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PI90LVB387 Datasheet(PDF) 4 Page - Pericom Semiconductor Corporation |
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PI90LVB387 Datasheet(HTML) 4 Page - Pericom Semiconductor Corporation |
4 / 7 page 4 PS8573C 09/22/04 PI90LV387/PI90LVB387 High-Speed Differential Line Drivers Switching Characteristics (Over Recommended Operating Conditions, unless otherwise noted) Symbol Parameter Test Conditions Min. Typ. Max. Units tPHL Propagation delay time low-to-high level outputs RL = 50Ω (LVB) RL = 100Ω (LV) CL = 10pF See Figure 4 0.9 1.8 2.6 ns tPHL Propagation delay time, high-to-low-level outputs 0.9 1.8 2.6 tr Differential outpu sign rise time 0.4 0.8 1.3 tf Differential output signal fall time 0.4 0.8 1.3 tsk(p) Pulse skew ( | tphl - tphl | ) 150 500 ps tsk(o) Output skew(2) 80 150 tsk(pp) Part-to-part skew (3) 1.5 tPZH Propagation delay time, high impdeance-to high-level output See Figure 5 4.5 6.7 ns tPZL Propagation delay time, high impdeance-to low-level output 3.5 5.1 tPHZ Propagation delay time, high-level-to-high-impdeance output 3.1 4.6 tPLZ Propagation delay time, low-level-to-high-impdeance output 3.1 4.6 fMAX Maximum operating frequency 250 MHz Notes: 1. All typical values are at 25°C and with a 3.3V supply 2. tsk(o) is the magnitude of the time difference between the tPLH or tPHL of all drivers of a single device with all of their inputs connected to- gether. 3. tsk(pp) is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both devices operate with the same supply voltages, at the same temperature, and have identical packages and test circuits |
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