AT90S1200 ATMEL Corporation, AT90S1200 Datasheet - Page 50

• Manufacturer Part Number: AT90S1200
• Description: 8-Bit Microcontroller with 1K bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

External Clock Drive
Waveforms
External Clock Drive
50
AT90S1200
Figure 37. External Clock Drive
Table 23. External Clock Drive
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
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
83.3
33.3
33.3
CC
Min
0
= 4.0V to 6.0V
Max
12.0
0.5
0.5
0838H–AVR–03/02
Units
MHz
ns
ns
ns
µs
µs