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參數(shù)資料
| 型號： | CY2272 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Pentium 6x86, K6 Clock Synthesizer/Driver for Mobile PCs with Intel 82430TX or Ali IV/V+ and 3 SO-DIMMs(帶英特爾82430TX或 Ali IV/V+ 和3個 SO-DIMM的應(yīng)用于移動PC機(jī)的奔騰6x86, K6 時鐘合成器/驅(qū)動器) |
| 中文描述： | 奔騰6x86，K6時鐘合成器/與英特爾82430TX或阿里四便攜式電腦驅(qū)動器/ V和3 SO - DIMM內(nèi)存（帶英特爾82430TX或阿里四音頻/視頻和3個SO - DIMM插槽的應(yīng)用于移動電腦機(jī)的奔騰6x86，K6時鐘合成器/驅(qū)動器） |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 206K |
| 代理商： | CY2272 |
CY2272
6
Switching Characteristics
[6]
Parameter
Output
Description
Test Conditions
Min.
Typ.
Max.
Unit
t
1
t
2
All
Output Duty Cycle
[7]
t
1
= t
1A
÷
t
1B
Between 0.4V and 2.0V, V
DDCPU
= 2.5V
Between 0.4V and 2.4V, V
DDCPU
= 3.3V
Between 0.4V and 2.4V
45
50
55
%
CPUCLK
CPU Clock Rising and
Falling Edge Rate
0.75
4.0
V/ns
t
2
REF[0-1]
REF Clock Rising and
Falling Edge Rate
0.75
4.0
V/ns
t
2
PCICLK,
EPCICLK
PCI, EPCI, Clock Rising
and Falling Edge Rate
Between 0.4V and 2.4V
0.9
4.0
V/ns
t
2
SDRAM
SDRAM Rising and Fall-
ing Edge Rate
Between 0.4V and 2.4V
0.9
4.0
V/ns
t
3
CPUCLK
CPU Clock Rise Time
Between 0.4V and 2.0V, V
DDCPU
= 2.5V
Between 0.4V and 2.4V, V
DDCPU
= 3.3V
Between 2.0V and 0.4V, V
DDCPU
= 2.5V
Between 2.4V and 0.4V, V
DDCPU
= 3.3V
Measured at 1.25V, V
DDCPU
= 2.5V
Measured at 1.5V, V
DDCPU
= 3.3V
Measured at 1.25V for 2.5V clocks, and
at 1.5V for 3.3V clocks
0.4
0.5
2.13
2.67
ns
t
4
CPUCLK
CPU Clock Fall Time
0.4
0.5
2.13
2.67
ns
t
5
CPUCLK
CPU-CPU Clock Skew
100
250
ps
t
6
CPUCLK,
PCICLK
CPU-PCI Clock Skew
1.0
2.0
4.0
ns
t
7
CPUCLK,
SDRAM
CPU-SDRAM Clock
Skew
Measured at 1.25V for 2.5V clocks, and
at 1.5V for 3.3V clocks
- Measured at 66.66 MHz
- Measured at 75 MHz.
650
750
ps
ps
t
8
PCICLK,
PCICLK
PCI-PCI Clock Skew
PCI-PCI_F Clock Skew
Measured at 1.5V
Measured at 1.5V
250
350
ps
ps
t
9
EPCICLK,
PCICLK
CPUCLK
[7]
SDRAM
[7]
EPCI-PCI Clock Skew
Measured at 1.5V for 3.3V clocks
1.0
2.0
4.0
ns
t
10
t
10
t
11
Cycle-Cycle Clock Jitter
400
ps
Cycle-Cycle Clock Jitter
300
ps
PCICLK,
EPCICLK
[7]
Cycle-Cycle Clock Jitter
400
ps
t
12
CPUCLK,
PCICLK,
EPCI,
SDRAM
Power-up Time
CPU, PCI, EPCI, and SDRAM clock sta-
bilization from power-up
3
ms
t
13
CPUCLK
PCICLK
SDRAM
/4 Frequency Slew Time
Time for CPU, EPCI, PCI, and SDRAM
clock frequency to change from F to F/4
after select input change
10
25
cycles
Notes:
6.
7.
All parameters specified with maximum loaded outputs, measured with select lines = 101 and 110 (sel0, sel1, sel2).
Measured at 1.5V for 3.3V clocks and at 1.25V for 2.5V clocks.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY2273A | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-1 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-2 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-3 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-4 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
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