AT90LS2343 ATMEL [ATMEL Corporation], AT90LS2343 Datasheet - Page 48

• Manufacturer Part Number: AT90LS2343
• Description: 8-Bit Microcontroller with 2K Bytes of In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

External Clock Drive Waveforms
48
AT90S/LS2323/2343
Figure 38. Waveforms
External Clock Drive
T
A
Symbol
1/t
= -40 ° C to 85 ° C
t
t
t
t
t
CHCX
CLCL
CLCX
CLCH
CHCL
CLCL
VIL1
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
VIH1
V
250.0
100.0
100.0
CC
Min
0
: 2.7V to 4.0V
Max
4.0
1.6
1.6
V
100.0
40.0
40.0
Min
CC
0
: 4.0V to 6.0V
Max
10.0
0.5
0.5
1004D–09/01
Units
MHz
ns
ns
ns
µs
µs