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ISL81387IAZ Datasheet(PDF) 9 Page - Intersil Corporation |
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ISL81387IAZ Datasheet(HTML) 9 Page - Intersil Corporation |
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9 / 27 page  ISL81387, ISL41387 9 FN6201.4 June 9, 2014 Submit Document Feedback Driver Output Transition Time tr, tf RL =3k, CL = 2500pF, 10% to 90% Full 0.22 1.2 3.1 µs Driver Propagation Delay tDPHL RL =3kCL = 1000pF (Figure 6) Full - 1 2 µs tDPLH Full - 1.2 2 µs Driver Propagation Delay Skew tDSKEW tDPHL - tDPLH (Figure 6) Full - 240 400 ns Driver Enable Time tDEN 25 - 800 - ns Driver Disable Time tDDIS RL =5kMeasured at VOUT = ±3V 25 - 500 - ns Driver Enable Time from Shutdown tDENSD VOUT = ±3.0V (Note 16) 25 - 20 - µs Driver Maximum Data Rate DRD RL =3kCL = 1000pF, One Transmitter Switching Full 460 650 - kbps Receiver Propagation Delay tRPHL CL = 15pF (Figure 7) Full - 50 120 ns tRPLH Full - 40 120 ns Receiver Propagation Delay Skew tRSKEW tRPHL - tRPLH (Figure 7) Full - 10 40 ns Receiver Maximum Data Rate DRR CL = 15pF Full 0.46 2 - Mbps RS-485 DRIVER SWITCHING CHARACTERISTICS (FAST DATA RATE (20Mbps), 485/232 = VCC, SLEW = VCC, ALL VERSIONS) Driver Differential Input to Output Delay tDLH, tDHL RDIFF = 54, CL = 100pF (Figure 2)Full 15 30 50 ns Driver Output Skew tSKEW RDIFF = 54, CL = 100pF (Figure 2) Full - 0.5 10 ns Driver Differential Rise or Fall Time tR, tF RDIFF = 54, CL = 100pF (Figure 2) Full 3 11 20 ns Driver Enable to Output Low tZL CL = 100pF, SW = VCC (Figure 3)Full - 27 60 ns Driver Enable to Output High tZH CL = 100pF, SW = GND (Figure 3)Full - 24 60 ns Driver Disable from Output Low tLZ CL = 15pF, SW = VCC (Figure 3)Full - 31 60 ns Driver Disable from Output High tHZ CL = 15pF, SW = GND (Figure 3)Full - 24 60 ns Driver Enable from Shutdown to Output Low tZL(SHDN) RL = 500, CL = 100pF, SW = VCC (Figure 3) (Note 16) Full - 65 250 ns Driver Enable from Shutdown to Output High tZH(SHDN) RL = 500, CL = 100pF, SW = GND (Figure 3) (Note 16) Full - 152 250 ns Driver Maximum Data Rate fMAX RDIFF = 54, CL = 100pF (Figure 2) Full - 30 - Mbps RS-485 DRIVER SWITCHING CHARACTERISTICS (MEDIUM DATA RATE (460kbps), 485/232 = VCC, SLEW = 0V, SPB = VCC (QFN Only), ALL VERSIONS) Driver Differential Input to Output Delay tDLH, tDHL RDIFF = 54, CL = 100pF (Figure 2) Full 200 490 1000 ns Driver Output Skew tSKEW RDIFF = 54, CL = 100pF (Figure 2) Full - 110 400 ns Driver Differential Rise or Fall Time tR, tF RDIFF = 54, CL = 100pF (Figure 2) Full 300 600 1100 ns Driver Enable to Output Low tZL CL = 100pF, SW = VCC (Figure 3) Full - 30 300 ns Driver Enable to Output High tZH CL = 100pF, SW = GND (Figure 3)Full - 128 300 ns Driver Disable from Output Low tLZ CL = 15pF, SW = VCC (Figure 3)Full - 31 60 ns Driver Disable from Output High tHZ CL = 15pF, SW = GND (Figure 3)Full - 24 60 ns Driver Enable from Shutdown to Output Low tZL(SHDN) RL = 500, CL = 100pF, SW = VCC (Figure 3) (Note 16) Full - 65 500 ns Driver Enable from Shutdown to Output High tZH(SHDN) RL = 500, CL = 100pF, SW = GND (Figure 3) (Note 16) Full - 255 500 ns Driver Maximum Data Rate fMAX RDIFF = 54, CL = 100pF (Figure 2) Full - 2000 - kbps Electrical Specifications Test Conditions: VCC = 4.5V to 5.5V, C1 - C4 = 0.1µF, VL = VCC (for QFN only), Unless Otherwise Specified. Typicals are at VCC = 5V, TA = +25°C (Note 10). (Continued) PARAMETER SYMBOL TEST CONDITIONS TEMP (°C) MIN (Note 17)TYP MAX (Note 17)UNITS |
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