89C535 datasheet(21/35 Pages) PHILIPS

Part #	89C535

Description	CMOS single-chip 8-bit microcontrollers with FLASH program memory

PDF	35 Pages

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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21 / 35 page

Philips Semiconductors

Preliminary specification

89C535/89C536/89C538

CMOS single-chip 8-bit microcontrollers

with FLASH program memory

1997 Jun 05

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 14.

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 15.

Float Waveform

SU00886

TYP ACTIVE MODE

MAX IDLE MODE

TYP IDLE MODE

MAX ACTIVE MODE

30.00

20.00

10.00

4812

FREQ AT XTAL1 (MHz)

0.00

40.00

50.00

60.00

70.00

80.00

90.00

Figure 16.

ICC vs. FREQ Valid only within frequency specifications of the device under test

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