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ISO7840 Datasheet(PDF) 9 Page - Texas Instruments |
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ISO7840 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 33 page  ISO7840, ISO7840F www.ti.com SLLSEN2 – JULY 2015 6.9 Switching Characteristics, 5 V VCC1 = VCC2 = 5 V ±10% (over recommended operating conditions unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPLH, tPHL Propagation delay time 6 11 16 See Figure 7 PWD(1) Pulse width distortion |tPHL – tPLH| 0.55 4.1 tsk(o) (2) Channel-to-channel output skew time Same-direction channels 2.5 tsk(pp) (3) Part-to-part skew time 4.5 ns tr Output signal rise time 1.7 3.9 See Figure 7 tf Output signal fall time 1.9 3.9 tPHZ Disable propagation delay, high-to-high impedance output 12 20 tPLZ Disable propagation delay, low-to-high impedance output 12 20 Enable propagation delay, high impedance-to-high output for 10 20 ns ISO7840 tPZH Enable propagation delay, high impedance-to-high output for See Figure 8 2 2.5 μs ISO7840F Enable propagation delay, high impedance-to-low output for 2 2.5 μs ISO7840 tPZL Enable propagation delay, high impedance-to-low output for 10 20 ns ISO7840F Measured from the time VCC tfs Default output delay time from input power loss 0.2 9 μs goes below 1.7 V. See Figure 9 tie Time interval error 0.90 ns 216 – 1 PRBS data at 100 Mbps (1) Also known as pulse skew. (2) tsk(o) is the skew between outputs of a single device with all driving inputs connected together and the outputs switching in the same direction while driving identical loads. (3) tsk(pp) is the magnitude of the difference in propagation delay times between any terminals of different devices switching in the same direction while operating at identical supply voltages, temperature, input signals and loads. 6.10 Switching Characteristics, 3.3 V VCC1 = VCC2 = 3.3 V ±10% (over recommended operating conditions unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPLH, tPHL Propagation delay time 6 10.8 16 See Figure 7 PWD(1) Pulse width distortion |tPHL – tPLH| 0.7 4.2 tsk(o) (2) Channel-to-channel output skew time Same-direction channels 2.2 tsk(pp) (3) Part-to-part skew time 4.5 tr Output signal rise time 0.8 3 ns See Figure 7 tf Output signal fall time 0.8 3 Disable propagation delay, high-to-high impedance tPHZ 17 32 output Disable propagation delay, low-to-high impedance tPLZ 17 32 output Enable propagation delay, high impedance-to-high 17 32 ns output for ISO7840 tPZH See Figure 8 Enable propagation delay, high impedance-to-high 2 2.5 μs output for ISO7840F Enable propagation delay, high impedance-to-low 2 2.5 μs output for ISO7840 tPZL Enable propagation delay, high impedance-to-low 17 32 ns output for ISO7840F Measured from the time VCC goes tfs Default output delay time from input power loss 0.2 9 μs below 1.7 V. See Figure 9 tie Time interval error 0.91 ns 216 – 1 PRBS data at 100 Mbps (1) Also known as Pulse Skew. (2) tsk(o) is the skew between outputs of a single device with all driving inputs connected together and the outputs switching in the same direction while driving identical loads. (3) tsk(pp) is the magnitude of the difference in propagation delay times between any terminals of different devices switching in the same direction while operating at identical supply voltages, temperature, input signals and loads. Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: ISO7840 ISO7840F |
Similar Part No. - ISO7840_15 |
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Similar Description - ISO7840_15 |
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