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About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

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Is there any problem with waveforms with input signals rising or falling gently?

For example, for Toshiba IC couplers TLP2355 and TLP2358, which are suitable for transmitting several-Mbps signals, Toshiba recommends drive signals making both the rise time and fall time of input signals 0.5μs or less. Should the waveform have a steeper slope compared with the case of about 0.5μs, the output potential will stay around the medium potential longer, causing output oscillation and through-current. If the input waveform has a steep slope, in some cases, the waveform must be shaped by incorporating a logic IC at the first-half stage.

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