參數(shù)資料
型號: CDC9441
廠商: Texas Instruments, Inc.
英文描述: DVD System Clock Synthesizerers(PC時鐘合成器/驅動器(SDRAM 時鐘支持))
中文描述: DVD系統(tǒng)時鐘Synthesizerers(電腦時鐘合成器/驅動器(SDRAM的時鐘支持))
文件頁數(shù): 9/14頁
文件大?。?/td> 275K
代理商: CDC9441
CDC9441
PC CLOCK SYNTHESIZER/DRIVER
WITH SDRAM CLOCK SUPPORT
SCAS578 – AUGUST 1996
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics, PCI clocks (see Figures 1 and 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN
MAX
UNIT
Period
PCIn
SEL = H
30
ns
SEL = L
33.4
Jitter
tr
tf
Duty cycle
tskew
thpoffset
PCIn
±
500
ps
PCIn
0.5
2
ns
PCIn
0.5
2
ns
PCIn
45
55
%
PCIn
500
ps
CPUn
PCIn
1
4
ns
Clock enable latency
PCIEN
PCIn
1
4
CPU
cycles
Specifications are applicable only after the PLL stabilization time has elapsed.
Rise and fall times are characterized using the test circuit shown in Figure 1.
switching characteristics, fixed clocks (REF0, IOAPICn) (see Figures 1 and 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN
MAX
UNIT
t
tr
REFn
0.5
2
ns
IOAPICn
0.4
1.6
REFn
0.5
2
ns
tf
IOAPICn
0.4
1.6
Specifications are applicable only after the PLL stabilization time has elapsed.
Rise and fall times are characterized using the test circuit shown in Figure 1.
P
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PDF描述
CDC9449 PC Motherboard Clock Sythesizer/Drivers with SDRAM Clock Support(PC時鐘合成器/驅動器(SDRAM 時鐘支持))
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