TS80C31X2-VLED datasheet(39/42 Pages) ATMEL

Part #	TS80C31X2-VLED

Description	8-bit CMOS Microcontroller ROMless

PDF	42 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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39 / 42 page

Rev. C - 15 January, 2001

TS80C31X2

7.5.9 External Clock Drive Characteristics (XTAL1)

7.5.10 External Clock Drive Waveforms

Figure 18. External Clock Drive Waveforms

7.5.11 AC Testing Input/Output Waveforms

Figure 19. AC Testing Input/Output Waveforms

AC inputs during testing are driven at VCC - 0.5 for a logic “1” and 0.45V for a logic “0”. Timing measurement

are made at VIH min for a logic “1” and VIL max for a logic “0”.

7.5.12 Float Waveforms

Figure 20. Float Waveforms

Table 27. AC Parameters

Symbol

Parameter

Min

Max

Units

TCLCL

Oscillator Period

TCHCX

High Time

TCLCX

Low Time

TCLCH

Rise Time

TCHCL

Fall Time

TCHCX/TCLCX

Cyclic ratio in X2 mode

VCC-0.5 V

0.45 V

0.7VCC

0.2VCC-0.1 V

TCHCL

TCLCX

TCLCL

TCLCH

TCHCX

0.45 V

VCC-0.5 V

0.2VCC+0.9

0.2VCC-0.1

INPUT/OUTPUT

VOL+0.1 V

VOH-0.1 V

FLOAT

VLOAD

VLOAD+0.1 V

VLOAD-0.1 V

TS80C31X2-VLED Datasheet(PDF) 39 Page - ATMEL Corporation

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