Conditions
Minimum
Typical
Maximum
Units
ABSOLUTE MAXIMUM RATINGS (Note 1)
Supply Voltage, VDD
Referenced to GND
7
V
Inputs and Clock Outputs
-0.5
VDD+0.5
V
Ambient Operating Temperature
MK2049-0xS
0
70
°C
MK2049-0xSI
-40
85
°C
Soldering Temperature
Max of 10 seconds
250
°C
Storage Temperature
-65
150
°C
DC CHARACTERISTICS (VDD = 5V unless noted)
Operating Voltage, VDD
4.75
5
5.25
V
Input High Voltage, VIH
2
V
Input Low Voltage, VIL
0.8
V
Input High Voltage, VIH
Pin 19 only
VDD-0.5
V
Input Low Voltage, VIL
Pin 19 only
0.5
V
Output High Voltage
IOH=-4 mA
VDD-0.4
V
Output High Voltage
IOH=-8 mA
2.4
V
Output Low Voltage
IOL=8 mA
0.4
V
Operating Supply Current, IDD
No Load, VDD=5.0V
20
mA
Short Circuit Current
Each output
±100
mA
Input Capacitance, FS3:0
7
pF
AC CHARACTERISTICS (VDD = 5V unless noted)
Input Frequency, External Mode, Note 3
ICLK
8.000
kHz
Input Clock Pulse Width
10
ns
Propagation Delay
ICLK to CLK2
0
2
ns
Output-Output Skew, Zero Delay Selections
CLK1 to CLK2, Note 2
500
ps
Output Clock Rise Time
0.8 to 2.0 V
1.5
ns
Output Clock Fall Time
2.0 to 0.8 V
1.5
ns
Output Clock Duty Cycle, High Time
At VDD/2
40
60
%
Actual mean frequency error versus target
Any clock selection
0
ppm
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. CLK1 in the MK2049-02 may have the rising or falling edge aligned with the rising edge of CLK2. See the INPUT
AND OUTPUT SYNCHRONIZATION section for more details.
3. For loop timing modes and buffer modes, see tables on page 2 for required input clock frequencies.
Electrical Specifications
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