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| 型號(hào)： | IMIC9806AYB |
| 元件分類： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | SSOP-48 |
| 文件頁(yè)數(shù)： | 3/15頁(yè) |
| 文件大?。?/td> | 178K |
| 代理商： | IMIC9806AYB |
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C9806
I
2C Frequency Clock Generator for Mobil Pentium II Applications.
Approved Product
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
Rev.1.4
9/2/1999
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
Page 11 of 15
http://www.imicorp.com
Crystal and Reference Oscillator Parameters
Characteristic
Symbol
Min
Typ
Max
Units
Conditions
Frequency
Fo
12.00
14.31818
16.00
MHz
Tolerance
TC
-
+/-100
PPM
Calibration note 1
TS
-
+/- 100
PPM
Stability (Ta -10 to +60C) Note 1
TA
-
5
PPM
Aging (first year @ 25C) Note 1
Mode
OM
-
Parallel Resonant
Pin Capacitance
CP
36
pF
Capacitance of XIN and Xout pins to
ground (each)
DC Bias Voltage
VBIAS
0.3Vdd
Vdd/2
0.7Vdd
V
Startup time
Ts
-
30
S
Load Capacitance
CL
-
20
-
pF
The crystal’s rated load. Note 1
Effective Series
resistance (ESR)
R1
-
40
Ohms
Power Dissipation
DL
-
0.10
mW
Note 1
Shunt Capacitance
CO
-
--
8
pF
Crystal’s internal package
capacitance (total)
For maximum accuracy, the total circuit loading capacitance should be equal to CL. This loading capacitance is the
effective capacitance across the crystal pins and includes the device pin capacitance (CP) in parallel with any circuit
traces, the clock generator and any onboard discrete load capacitors.
Budgeting Calculations
Typical trace capacitance, (< half inch) is 4 pF, Load to the crystal is therefore
=
2.0 pF
Clock generator internal pin capacitance of 36 pF, Load to the crystal is therefore
=
18.0 pF
The total parasitic capacitance would therefore be
= 20.0 pF.
Note 1: It is recommended but not mandatory that a crystal meets these specifications.
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