saf-xc888cm-8ffi5v Infineon Technologies Corporation, saf-xc888cm-8ffi5v Datasheet - Page 136

• Manufacturer Part Number: saf-xc888cm-8ffi5v
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Infineon Technologies Corporation

4.3.5
Table 48
These timing parameters are based on the direct XTAL1 drive of clock input signals.
They are not applicable if an external crystal or ceramic resonator is considered.
Table 48
Parameter
Oscillator period
High time
Low time
Rise time
Fall time
1) The clock input signals with 45-55% duty cycle are used.
2) Not all parameters are 100% tested, but are verified by design/characterization and test correlation.
3) The clock input signal must reach the defined levels
Figure 45
Data Sheet
0.5 V
DDC
shows the parameters that define the external clock supply for XC886/888.
External Clock Drive XTAL1
External Clock Drive Characteristics (Operating Conditions apply)
External Clock Drive XTAL1
t
1
Symbol
t
t
t
t
t
osc
1
2
3
4
t
OSC
SR 83.3
SR 25
SR 25
SR -
SR -
Min.
t
2
129
V
Limit Values
ILX
and
t
V
3
Max.
250
-
-
20
20
IHX
.
Unit Test Conditions
ns
ns
ns
ns
ns
Electrical Parameters
t
1)2)
3)3)
3)2)
3)2)
3)2)
4
XC886/888CLM
V1.1, 2009-01
V
V
IHX
ILX