전자부품 데이터시트 검색엔진 |
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ISL4238EIR-T 데이터시트(PDF) 7 Page - Intersil Corporation |
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ISL4238EIR-T 데이터시트(HTML) 7 Page - Intersil Corporation |
7 / 17 page 7 ENHANCED AUTOMATIC POWERDOWN (FORCEON = GND, FORCEOFF = VCC) Receiver Input Thresholds to INVALID High See Figure 6 Full -2.7 - 2.7 V Receiver Input Thresholds to INVALID Low See Figure 6 Full -0.3 - 0.3 V INVALID, Output Voltage Low IOUT = 1.6mA Full - - 0.4 V INVALID, Output Voltage High IOUT = -1.0mA Full VCC-0.6 - - V Receiver Positive or Negative Threshold to INVALID High Delay (tINVH) 25 - 0.5 1 µs Full - 0.9 1.5 µs Receiver Positive or Negative Threshold to INVALID Low Delay (tINVL) ISL4238E 25 - 60 100 µs Full 100 150 µs Receiver Positive or Negative Threshold to INVALID Low Delay (tINVL) ISL4244E/45E 25 - 30 50 µs Full 40 60 µs Receiver or Transmitter Edge to Transmitters Enabled Delay (tWU) Note 5 Full - 20 100 µs Receiver or Transmitter Edge to Transmitters Disabled Delay (tAUTOPWDN) Note 5 Full 15 30 60 sec TIMING CHARACTERISTICS Maximum Data Rate ISL4238E/44E RL =3kΩ, CL = 1000pF, One Transmitter Switching Full 250 500 - kbps Maximum Data Rate ISL4245E RL = 3kΩ, One Transmitter Switching CL = 1000pF Full 250 900 - kbps VCC = 3V to 4.5V, CL = 250pF Full 1000 2000 - kbps VCC = 4.5V to 5.5V, CL = 1000pF Full 1000 1500 - kbps Receiver Propagation Delay Receiver Input to Receiver Output, CL = 150pF tPHL 25 - 0.15 0.3 µs Full - 0.2 0.35 µs tPLH 25 - 0.3 0.5 µs Full - 0.35 0.55 µs Receiver Skew tPHL - tPLH, CL = 150pF 25 - 120 250 ns Full - 150 300 ns Transmitter Propagation Delay ISL4238E/44E Transmitter Input to Transmitter Output, CL = 1000pF, RL = 3kΩ tPHL 25 - 0.75 1 µs Full - 0.85 1.1 µs tPLH 25 - 0.8 1 µs Full - 0.9 1.1 µs Transmitter Skew ISL4238E/44E tPHL - tPLH (Note 7), RL = 3kΩ, CL = 1000pF 25 - 50 200 ns Full - 100 250 ns Transmitter Propagation Delay ISL4245E Transmitter Input to Transmitter Output, CL = 1000pF, RL = 3kΩ tPHL 25 - 0.4 0.8 µs Full - 0.5 0.8 µs tPLH 25 - 0.35 0.7 µs Full - 0.4 0.7 µs Transmitter Skew ISL4245E tPHL - tPLH (Note 6), RL = 3kΩ, CL = 1000pF 25 - 50 200 ns Full - 60 250 ns Electrical Specifications Test Conditions: ISL4238E VCC = 3.15V to 5.5V, C1 - C4 = 0.1µF; VCC = 3V, C1 - C4 = 0.22µF; ISL424XE VCC = 3V to 5.5V, C1 - C4 = 0.1µF; Unless Otherwise Specified. Typicals are at TA = 25 oC PARAMETER TEST CONDITIONS TEMP (oC) MIN TYP MAX UNITS ISL4238E, ISL4244E, ISL4245E |
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