AT89S53-33AC ATMEL [ATMEL Corporation], AT89S53-33AC Datasheet - Page 28

• Manufacturer Part Number: AT89S53-33AC
• Description: 8-bit Microcontroller with 12K Bytes Flash
• Manufacturer: ATMEL [ATMEL Corporation]

External Data Memory Write Cycle
External Clock Drive Waveforms
External Clock Drive
28
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
CLCL
AT89S53
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
41.6
Min
15
15
0
V
CC
= 4.0V to 6.0V
Max
24
20
20
0787E–MICRO–3/06
Units
MHz
ns
ns
ns
ns
ns