Rainbow-electronics AT90LS2343 Manual do Utilizador descarregar pdf (Página 48)

48

AT90S/LS2323/2343

1004D–09/01

External Clock Drive Waveforms

Figure 38. Waveforms

External Clock Drive

T

A

= -40°C to 85°C

Symbol Parameter

V

CC

: 2.7V to 4.0V V

CC

: 4.0V to 6.0V

UnitsMin Max Min Max

1/t

CLCL

Oscillator Frequency 0 4.0 0 10.0 MHz

t

CLCL

Clock Period 250.0 100.0 ns

t

CHCX

High Time 100.0 40.0 ns

t

CLCX

Low Time 100.0 40.0 ns

t

CLCH

Rise Time 1.6 0.5 µs

t

CHCL

Fall Time 1.6 0.5 µs

VIL1

VIH1

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 63 64

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