80C32EBAA datasheet(54/62 Pages) PHILIPS

54 / 62 page

Philips Semiconductors

Product specification

80C52/80C54/80C58

CMOS single-chip 8-bit microcontrollers

1996 Aug 16

VCC–0.5

0.45V

0.2VCC+0.9

0.2VCC–0.1

NOTE:

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

Timing measurements are made at VIH min for a logic ‘1’ and VIL max for a logic ‘0’.

SU00717

Figure 18. AC Testing Input/Output

VLOAD

VLOAD+0.1V

VLOAD–0.1V

VOH–0.1V

VOL+0.1V

NOTE:

TIMING

REFERENCE

POINTS

For timing purposes, a port is no longer floating when a 100mV change from

load voltage occurs, and begins to float when a 100mV change from the loaded

VOH/VOL level occurs. IOH/IOL ≥ ±20mA.

SU00718

Figure 19. Float Waveform

SU00768

TYP ACTIVE MODE

MAX IDLE MODE

TYP IDLE MODE

MAX ACTIVE MODE

ICCMAX = 0.9 X FREQ. + 1.1

4MHz

8MHz

12MHz 16MHz

FREQ AT XTAL1

ICC

20MHz

24MHz 28MHz 32MHz 36MHz

Figure 20. ICC vs. FREQ

Valid only within frequency specifications of the device under test

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