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DS90LV047A Datasheet(PDF) 4 Page - Texas Instruments |
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DS90LV047A Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 21 page  DS90LV047A SNLS044C – MAY 2000 – REVISED APRIL 2013 www.ti.com Switching Characteristics VCC = +3.3V ± 10%, TA = −40°C to +85°C (1) (2) (3) Symbol Parameter Conditions Min Typ Max Units tPHLD Differential Propagation Delay High to Low RL = 100Ω, CL = 15 pF 0.5 0.9 1.7 ns (Figure 3 and Figure 4) tPLHD Differential Propagation Delay Low to High 0.5 1.2 1.7 ns tSKD1 Differential Pulse Skew |tPHLD − tPLHD| (4) 0 0.3 0.4 ns tSKD2 Channel-to-Channel Skew(5) 0 0.4 0.5 ns tSKD3 Differential Part to Part Skew(6) 0 1.0 ns tSKD4 Differential Part to Part Skew(7) 0 1.2 ns tTLH Rise Time 0.5 1.5 ns tTHL Fall Time 0.5 1.5 ns tPHZ Disable Time High to Z RL = 100Ω, CL = 15 pF 2 5 ns (Figure 5 and Figure 6) tPLZ Disable Time Low to Z 2 5 ns tPZH Enable Time Z to High 3 7 ns tPZL Enable Time Z to Low 3 7 ns fMAX Maximum Operating Frequency(8) 200 250 MHz (1) All typicals are given for: VCC = +3.3V, TA = +25°C. (2) Generator waveform for all tests unless otherwise specified: f = 1 MHz, ZO = 50Ω, tr ≤ 1 ns, and tf ≤ 1 ns. (3) CL includes probe and jig capacitance. (4) tSKD1 |tPHLD − tPLHD| is the magnitude difference in differential propagation delay time between the positive going edge and the negative going edge of the same channel. (5) tSKD2 is the Differential Channel-to-Channel Skew of any event on the same device. (6) tSKD3, Differential Part to Part Skew, is defined as the difference between the minimum and maximum specified differential propagation delays. This specification applies to devices at the same VCC and within 5°C of each other within the operating temperature range. (7) tSKD4, part to part skew, is the differential channel-to-channel skew of any event between devices. This specification applies to devices over recommended operating temperature and voltage ranges, and across process distribution. tSKD4 is defined as |Max − Min| differential propagation delay. (8) fMAX generator input conditions: tr = tf < 1 ns (0% to 100%), 50% duty cycle, 0V to 3V. Output Criteria: duty cycle = 45%/55%, VOD > 250mV, all channels switching. Parameter Measurement Information Figure 2. Driver VOD and VOS Test Circuit Figure 3. Driver Propagation Delay and Transition Time Test Circuit 4 Submit Documentation Feedback Copyright © 2000–2013, Texas Instruments Incorporated Product Folder Links: DS90LV047A |
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