SAB80C515A-5 Datasheet, PDF (103/108 Pages) Siemens Semiconductor Group – 8-Bit CMOS Single-Chip Microcontroller Family

SAB 80C515A/83C515A-5
AC Characteristics (cont'd)
Parameter
Symbol
Limit values
Variable clock
Frequ. = 3.5 MHz to 18 MHz
min.
max.
External Clock Drive
Oscillator period
High time
Low time
Rise time
Fall time
Oscillator frequency
t_CLCL
t_CHCX
t_CLCX
t_CLCH
t_CHCL
1/t_CLC
55.6
20
20
–
–
3.5
285
t_CLCL-t_CLCX
t_CLCL-t_CHCX
20
20
18
Unit
ns
ns
ns
ns
ns
MHz
External Clock Cycle
Semiconductor Group
6-51