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EP4CE6E22C6N 数据表(PDF) 21 Page - Altera Corporation |
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EP4CE6E22C6N 数据表(HTML) 21 Page - Altera Corporation |
21 / 42 page Chapter 1: Cyclone IV Device Datasheet 1–21 Switching Characteristics May 2013 Altera Corporation Cyclone IV Device Handbook, Volume 3 Figure 1–2 shows the lock time parameters in manual mode. 1 LTD = lock-to-data. LTR = lock-to-reference. Figure 1–3 shows the lock time parameters in automatic mode. Figure 1–2. Lock Time Parameters for Manual Mode rx _ analogreset rx _ digitalreset Reset Signals Output Status Signals rx _ locktorefclk 2 3 4 CDR Control Signals rx _ locktodata 3 busy 1 Two parallel clock cycles LTD_Manual (2) t LTR_LTD_Manual (1) t Figure 1–3. Lock Time Parameters for Automatic Mode Reset Signals rx _ analogreset 2 Output Status Signals rx _ freqlocked 3 rx _ digitalreset 4 busy 1 Two parallel clock cycles LTD_Auto (1) t |
类似零件编号 - EP4CE6E22C6N |
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类似说明 - EP4CE6E22C6N |
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