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參數(shù)資料
| 型號： | MT88EBNR |
| 廠商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 4-Wire Calling Number Identification Circuit 2 (4-Wire CNIC2) |
| 中文描述： | TELEPHONE CALLING NO IDENT CKT, PDSO20 |
| 封裝： | 5.30 MM, MO-150AE, SSOP-20 |
| 文件頁數(shù)： | 14/30頁 |
| 文件大?。?/td> | 523K |
| 代理商： | MT88EBNR |
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MT88E45
Data Sheet
14
Zarlink Semiconductor Inc.
Oscillator
The MT88E45B requires a 3.579545 MHz crystal or ceramic resonator to generate its oscillator clock. To meet the
CAS detection frequency tolerance specifications the crystal or resonator must have a 0.1% frequency tolerance.
The crystal specification is as follows: (e.g., CTS MP036S)
Frequency:
Frequency Tolerance:
3.579545 MHz
±
0.1% (over temperature
range of the application)
Parallel
18 pF
Resonance Mode:
Load Capacitance:
Maximum Series
Resistance:
Maximum Drive Level:
150
2 mW
Alternatively an external clock source can be used. In which case the OSC1 pin should be driven directly from a
CMOS buffer and the OSC2 pin left open.
For 5V+/-10% applications any number of MT88E45B’s can be connected as shown in Figure 6 6 so that only one
crystal is required.
Figure 6 - Common Crystal Connection
OSC1
OSC2
OSC1
OSC2
OSC1
OSC2
3.579545 MHz
MT88E45B
MT88E45B
MT88E45B
to the
next MT88E45B
(For 5V+/-10% applications only)
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