AT83C5111 datasheet(80/86 Pages) ATMEL

80 / 86 page

AT8xC5111

4190A–8051–11/02

A/D Converter

Notes:

1. For 10 bits resolution

AC Testing Input/Output

Waveforms

Figure 8. 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”.

Figure 9. Float Waveforms

For timing purposes as port pin is no longer float ing when a 100 mV change from load

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

OH/VOL level

occurs. I

OL/IOH ≥ ± 20mA.

Clock Waveforms

Valid in normal clock mode. In X2 mode XTAL2 signal must be changed to XTAL2

divided by two.

Symbol

Parameter

Min

Typ

Max

Units

TConv

Conversion time

Clock periods (1 for

sampling, 10 for

conversion)

TSetup

Setup time

µs

FConv_Ck

Clock Conversion frequency

1100

(1)

kHz

Sampling frequency

100

kHz

0.45V

CC-0.5V

0.2V

CC+0.9

0.2V

CC-0.1

INPUT/OUTPUT

OL+0.1 V

OH-0.1 V

FLOAT

LOAD

LOAD+0.1 V

LOAD-0.1 V

AT83C5111 데이터시트(PDF) 80 Page - ATMEL Corporation

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