SC80C31BCYA44 datasheet(19/30 Pages) PHILIPS

Il numero della parte	SC80C31BCYA44

Spiegazioni elettronici	CMOS single-chip 8-bit microcontrollers

PDF	30 Pages

Scroll/Zoom	100%

Produttore elettronici	PHILIPS [NXP Semiconductors]

Homepage	http://www.nxp.com

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19 / 30 page

Philips Semiconductors

Product specification

80C31/80C51/87C51

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’.

SU00010

Figure 6. 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.

SU00011

Figure 7. Float Waveform

4MHz

8MHz

12MHz

16MHz

FREQ AT XTAL1

MAX ACTIVE MODE

(ICCMAX = 1.43 freq + 1.9)

TYP ACTIVE MODE

MAX IDLE MODE

TYP IDLE MODE

ICC mA

20MHz

24MHz

30MHz

33MHz

SU00012

Figure 8. ICC vs. FREQ

Valid only within frequency specifications of the device under test

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