MC68HC05E0 Datasheet, PDF (80/96 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit

9.5
AC Electrical Characteristics
(VDD = 5.0V dc ± 10%, VSS = 0 Vdc, TA= 0 to 70^οC)
Table 9-4 AC Electrical Characteristics (5V)
Characteristic
Frequency of Operation
Crystal
External Clock
Internal Operating Frequency
Crystal (f osc ÷ 2)
External Clock (f _osc ÷ 2)
Cycle Time
Crystal Oscillator Startup Time
STOP Recovery Startup Time (Crystal Oscillator)
RESET Pulse Width
Interrupt Pulse Width Low (Edge-Triggered)
Interrupt Pulse Period
9
OSC1 Pulse Width
Symbol Min
Max
Unit
f_osc
–
8.0
MHz
fosc
dc
8.0
MHz
P02
–
P02
dc
4.0
MHz
4.0
MHz
tcyc
250
–
ns
t_OXOV
–
100
ms
t _ILCH
–
100
ms
tRL
1.5
–
t cyc
t _ILIH
125
–
ns
t ILIL
*
–
t cyc
t_OH, t_OL
55
–
ns
* The minimum period t _ILIL should not lbe less than the number of cycle times it takes to
execute the interrupt service routine plus 21 t _cyc.
MOTOROLA
9-4
ELECTRICAL SPECIFICATIONS
MC68HC05E0