C505_9708 SIEMENS [Siemens Semiconductor Group], C505_9708 Datasheet - Page 212

• Manufacturer Part Number: C505_9708
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

AC Characteristics (16 MHz) for C505 (cont’d)
External Clock Drive Characteristics
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
10-8
max.
62.5
–
–
10
10
0.6
37.5
min.
62.5
25
25
–
–
25 / CLP
CLP * DC
1/CLP = 2 to 16 MHz
Variable CPU Clock
Device Specifications
min
max.
500
CLP - TCL
CLP - TCL
10
10
1 - 25 / CLP
CLP * DC
C505 / C505C
1997-08-01
max
L
H
Unit
ns
ns
ns
ns
ns
–
ns