Rainbow Electronics AT89LS8252 - Manual (Page 28)

AT89LS8252
4-164
External Data Memory Write Cycle
External Clock Drive Waveforms
External Clock Drive
Symbol Parameter
V
CC
= 2.7V to 6.0V
Units Min Max
1/t
CLCL
Oscillator Frequency 0 12 MHz
t
CLCL
Clock Period 83.3 ns
t
CHCX
High Time 30 ns
t
CLCX
Low Time 30 ns
t
CLCH
Rise Time 20 ns
t
CHCL
Fall Time 20 ns