SAB80C515A-5 Datasheet, PDF (104/108 Pages) Siemens Semiconductor Group – 8-Bit CMOS Single-Chip Microcontroller Family

SAB 80C515A/83C515A-5
AC Characteristics (cont’d)
Parameter
Symbol
Limit values
Unit
18 MHz clock
Variable clock
1/t _CLCL = 3.5 MHz to 18 MHz
min. max.
min.
max.
System Clock Timing
ALE to CLKOUT
t_LLSH
349 –
7 t_CLCL – 40 –
ns
CLKOUT high time
t_SHSL
71
–
2 t_CLCL – 40 –
ns
CLKOUT low time
t_SLSH
516 –
10 t_CLCL – 40 –
ns
CLKOUT low to ALE
t_SLLH
16
96
t_CLCL – 40
t_CLCL + 40
ns
high
System Clock Timing
Semiconductor Group
6-52