
MC97F6108A User’s manual
20. Electrical characteristics
225
20.11
AC characteristics
Table 48. AC Characteristics
(T
A
= -40°C ~ +85°C, VDD= 2.7V ~ 5.5V)
Parameter
Symbol
Conditions
MIN
TYP
MAX Unit
Operating frequency
fMCP
-
2
-
16
MHz
System clock cycle time
tSYS
-
500
-
62.5
ns
Oscillation stabilization time
(16MHz)
tMST1
-
-
-
8
ms
External interrupt input width tIW
INT0~INTx
2
-
-
tSYS
External interrupt transition
time
tFI, tRI
INT0~INTx
1
us
RESETB input pulse “L” width
tRST
nRESET
8
-
-
us
External counter input “H” or
“L” pulse width
tECW
EC0~ECx
2
-
-
tSYS
Event counter transition time tREC,
tFEC
EC0~ECx
-
-
20
ns
Figure 108. AC Timing
EC0
0.8VDD
0.2VDD
tIW
tIW
tRST
0.2VDD
0.8VDD
0.2VDD
tECW
tECW
EINT0
EINT1
EINT2
RESETB
tREC
tFEC
EC1
tFI
tRI