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參數(shù)資料
| 型號(hào)： | CY2285 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 100-MHz PentiumII Clock Synthesizer/Driver with Spread Spectrum for Mobile PCs(應(yīng)用于移動(dòng)PC機(jī)并帶有寬頻譜的100MHz奔騰II時(shí)鐘合成器/驅(qū)動(dòng)器) |
| 中文描述： | 100兆赫PentiumII時(shí)鐘合成器/驅(qū)動(dòng)器，帶有擴(kuò)頻移動(dòng)PC（應(yīng)用于移動(dòng)電腦機(jī)并帶有寬頻譜的100MHz的奔騰二時(shí)鐘合成器/驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 5/9頁(yè) |
| 文件大?。?/td> | 120K |
| 代理商： | CY2285 |
CY2285
5
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Supply Voltage..................................................
–
0.5 to +7.0V
Input Voltage..............................................
–
0.5V to V
DD
+0.5
Operating Conditions
[5]
Storage Temperature (Non-Condensing) ...
–
65
°
C to +150
°
C
Max. Soldering Temperature (10 sec) ...................... +260
°
C
Junction Temperature............................................... +150
°
C
Static Discharge Voltage ...........................................>2000V
(per MIL-STD-883, Method 3015, like V
DD
pins tied together)
Parameter
V
DD
V
DDCPU
T
A
C
L
Description
Min.
3.135
2.375
0
Max.
3.465
2.625
70
Unit
V
V
°
C
pF
Analog and Digital 3.3V Supply Voltage
CPU Supply Voltage
Operating Temperature, Ambient
Max. Capacitive Load on
CPUCLK
PCICLK
REF
Reference Frequency, Oscillator Nominal Value
20
30
35
f
(REF)
14.318
14.318
MHz
Electrical Characteristics
Over the Operating Range
Parameter
V
IH
V
IL
V
OH
V
OL
V
OH
Description
Test Conditions
Min. Max. Unit
2.0
0.8
2.0
0.4
2.4
High-level Input Voltage
Low-level Input Voltage
High-level Output Voltage
Low-level Output Voltage
High-level Output Voltage
Except Crystal Inputs
[6]
Except Crystal Inputs
[6]
V
DDCPU
= 2.375V
V
DDCPU
= 2.375V
V
DDPCI
, AV
DD
, V
DDREF
= 3.135V
V
V
V
V
V
I
OH
= 12 mA
I
OL
= 12 mA
I
OH
= 14.5 mA PCICLK
I
OH
= 16 mA
I
OH
= 36 mA
I
OL
= 9.4 mA
I
OL
= 9 mA
CPUCLK
CPUCLK
REF
REF
[7]
PCICLK
REF
REF
[7]
V
OL
Low-level Output Voltage
V
DDPCI
, AV
DD
, V
DDREF
= 3.135V
0.4V
V
I
OL
= 29 mA
I
IH
I
IL
I
OZ
I
DD25
Input High Current
Input Low Current
Output Leakage Current
Power Supply Current for
2.5V clocks
Power Supply Current for
2.5V clocks
Power Supply Current for
3.3V clocks
Powerdown Current
V
IH
= V
DD
V
IL
= 0V
Three-state
V
DDCPU
= 2.625V, V
IN
= 0 or V
DD
, Loaded Outputs, CPU = 66.6 MHz
–
10
+10
10
+10
70
μ
A
μ
A
μ
A
mA
–
10
I
DD25
V
DDCPU
= 2.625V, V
IN
= 0 or V
DD
, Loaded Outputs, CPU = 100 MHz
100
mA
I
DD33
V
DD
= 3.465V, V
IN
= 0 or V
DD
, Loaded Outputs
170
mA
I
DDS
Notes:
5.
6.
7.
Current draw in powerdown state
500
μ
A
Electrical parameters are guaranteed with these operating conditions.
Crystal Inputs have CMOS thresholds, nominally V
DD
/2.
CY2285-2 option only.
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相關(guān)代理商/技術(shù)參數(shù) |
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| CY2285PVC-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 |
| CY2285PVC-2 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:100-MHz Pentium㈢II Clock Synthesizer/Driver with Spread Spectrum for Mobile PCs |
| CY2285PVC-3 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:100-MHz Pentium㈢II Clock Synthesizer/Driver with Spread Spectrum for Mobile PCs |
| CY2287 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:100-MHz Spread Spectrum Clock Synthesizer/Driver with USB, Hublink, and SDRAM Support |
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