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CDC7005ZVA 数据表(PDF) 7 Page - Texas Instruments |
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CDC7005ZVA 数据表(HTML) 7 Page - Texas Instruments |
7 / 34 page CDC7005 3.3V HIGH PERFORMANCE CLOCK SYNTHESIZER AND JITTER CLEANER SCAS685L− DECEMBER 2002 − REVISED JUNE 2009 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Table 3. Word 2 BIT BIT NAME DESCRIPTION / FUNCTION TYPE POWER-UP CONDITION PIN AFFECTED 0 C0 Register selection W 0 1 C1 Register selection W 1 2 HOLD Enables the hold functionality (1 = enabled) W 0 A4 3 NPD PD current sources, resets the dividers and 3-states all outputs (0 = active) W 1 4 NRESET RESET all dividers (0 = active) W 1 5 ENBG Enable bandgap (1 = enabled), see Note 2 W 1 C1 6 LOCKW 0 Lock detect window bit 0 W 0 A8 7 LOCKW 1 Lock detect window bit 1 W 0 A8 8 RES Reserved W X 9 RES Reserved W X 10 RES Reserved W X 11 RES Reserved W X 12 RES Reserved W X 13 RES Reserved W X 14 RES Reserved W X 15 RES Reserved W X 16 RES Reserved W X 17 RES Reserved W X 18 RES Reserved W X 19 RES Reserved W X 20 RES Reserved W X 21 RES Reserved W X 22 RES Reserved W X 23 RES Reserved W X 24 RES Reserved W X 25 RES Reserved W X 26 RES Reserved W X 27 RES Reserved W X 28 RES Reserved W X 29 RES Reserved W X 30 RES Reserved W X 31 RES Reserved W X NOTE 2: The reference voltage for the charge pump and LVPECL output circuitry can be generated in two ways. One way is to enable ENBG and the other way is to use the voltage divider circuitry (internal or external). It is recommended to enable ENBG because it gives an accurate value and it is independent on temperature variation. |
类似零件编号 - CDC7005ZVA |
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类似说明 - CDC7005ZVA |
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