Q67120-C1048 Просмотр технического описания (PDF) - Siemens AG

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Q67120-C1048

8-bit Single-chip Microcontroller

Siemens AG 

C504

AC Inputs during testing are driven at VCC – 0.5 V for a logic ’1’ and 0.45 V for a logic ’0’.

Timing measurements are made at VIHmin for a logic ’1’ and VILmax for a logic ’0’.

Figure 21

AC Testing: Input, Output Waveforms

For timing purposes a port pin is no longer floating when a 100 mV change from load voltage

occurs and begins to float when a 100 mV change from the loaded VOH/VOL level occurs.

IOL/IOH ≥ ± 20 mA

Figure 22

AC Testing : Float Waveforms

Figure 23

Recommended Oscillator Circuits for Crystal Oscillator

Semiconductor Group

49

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