SAB80C517 Datasheet, PDF (56/61 Pages) Siemens Semiconductor Group – 8-Bit CMOS Single-Chip Microcontroller

SAB 80C517/80C537
AC Characteristics (cont'd)
Parameter
Symbol
Limit Values
Variable Clock
Frequ. = 3.5 MHz to 12 MHz
min
max.
External Clock Drive
Oscillator period
Oscillator frequency
High time
Low time
Rise time
Fall time
t_CLCL
1/t_CLCL
t_CHCX
t_CLCX
t_CLCH
t _CHCL
83.3
3.5
20
20
–
–
AC Characteristics (cont'd)
Parameter
Symbol
285
12
–
–
20
20
Limit Values
Variable Clock
Frequ. = 1 MHz to 16 MHz
min
max.
External Clock Drive
Oscillator period
t_CLCL
62.5
285
Oscillator frequency
1/t_CLCL 3.5
16
High time
t_CHCX
25
–
Low time
t_CLCX
25
–
Rise time
t_CLCH
–
20
Fall time
t _CHCL
–
20
Unit
ns
MHz
ns
ns
ns
ns
Unit
ns
MHz
ns
ns
ns
ns
Semiconductor Group
55