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CDCE706 데이터시트(PDF) 37 Page - Texas Instruments

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부품명 CDCE706
상세설명  PROGRAMMABLE 3-PLL CLOCK SYNTHESIZER/MULTIPLIER/DIVIDER
PDF  40 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

CDCE706 데이터시트(HTML) 37 Page - Texas Instruments

Back Button CDCE706 Datasheet HTML 32Page - Texas Instruments CDCE706 Datasheet HTML 33Page - Texas Instruments CDCE706 Datasheet HTML 34Page - Texas Instruments CDCE706 Datasheet HTML 35Page - Texas Instruments CDCE706 Datasheet HTML 36Page - Texas Instruments CDCE706 Datasheet HTML 37Page - Texas Instruments CDCE706 Datasheet HTML 38Page - Texas Instruments CDCE706 Datasheet HTML 39Page - Texas Instruments CDCE706 Datasheet HTML 40Page - Texas Instruments  
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V
t
Typ3.3V
Typ2.1V
Typ1.7V
A
B
C
D
V
CC
V
PUC_ON
V
PUC_OFF
GND
T0411-01
EVM and Programming Software
CDCE706
www.ti.com ........................................................................................................................................... SCAS815I – OCTOBER 2005 – REVISED NOVEMBER 2008
Figure 34. Different Voltage Drops on VCC During Operation
The CDCE706 power-up circuit has built-in hysteresis. If the voltage stays above VPUC_OFF, which is typically at
1.7 V, the register content stays unchanged. If the voltage drops below VPUC_OFF, the internal register is reloaded
by the EEPROM after VPUC_ON is crossed again. VPUC_ON is typically 2.1 V. Table 8 shows the content of the
EEPROM and the register after the voltage-drop scenarios shown in Figure 34.
Table 8. EEPROM and Register Content After VCC Drop
Power Drop
EEPROM Content
Register Content
A
Unchanged
Unchanged
B
Unchanged
Unchanged
C
Unchanged
Reloaded from EEPROM
D
Unchanged
Reloaded from EEPROM
The CDCE706 EVM is a development kit consisting of a performance evaluation module, the TI Pro Clock
software, and the User's Guide. Contact a Texas Instruments sales or marketing representative for more
information.
Copyright © 2005–2008, Texas Instruments Incorporated
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Product Folder Link(s): CDCE706



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