C868 Datasheet, PDF (78/82 Pages) Infineon Technologies AG – 8-Bit Single-Chip Microcontroller

C868
AC Characteristics
(Operating Condition Apply)
External Clock Drive Characteristics
Parameter
Symbol
Limit Values
Unit
Variable Ext Clock
6.67 to 10.67 MHz
min
max
Oscillating period
t_OSC
93.75
150
ns
High time
t₁
46.875
75
ns
Low time
t₂
46.875
75
ns
Rise time
t_R
-
10
ns
Fall time
t_F
-
10
ns
ALE Characteristics
Parameter
ALE pulse width
ALE period
Symbol
t_AWD
t_ACY
Limit Values
Unit
System freq = 6.25MHz to 40MHz
Duty Cycle 0.5
min
max
50
320
ns
150
960
ns
Data Sheet
78
V 1.0, 2003-05