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ISL3331IRZ Datasheet(PDF) 9 Page - Intersil Corporation |
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ISL3331IRZ Datasheet(HTML) 9 Page - Intersil Corporation |
9 / 25 page 9 FN6361.0 May 20, 2008 RS-232 DRIVER and RECEIVER SWITCHING CHARACTERISTICS (485/232 = 0V, ALL VERSIONS AND SPEEDS) Driver Output Transition Region Slew Rate SR RL =3kΩ, Measured From 3V to -3V or -3V to 3V CL ≥ 15pF Full - 20 30 V/µs CL ≤ 2500pF Full 4 12 - V/µs Driver Output Transition Time tr, tf RL =3kΩ, CL = 2500pF, 10% to 90% Full 0.22 1.2 3.1 µs Driver Propagation Delay tDPHL RL =3kΩ, CL = 1000pF (Figure 6) Full - 1 2 µs tDPLH Full - 1.2 2 µs Driver Propagation Delay Skew tDSKEW tDPHL - tDPLH (Figure 6) Full - 300 450 ns Driver Enable Time tDEN 25 - 1200 - ns Driver Disable Time tDDIS RL =5kΩ, Measured at VOUT = ±3V 25 - 500 - ns Driver Enable Time from Shutdown tDENSD VOUT = ±3.0V (Note 14) 25 - 25 - µs Driver Maximum Data Rate DRD RL =3kΩ, CL = 1000pF, One Transmitter Switching Full 250 400 - kbps Receiver Propagation Delay tRPHL CL = 15pF (Figure 7) Full - 40 120 ns tRPLH Full - 60 120 ns Receiver Propagation Delay Skew tRSKEW tRPHL - tRPLH (Figure 7) Full - 20 40 ns Receiver Maximum Data Rate DRR CL = 15pF Full 0.46 2 - Mbps Receiver Enable to Output Low tZL CL = 15pF, SW = VCC (Figure 5) Full - 18 - ns Receiver Enable to Output High tZH CL = 15pF, SW = GND (Figure 5) Full - 18 - ns Receiver Disable from Output Low tLZ CL = 15pF, SW = VCC (Figure 5) Full - 22 - ns Receiver Disable from Output High tHZ CL = 15pF, SW = GND (Figure 5) Full - 22 - ns Receiver Enable from Shutdown to Output Low tZLSHDN CL = 15pF, SW = VCC (Figure 5, Note 14)25 - 60 - ns Receiver Enable from Shutdown to Output High tZHSHDN CL = 15pF, SW = GND (Figure 5, Note 14)25 - 20 - ns 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 = 54Ω, CL = 100pF (Figure 2) Full 10 20 35 ns Driver Output Skew tSKEW RDIFF = 54Ω, CL = 100pF (Figure 2) Full - 2 10 ns Driver Differential Rise or Fall Time tR, tF RDIFF = 54Ω, CL = 100pF (Figure 2) Full 3 20 30 ns Driver Enable to Output Low tZL CL = 100pF, SW = VCC (Figure 3) Full - 28 60 ns Driver Enable to Output High tZH CL = 100pF, SW = GND (Figure 3) Full - 39 60 ns Driver Disable from Output Low tLZ CL = 15pF, SW = VCC (Figure 3) Full - 30 60 ns Driver Disable from Output High tHZ CL = 15pF, SW = GND (Figure 3) Full - 25 60 ns Driver Enable from Shutdown to Output Low tZL(SHDN) RL = 500Ω, CL = 100pF, SW = VCC (Figure 3, Note 14) Full - 100 250 ns Driver Enable from Shutdown to Output High tZH(SHDN) RL = 500Ω, CL = 100pF, SW = GND (Figure 3, Note 14) Full - 290 375 ns Driver Maximum Data Rate fMAX RDIFF = 54Ω, CL = 100pF (Figure 2) Full 20 35 - Mbps RS-485 DRIVER SWITCHING CHARACTERISTICS (MEDIUM DATA RATE (460kbps), 485/232 = VCC, SLEW = 0V, SPB (QFN Only) = VCC, ALL VERSIONS) Driver Differential Input to Output Delay tDLH, tDHL RDIFF = 54Ω, CL = 100pF (Figure 2) Full 200 500 1000 ns Driver Output Skew tSKEW RDIFF = 54Ω, CL = 100pF (Figure 2) Full - 10 150 ns Driver Differential Rise or Fall Time tR, tF RDIFF = 54Ω, CL = 100pF (Figure 2) Full 300 660 1100 ns Electrical Specifications Test Conditions: VCC = 3.15V to 3.45V, C1 to C4 = 0.1µF, VL = VCC (for QFN only), Unless Otherwise Specified. Typicals are at VCC = 3.3V, TA = +25°C (Note 9) (Continued) PARAMETER SYMBOL TEST CONDITIONS TEMP (°C) MIN (Note 15) TYP MAX (Note 15) UNITS ISL3330, ISL3331 |
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