MC908QL4 FREESCALE [Freescale Semiconductor, Inc], MC908QL4 Datasheet - Page 207

• Manufacturer Part Number: MC908QL4
• Description: M68HC08 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

17.7 5-V Control Timing
17.8 3.3-V DC Electrical Characteristics
Freescale Semiconductor
Internal operating frequency
Internal clock period (1/f
RST input pulse width low
IRQ interrupt pulse width low (edge-triggered)
IRQ interrupt pulse period
Output high voltage
Maximum combined I
Output low voltage
Maximum combined I
Input high voltage
Input low voltage
1. V
2. Values are based on characterization results, not tested in production.
3. The minimum period is the number of cycles it takes to execute the interrupt service routine plus 1 t
I
I
I
I
I
I
PTA0–PTA5, PTB0–PTB7
PTA0–PTA5, PTB0–PTB7
Load
Load
Load
Load
Load
Load
noted.
DD
= –0.6 mA, all I/O pins
= –4.0 mA, all I/O pins
= –10.0 mA, PTA0, PTA1, PTA3–PTA5 only
= 0.5 mA, all I/O pins
= 6.0 mA, all I/O pins
= 10.0 mA, PTA0, PTA1, PTA3–PTA5 only
= 4.5 to 5.5 Vdc, V
Characteristic
RST
OH
OL
IRQ
OP
(all I/O pins)
(all I/O pins)
Characteristic
(2)
(2)
SS
)
= 0 Vdc, T
(1)
A
Figure 17-3. RST and IRQ Timing
(1)
= T
MC68HC908QL4 Data Sheet, Rev. 7
L
(2)
to T
H
t
t
ILIH
RL
; timing shown with respect to 20% V
Symbol
t
ILIL
I
I
V
V
OHT
OHL
V
V
OH
OL
IH
IL
Symbol
(f
0.7 x V
t
t
t
V
V
V
f
BUS
t
ILIH
ILIL
OP
cyc
RL
DD
DD
DD
Min
V
—
—
—
—
—
)
SS
–0.3
–1.0
–0.8
DD
Note
DD
Min
125
100
100
—
Typ
and 70% V
(3)
—
—
—
—
—
—
—
—
—
—
(2)
— Continued on next page
0.3 x V
cyc
SS
Max
—
—
—
—
Max
V
8
5-V Control Timing
.
0.3
1.0
0.8
, unless otherwise
50
50
—
—
—
DD
DD
MHz
Unit
t
ns
ns
ns
Unit
cyc
mA
mA
V
V
V
V
207