C504 Datasheet, PDF (48/49 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

C504
ROM Verification Mode 2
Parameter
ALE pulse width
ALE period
Data valid after ALE
Data stable after ALE
P3.5 setup to ALE low
Oscillator frequency
Symbol
t_AWD
t_ACY
t_DVA
t_DSA
t_AS
1/t_CLCL
min.
–
–
–
8 t_CLCL
–
4
Limit Values
typ
max.
2 t_CLCL
12 t_CLCL
–
–
–
–
4 t_CLCL
–
t_CLCL
–
–
6
Unit
ns
ns
ns
ns
ns
MHz
Figure 20
ROM Verification Mode 2
Semiconductor Group
48