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参数资料
| 型号： | CY2273A |
| 厂商： | Cypress Semiconductor Corp. |
| 英文描述： | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| 中文描述： | 奔腾㈢/ 2，6x86，K6时钟合成器/与英特尔82430TX，82440LX或阿里四/四，AGP和3个DIMM台式机驱动 |
| 文件页数： | 8/14页 |
| 文件大小： | 178K |
| 代理商： | CY2273A |
CY2273A
8
Switching Characteristics for CY2273A-3
[8]
Over the Operating Range
Parameter
Output
Description
Test Conditions
Min.
Typ.
Max.
Unit
t
1
t
2
All
Output Duty Cycle
[9]
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
45
50
55
%
CPUCLK,
IOAPIC
CPU and IOAPIC Clock
Rising and Falling Edge
Rate
0.75
1.0
4.0
V/ns
t
2
REF0
USBCLK
REF0 and USBCLK Ris-
ing and Falling Edge Rate
Between 0.4V and 2.4V
1.0
4.0
V/ns
t
2
SDRAM
PCI
SDRAM and PCI Clock
Rising and Falling Edge
Rate
Between 0.4V and 2.4V
0.85
1.0
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
300
ps
t
6
CPUCLK,
PCICLK
CPU-PCI Clock Skew
900
ps
t
7
CPUCLK,
SDRAM
CPU-SDRAM Clock
Skew
Measured at 1.25V for 2.5V clocks, and
at 1.5V for 3.3V clocks
600
ps
t
8
PCICLK,
PCICLK
PCI-PCI Clock Skew
Measured at 1.5V
500
ps
t
10
CPUCLK,
SDRAM
Cycle-Cycle Clock Jitter
Measured at 1.25V for 2.5V clocks, and
at 1.5V for 3.3V clocks
750
ps
t
10
t
11
PCICLK
Cycle-Cycle Clock Jitter
Measured at 1.5V
500
ps
CPUCLK,
PCICLK,
SDRAM
Power-up Time
CPU, PCI, AGP, and SDRAM clock sta-
bilization from power-up
3
ms
相关PDF资料 |
PDF描述 |
|---|---|
| CY2273A-1 | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-2 | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-3 | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273A-4 | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
| CY2273APVC-2 | Pentium㈢/II, 6x86, K6 Clock Synthesizer/Driver for Desktop PCs with Intel 82430TX, 82440LX or ALI IV/IV+, AGP and 3 DIMMs |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CY2273A-1 | 制造商:CYPRESS 制造商全称: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 制造商全称: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 制造商全称: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 制造商全称: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 |
| CY2273APVC-1 | 制造商:Cypress Semiconductor 功能描述: |
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