at89s8253-24psu ATMEL Corporation, at89s8253-24psu Datasheet - Page 49

• Manufacturer Part Number: at89s8253-24psu
• Description: At89s8253 8-bit Microcontroller With 12k Bytes Flash And 2k Bytes Eeprom
• Manufacturer: ATMEL Corporation

34. External Data Memory Write Cycle
35. External Clock Drive Waveforms
36. External Clock Drive
3286K–MICRO–12/06
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
41.6
Min
12
12
0
V
CC
= 2.7V to 5.5V
Max
24
5
5
AT89S8253
Units
MHz
ns
ns
ns
ns
ns
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