SAB-C509-LM SIEMENS [Siemens Semiconductor Group], SAB-C509-LM Datasheet - Page 71

• Manufacturer Part Number: SAB-C509-LM
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

External Clock Drive XTAL2
Parameter
Oscillator period
High time
Low time
Rise time
Fall time
Oscillator duty cycle
Clock cycle
Note: The 16 MHz values in the tables are given as an example for a typical duty cycle variation of
Semiconductor Group
the oscillator clock from 0.4 to 0.6.
Symbol
CLP
TCL
TCL
t
t
DC
TCL
R
F
H
L
min.
62.5
25
25
–
–
0.4
25
CPU Clock = 16 MHz
Duty cycle 0.4 to 0.6
70
max.
–
–
10
10
37.5
62.5
0.6
min.
25
25
–
–
CLP * DC
62.5
25 / CLP
1/CLP = 3.5 to 16 MHz
Variable CPU Clock
min
max.
CLP-TCL
CLP-TCL
10
10
CLP * DC
285
1 - 25 / CLP
L
H
max
C509-L
Unit
ns
ns
ns
ns
ns
ns
–