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參數(shù)資料
| 型號(hào)： | C9851 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Clock Generator for Pentium III Server and Workstation Applications |
| 中文描述： | 時(shí)鐘奔騰III服務(wù)器和工作站發(fā)電機(jī)應(yīng)用 |
| 文件頁(yè)數(shù)： | 3/14頁(yè) |
| 文件大?。?/td> | 122K |
| 代理商： | C9851 |
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Clock Generator for Pentium
III Server and Workstation Applications
Cypress Semiconductor Corporation
525 Los Coches St.
Milpitas, CA 95035. Tel: 408-263-6300, Fax: 408-263-6571
http://www.cypress.com
Document#: 38-07068 Rev. **
05/04/2001
Page 3 of 14
PRELIMINARY
C9851
Maximum Ratings
Maximum Input Voltage Relative to VSS: VSS - 0.5V
Maximum Input Voltage Relative to VSS: VDD + 0.7V
Storage Temperature:
Operating Temperature:
Maximum ESD protection
Maximum Power Supply:
-65oC to + 150oC
0oC to +70oC
2000V
5.5V
This device contains circuitry to protect the inputs
against damage due to high static voltages or electric
field; however, precautions should be taken to avoid
application of any voltage higher than the maximum
rated voltages to this circuit. For proper operation, Vin
and Vout should be constrained to the range:
VSS<(Vin or Vout)<VDD
Unused inputs must always be tied to an appropriate
logic voltage level (either VSS or VDD).
DC Parameters
(VDDI = VDD = VDDR = VDDL = VDDM = VDDC = 3.3V
±
5%, TA = 0
°
C to +70
°
C)
Characteristic
Symbol
Min
Input Low Voltage
VIL1
-
Input High Voltage
VIH1
2.0
Input Low Current (@Vin =
VSS)
Input High Current (@Vin =
VDD)
Input Low Current (@Vin =
VSS)
Input High Current (@Vin =
VDD)
Tri-State leakage Current
Ioz
-
Static Supply Current
Idd
-
Dynamic Supply Current
Isdd
-
Input pin capacitance
Cin
-
Output pin capacitance
Cout
-
Pin Inductance
Lpin
-
Crystal pin capacitance
Cxtal
34
Typ
Max
Units
Vdc
Vdc
μA
Conditions
-
-
0.8
-
-4
Note 1
IIL
-16
IIH
0
5
μA
For internal Pull up resistors, Note 1
and Note 2
-
IIL
0
-
μA
IIH
4
16
μA
For internal Pull down resistors, Note
1 and Note 2
-
-
-
-
-
-
10
30
200
5
6
7
38
μA
mA
mA
pF
pF
nH
pF
PwrDwn=Low
133 MHz CPU, Note 3
36
Measured from Pin to Ground. See
crystal specification section presented
later in this data sheet.
From Stable 3.3V power supply.
Crystal Startup time
Txs
-
-
40
μ
S
K
Internal Pull-up and Pull-
down resistor value
Note1:
Applicable to input signals: Sel100/133, Sel(A:B)), Spread#, PWRDN#, MultSel(0:1)
Note2:
Although internal pull-up or Pull-Down resistors have a typical value of 250K, this value may vary between 200K and 500K.
Note3:
All outputs loaded as per the maximum capacitive table in this data sheet.
Rpi
200
250
500
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