at89c4051-12sa ATMEL Corporation, at89c4051-12sa Datasheet - Page 11

• Manufacturer Part Number: at89c4051-12sa
• Description: 8-bit Microcontroller With 4k Bytes Flash
• Manufacturer: ATMEL Corporation

External Clock Drive Waveforms
External Clock Drive
11
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
CLCL
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
AT89C4051
83.3
Min
30
30
0
V
CC
= 3.0V to 6.0V
Max
12
20
20
41.6
Min
15
15
0
V
CC
= 4.0V to 6.0V
Max
24
20
20
Units
MHz
ns
ns
ns
ns
ns