参数资料
型号: MK1491-09FITR
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 66 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28
封装: 0.209 INCH, MO-150, SSOP-28
文件页数: 7/10页
文件大小: 200K
代理商: MK1491-09FITR
MK1491-09
AMD GEODE GX2 CLOCK SOURCE
CLOCK SYNTHESIZER
IDT / ICS AMD GEODE GX2 CLOCK SOURCE
6
MK1491-09
REV K 072406
AC Electrical Characteristics
Unless stated otherwise, VDD = 3.3 V, Ambient Temp. 0 to +70
° C (commercial); -40 to 85° C (industrial), CL=30pf
Note 1: Only valid when PCI is at 33 MHz.
Thermal Characteristics
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Input Frequency
FIN
14.31818
MHz
Output Clock Skew Rate (PCI
and LPC), load=30 pF
Between 0.4 V and 2.4 V
4
V/ns
Output Clock Rise and Fall
Time (all but PCI and LPC),
load=30 pF
tOR, tOF
Between 0.4 V and 2.4 V
0.5
2
ns
Output Clock Duty Cycle, all
MHz Clocks
tOD
At 1.5 V
40
60
%
PCI Output to Output Skew, at
33 MHz
Rising edges at 1.5 V
500
ps
PCI Output to Output Skew, at
66 MHz
Rising edges at 1.5 V
250
ps
LPC Output to Output Skew
Rising edges at 1.5 V
500
ps
PCI to LPC Output to Output
Skew (note 1)
Rising edge at 1.5 V
500
ps
Cycle-to-Cycle Jitter, PCICLK
300
ps
Cycle-to-Cycle Jitter, LPCCLK
500
ps
Cycle-to-Cycle Jitter, USBCLK
and 48 MHz
500
ps
Cycle-to-Cycle Jitter, REFCLK’s
1400
ps
Power-on Time, applied VDD to
all Clocks Stable
5ms
Load Capacitance Crystal
18
30
pF
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Thermal Resistance Junction to
Ambient
θJA
Still air
100
° C/W
θJA
1 m/s air flow
80
° C/W
θJA
3 m/s air flow
67
° C/W
Thermal Resistance Junction to Case
θJC
60
° C/W
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