C509-L_97 SIEMENS [Siemens Semiconductor Group], C509-L_97 Datasheet - Page 279

• Manufacturer Part Number: C509-L_97
• 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 0.45 to 0.55.
Symbol
CLP
TCL
TCL
t
t
DC
TCL
R
F
H
L
Duty cycle 0.45 to 0.55
min.
62.5
25
25
–
–
0.45
25
CPU Clock = 16 MHz
11-9
max.
62.5
–
–
10
10
0.55
37.5
min.
62.5
25
25
–
–
25 / CLP
CLP * DC
1/CLP = 3.5 to 16 MHz
Variable CPU Clock
Device Specifications
min
max.
285
CLP-TCL
CLP-TCL
10
10
1 - 25 / CLP
CLP * DC
1997-10-01
L
H
max
C509-L
Unit
ns
ns
ns
ns
ns
–
ns