參數(shù)資料
型號(hào): MK1491-14
英文描述: OPTi ACPI Firestar Clock Source
中文描述: 奧普蒂ACPI的FireStar在時(shí)鐘源
文件頁數(shù): 3/4頁
文件大小: 69K
代理商: MK1491-14
MK1491-14
OPTi ACPI Firestar Clock Source
MDS 1491-14 B
Integrated Circuit Systems, Inc. 525
Race Street San Jose CA 95126 (408)295-9800tel www.icst.com
3
Revision 061801
Electrical Specifications
Parameter
ABSOLUTE MAXIMUM RATINGS (note 1)
Supply voltage, VDD
Inputs and Clock Outputs
Ambient Operating Temperature
Soldering Temperature
Storage temperature
DC CHARACTERISTICS (VDD = 3.3V or 2.5V unless noted)
Operating Voltage
Operating Voltage
Input High Voltage, VIH
Input Low Voltage, VIL
Output High Voltage, VOH
Output Low Voltage, VOL
Output High Voltage, VOH
Operating Supply Current, IDD
Power Down mode Supply Current
Short Circuit Current
Short Circuit Current
Input Capacitance
AC CHARACTERISTICS (VDD = 3.3V or 2.5V unless noted)
Input Frequency
Output Clock Rise Time
HOST Output Clock Rise Time
Output Clock Fall Time
HOST Output Clock Fall Time
Output Clock Duty Cycle, all MHz clocks
HOST1-4 Output to Output Skew
Skew of HOST 5,7 with respect to HOST 1-4
PCI Output to Output Skew
Lead of EHOST6 outputs with respect to PCI
Lead of EHOST6 with respect to HOST1-5, 7
Cycle to Cycle Jitter, CPU Clocks
Absolute Clock Period Jitter, Other MHz Clocks,
except 14.318 MHz
EMI reduction, peaks of 5th - 19th odd harmonics
Power up time, STOP# going high to all clocks stable
Power on time, applied VDD to all clocks stable
Conditions
Minimum
Typical
Maximum
Units
Referenced to GND
Referenced to GND
7
V
V
°C
°C
°C
-0.5
0
VDD+0.5
70
260
150
Max of 10 seconds
-65
VDD
VDDHOST1-4, HOST5-7
3.3
3.6
VDD
V
V
V
V
V
V
V
2.5/3.3
2
0.8
IOH=-8mA
IOL=8mA
IOH=-8mA
No Load, 66.6MHz
2.4
0.4
VDD-0.4
48
3
±50
±25
7
mA
μΑ
mA
mA
pF
Each output
VDDHOST = 2.5V
14.31818
MHz
ns
ns
ns
ns
%
ps
ps
ps
ns
ns
ps
0.8 to 2.0V
VDDHOST = 2.5V
1.5
2.5
1.5
2.5
55
250
750
500
2.0 to 0.8V
VDDHOST = 2.5V
At 1.5V
Rising edges at 1.5V
With proper HSKEW setting
Rising edges at 1.5V
Rising edges at 1.5V
Rising edges at 1.5V
45
49 to 51
1.9
3.9
1000
66.6 MHz clocks, LE=1
-500
500
11
20
25
ps
dB
ms
ms
6
8
12
Note 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.
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