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SCAN921821 Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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SCAN921821 Datasheet(HTML) 3 Page - National Semiconductor (TI) |
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3 / 11 page ![]() DC Electrical Characteristics (Continued) Over recommended operating supply and temperature ranges unless otherwise specified. Symbol Parameter Conditions Min Typ Max Units Bus LVDS Output DC Specifications V OD Output Differential Voltage (DO+) - (DO-) Figure 10,R L = 100 Ω 450 500 550 mV ∆V OD Output Differential Voltage Unbalance 215 mV V OS Offset Voltage 1.05 1.2 1.25 V ∆V OS Offset Voltage Unbalance 2.7 15 mV Q POV Pre-Emphasis Output Voltage Ratio |V ODPRE /VOD | Pre-Emphasis Level = 1 1.10 1.24 1.35 Pre-Emphasis Level = 2 1.35 1.47 1.55 Pre-Emphasis Level = 3 1.55 1.70 1.80 Pre-Emphasis Level = 4 1.80 1.91 1.95 Pre-Emphasis Level = 5 1.95 2.08 2.20 Pre-Emphasis Level = 6 2.10 2.21 2.35 Pre-Emphasis Level = 7 2.15 2.30 2.50 I OS Output Short Circuit Current DO = 0V, Din = H, PWDN and EN = 2.4V -10 -25 -75 mA I OZ TRI-STATE Output Current PWDN or EN = 0.8V, DO = 0V (Note 4) -10 ± 1 +10 µA PWDN or EN = 0.8V, DO = VDD (Note 4) -55 ± 6 +55 µA Power Supply Current (DVDD, PVDD and AVDD Pins) I DD Total Supply Current (includes load current) C L = 15pF, R L = 100 Ω f = 66 MHz, PRBS-15 Pattern 160 225 mA f = 66 MHz, Worst Case Pattern (Checker-Board Pattern) 180 mA I DDP Total Supply Current with Pre-Emphasis (includes load current) C L = 15pF, R L = 100 Ω f = 66 MHz, PRBS-15 Pattern 240 mA f = 66 MHz, Worst Case Pattern (Checker-Board Pattern) 280 325 mA I DDX Supply Current Powerdown PWDN = 0.8V, EN = 0.8V 1.0 3.0 mA Timing Requirements for TCLK Over recommended operating supply and temperature ranges unless otherwise specified. Symbol Parameter Conditions Min Typ Max Units t TCP Transmit Clock Period 15.2 T 66.7 ns t TCIH Transmit Clock High Time 0.4T 0.5T 0.6T ns t TCIL Transmit Clock Low Time 0.4T 0.5T 0.6T ns t CLKT TCLK Input Transition Time 36 ns t JIT TCLK Input Jitter (Note 5) 80 ps (RMS) www.national.com 3 |
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