參數(shù)資料
型號: CY2267
廠商: Cypress Semiconductor Corp.
英文描述: Pentium Pro, and Cyrix 6x86 Compatible Clock Synthesizer/Driver(奔騰和 Cyrix公司 6x86兼容的時鐘合成器/驅(qū)動器)
中文描述: 奔騰Pro和Cyrix 6x86兼容的時鐘合成器/驅(qū)動器(奔騰和Cyrix公司6x86兼容的時鐘合成器/驅(qū)動器)
文件頁數(shù): 3/9頁
文件大?。?/td> 104K
代理商: CY2267
CY2267
3
CPU and PCI Clock Driver Strengths
Matched impedances on both rising and falling edges on
the output drivers
Output impedance: 25
(typical) measured at 1.5V.
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
Storage Temperature (Non-Condensing)... –65
°
C to +150
°
C
Max. Soldering Temperature (10 sec)...................... +260
°
C
Junction Temperature .............................................. +150
°
C
Package Power Dissipation.............................................. 1W
Static Discharge Voltage...........................................>2000V
(per MIL-STD-883, Method 3015)
Function Table
S2
S1
XTALIN
14.318 MHz
CPUCLK[1-16]
Hi-Z
PCICLK
Hi-Z
REFCLK
Hi-Z
USBCLK
Hi-Z
IOCLK
Hi-Z
0
0
0
1
14.318 MHz
66.67 MHz
33.33 MHz
14.318 MHz
48 MHz
24 MHz
1
0
14.318 MHz
50.0 MHz
25.0 MHz
14.318 MHz
48 MHz
24 MHz
1
1
14.318 MHz
60.0 MHz
30.0 MHz
14.318 MHz
48 MHz
24 MHz
Actual Clock Frequency Values
Clock Output
Target Frequency
(MHz)
Actual Frequency
(MHz)
PPM
CPUCLK
50.0
49.93
–1399
CPUCLK
66.67
66.56
–1597
CPUCLK
USBCLK
[2]
60.0
60.0
0
48.0
48.008
167
IOCLK
24.0
24.004
167
Notes:
2.
Meets Intel USB clock requirements.
Operating Conditions
[3]
Parameter
V
DD
T
A
C
L
Description
Min.
3.135
0
Max.
3.6
70
Unit
V
°
C
pF
Supply Voltage
Operating Temperature, Ambient
Max. Capacitive Load on
CPUCLK
PCICLK
USBCLK
IOCLK
REFCLK
30
30
20
20
45
f
(REF)
Note:
3.
Reference Frequency, Oscillator Nominal Value
14.318
14.318
MHz
Electrical parameters are guaranteed with these operating conditions.
相關(guān)PDF資料
PDF描述
CY2272 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)
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CY2276A-12 PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX and 4 DIMMs(帶英特爾82440LX 和4個DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時鐘合成器/驅(qū)動器)
CY2276A-13 PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX and 4 DIMMs(帶英特爾82440LX 和4個DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時鐘合成器/驅(qū)動器)
CY2276A-21 PentiumII Clock Synthesizer/Driver for Desktop PCs with Intel 82440LX and 3SO- DIMMs(帶英特爾82440LX 和3SO-DIMM的應(yīng)用于桌上型PC機(jī)的奔騰II時鐘合成器/驅(qū)動器)
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