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SN65LVDS048ADR Datasheet(PDF) 4 Page - Texas Instruments |
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SN65LVDS048ADR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 11 page SN65LVDS048A LVDS QUAD DIFFERENTIAL LINE RECEIVER SLLS451B– SEPTEMBER 2000 – REVISED SEPTEMBER 2002 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating conditions (unless otherwise noted) (see Notes 7) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT tPHL Differential propagation delay, high-to-low 1.9 2.7 3.7 ns tPLH Differential propagation delay, low-to-high 1.9 2.9 3.7 ns tSK(p) Differential pulse skew (tPHLD – tPLHD) (see Note 8) 200 450 ps tSK(o) Differential channel-to-channel skew; same device (see Note 8) CL = 15 pF VID 200 mV 50 500 ps tSK(pp) Differential part-to-part skew (see Note 10) VID = 200 mV (see Figure 1 and 2 ) 1 ns tSK(lim) Differential part-to-part skew (see Note11) (see Figure 1 and 2 ) 1.5 ns tr Rise time 0.5 1 ns tf Fall time 0.5 1 ns tPHZ Disable time high to Z 8 9 ns tPLZ Disable time low to Z RL = 2 K Ω CL 15 pF 6 8 ns tPZH Enable time Z to high CL = 15 pF (see Figure 3 and 4 ) 8 10 ns tPZL Enable time Z to low (see Figure 3 and 4 ) 7 8 ns f(MAX) Maximum operating frequency (see Note 12) All channels switching 200 250 MHz † All typical values are at 25 °C and with a 3.3-V supply. NOTES: 7. Generator waveform for all tests unless otherwise specified: f = 1 MHz, ZO = 50 Ω, tr and tf (0% – 100%) ≤ 3 ns for RIN. 8. tSK(p)|tPLH – tPHL| is the magnitude difference in differential propagation delay time between the positive going edge and the negative going edge of the same channel. 9. tSK(o) is the differential channel-to-channel skew of any event on the same device. 10. tSK(pp) is the differential part-to-part skew, and is defined as the difference between the minimum and the 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. 11. tsk(lim) 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. tsk(lim) is defined as |Min – Max| differential propagation delay. 12. f(MAX) generator input conditions: tr = tf < 1 ns (0% to 100%), 50% duty cycle, 0 V to 3 V. Output criteria: duty cycle = 45% to 55%, VOD > 250 mV, all channels switching |
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