Rainbow Electronics ATtiny2313 - Manual (Page 180)

180
ATtiny2313
2543A–AVR–08/03
External Clock Drive
Waveforms Figure 80. External Clock Drive Waveforms
External Clock Drive
Figure 81. Maximum Frequency vs. V
CC
V
IL1
V
IH1
Table 81. External Clock Drive
Symbol Parameter
V
CC
= 1.8 - 3.6V V
CC
= 2.7 - 3.6V
Units Min. Max. Min. Max.
1/t
CLCL
Oscillator Frequency 0 TBD 0 TBD MHz
t
CLCL
Clock Period TBD TBD ns
t
CHCX
High Time TBD TBD ns
t
CLCX
Low Time TBD TBD ns
t
CLCH
Rise Time TBD TBD
µ
s
t
CHCL
Fall Time TBD TBD
µ
s
∆
t
CLCL
Change in period from one clock
cycle to the next
2 2 %
16 MHz
8 MHz
2 MHz
1.8V 2.7V 4.5V 5.5V
Safe Operating
Area