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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ECP2 датащи(PDF) 60 Page - Lattice Semiconductor |
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ECP2 датащи(HTML) 60 Page - Lattice Semiconductor |
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60 / 386 page  3-8 DC and Switching Characteristics Lattice Semiconductor LatticeECP2/M Family Data Sheet SERDES Power Supply Requirements (LatticeECP2M Family Only) 1 Over Recommended Operating Conditions SERDES Power (LatticeECP2M Family Only) Table 3-1 presents the SERDES power for one channel. Table 3-1. SERDES Power 1 Symbol Description Typ. 2 Units Standby (Power Down) ICCTX-SB VCCTX current (per channel) 10 µA ICCRX-SB VCCRX current (per channel) 75 µA ICCIB-SB Input buffer current (per channel) 0 µA ICCOB-SB Output buffer current (per channel) 0 µA ICCP-SB SERDES PLL current (per quad) 30 µA ICCAX33-SB SERDES termination current (per quad) 10 µA Operating (Data Rate = 3.125 Gbps) ICCTX-OP VCCTX current (per channel) 19 mA ICCRX-OP VCCRX current (per channel) 34 mA ICCIB-OP Input buffer current (per channel) 4 mA ICCOB-OP Output buffer current (per channel) 13 mA ICCP-OP SERDES PLL current (per quad) 26 mA ICCAX33-OP SERDES termination current (per quad) 0.01 mA 1. Equalization enabled, pre-emphasis disabled. 2. TJ = 25°C, power supplies at nominal voltage. Symbol Description Typ. 2 Units PS-1CH-31 SERDES power (one channel @ 3.125 Gbps) 90 mW PS-1CH-25 SERDES power (one channel @ 2.5 Gbps) 87 mW PS-1CH-12 SERDES power (one channel @ 1.25 Gbps) 86 mW PS-1CH-02 SERDES power (one channel @ 250 Mbps) 76 mW 1. One quarter of the total quad power (includes contribution from common circuits, all channels in the quad operating, pre-emphasis dis- abled, equalization enabled). 2. Typical values measured at 25 oC and 1.2V. |
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