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參數(shù)資料
| 型號： | CY2254ASC-1 |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | Pentium Processor Compatible Clock Synthesizer/Driver |
| 中文描述： | 66.66 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28 |
| 封裝： | 0.300 INCH, SOIC-28 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 94K |
| 代理商： | CY2254ASC-1 |
CY2254A
Document #: 38-07203 Rev. *A
Page 4 of 8
Notes:
3.
4.
Electrical parameters are guaranteed with these operating conditions.
Guaranteed by design, not tested.
Electrical Characteristics
V
DD
= 3.135V
3.6V, or 5.0V
±
10%, T
A
= 0
°
C to +70
°
C (continued)
Parameter
Description
Test Conditions
Min.
Max.
Unit
Switching Characteristics
[5]
Parameter
Output
Name
Description
Min.
Max.
Unit
t
1
t
2[4]
All
Output Duty Cycle
[6]
t
1
= t
1A
÷
t
1B
Measured between 0.4 and 2.4V
45%
55%
CPUCLK, PCICLK
Output Rising and Fall-
ing Edge Rate
1
V/ns
t
3[4]
t
4[4]
t
5[4]
t
6[4]
t
7[4]
REF, KBDCLK, USBCLK
Rise Time
Measured between 0.4 and 2.4V
4
ns
REF, KBDCLK, USBCLK
Fall Time
Measured between 2.4 and 0.4V
4
ns
CPUCLK
CPU-CPU Clock Skew
Measured at 1.5V
250
ps
PCICLK
PCI-PCI Clock Skew
Measured at 1.5V
250
ps
CPUCLK, PCICLK
CPU-PCI Skew
Measured at 1.5V (
1 option)
Measured at 1.5V (
2 option)
1
4
ns
500
ps
t
8[4]
CPUCLK
Cycle-Cycle Clock Jitter CPU Clock Jitter
200
ps
Switching Waveforms
Duty Cycle Timing
t
1B
t
1A
1.5V
1.5V
1.5V
All Outputs Rise/FallTime
OUTPUT
t
2
t
3
3.3V
0V
0.4V
2.4V
2.4V
0.4V
t
2
t
4
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PDF描述 |
|---|---|
| CY2254ASC-2 | Pentium Processor Compatible Clock Synthesizer/Driver |
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| CY2277APVC-1 | LJT 128C 128#22D SKT RECP |
| CY2277APVC-12 | LJT 37C 37#16 PIN RECP |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY2254ASC-1T | 制造商:Cypress Semiconductor 功能描述:Pentium Processor Compatible 28-Pin SOIC T/R 制造商:Rochester Electronics LLC 功能描述:PENTIUM COMPATIBLE CLOCK GENERATOR/DRIVER - Tape and Reel |
| CY2254ASC-2 | 制造商:Cypress Semiconductor 功能描述:Pentium Processor Compatible 28-Pin SOIC |
| CY2255 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CPU System Clock Generator |
| CY225670SNC | 制造商:Cypress Semiconductor 功能描述: |
| CY2256PVC-1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CPU System Clock Generator |
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