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SM844256 数据表(PDF) 5 Page - Micrel Semiconductor |
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SM844256 数据表(HTML) 5 Page - Micrel Semiconductor |
5 / 8 page Micrel, Inc. SM844256 July 2010 5 M9999-072110-B LVDS DC Electrical Characteristics (5, 6, 7) VDDA = VDD = 3.3V ±5% or 2.5V ±5%, VDDO = 2.5V or 3.3V ±5%, TA = –40°C to +85°C, unless noted. Symbol Parameter Condition Min Typ Max Units VOD Differential Output Voltage Figure 1 275 350 475 mV ΔVOD VOD Magnitude Change 40 mV VOS Offset Voltage 1.15 1.25 1.50 V ΔVOS VOS Magnitude Change 50 mV LVCMOS DC Electrical Characteristics (6) VDDA = VDD = 3.3V ±5% or 2.5V ±5%, VDDO = 2.5V or 3.3V ±5%, TA = –40°C to +85°C, unless noted. Symbol Parameter Condition Min Typ Max Units VIH Input High Voltage 2 VDD +0.3 V VIL Input Low Voltage -0.3 0.8 V IIH Input High Current (FB_SEL) VDD = VIN = 3.465V 150 μA IIH Input High Current (PLL_BYPASS), (N_SEL0), (NSEL1) VDD = VIN = 3.465V 5 μA IIL Input Low Current (FB_SEL) VDD = 3.465V, VIN = 0V -5 μA IIL Input Low Current (PLL_BYPASS), (N_SEL0), (NSEL1) VDD = 3.465V, VIN = 0V -150 μA AC Electrical Characteristics (8) VDDA = VDD = 3.3V ±5% or 2.5V ±5%, VDDO = 2.5V or 3.3V ±5%, TA = –40°C to +85°C, unless noted. Symbol Parameter Condition Min Typ Max Units FOUT Output Frequency Refer to Frequency Table 75 625 MHz Tjit(∅) RMS Phase Jitter (Random) 125MHz, Integration Range: (1.875MHz – 20MHz) 80 fs TSKEW Output-to-Output Skew Note 9 65 ps TR/TF LVDS Output Rise/Fall Time 20% – 80% 100 160 300 ps ODC Output Duty Cycle 45 50 55 % TLOCK PLL Lock Time 20 ms Notes: 5. See Figure 4 for load test circuit example. 6. The circuit is designed to meet the DC specifications shown in the above table(s) after thermal equilibrium has been established. 7. Outputs terminated 100Ω between Q and /Q. All unused outputs must be terminated. 8. The circuit is designed to meet the AC specifications shown in the above table(s) after thermal equilibrium has been established. 9. Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at the output differential crossing points. |
类似零件编号 - SM844256 |
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类似说明 - SM844256 |
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