XR88C681CP Datasheet, PDF(90/99 Page) Exar Corporation – CMOS DUAL CHANNEL UART (DUART)

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XR88C681CP Datasheet, PDF (90/99 Pages) Exar Corporation – CMOS DUAL CHANNEL UART (DUART)

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XR88C681

K. TIMING DIAGRAMS

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Figure 50. Input and Output Levels for Timing Measurements

Note: AC testing inputs are driven at 0.4V for a logic â0â and 2.4V for a logic â1â except for -40 to 85(C and -55 to 125(C, logic â1â shall

be 2.6V. Timing measurements are made at 0.8V for a logic â0â and 2.0V for a logic â1â.

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Figure 51. Reset Timing

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