MC68HC908JL8 MOTOROLA [Motorola, Inc], MC68HC908JL8 Datasheet - Page 274

• Manufacturer Part Number: MC68HC908JL8
• Description: Motorola reserves the right to make changes without further notice to any products herein
• Manufacturer: MOTOROLA [Motorola, Inc]

Electrical Specifications
19.10 3V Control Timing
Technical Data
274
NOTES:
NOTES:
Pullup resistors
Low-voltage inhibit, trip voltage
(No hysteresis implemented for 3V LVI)
1. V
2. Typical values reflect average measurements at midpoint of voltage range, 25 °C only.
3. Run (operating) I
4. Wait I
5. Stop I
6. Maximum is highest voltage that POR is guaranteed.
7. If minimum V
8. R
Internal operating frequency
RST input pulse width low
TIM2 external clock input
1. V
2. Some modules may require a minimum frequency greater than dc for proper operation; see appropriate table for this
3. Minimum pulse width reset is guaranteed to be recognized. It is possible for a smaller pulse width to cause a reset.
PTD6, PTD7
RST, IRQ, PTA0–PTA7
Less than 100 pF on all outputs. C
run I
100 pF on all outputs. C
V
noted.
information.
DD
PU1
DD
DD
DD
= 2.7 to 3.3 Vdc, V
is reached.
= 2.7 to 3.3 Vdc, V
DD
and R
DD
. Measured with all modules enabled.
measured using external square wave clock source (f
measured with OSC1 grounded; no port pins sourcing current. LVI is disabled.
PU2
DD
(8)
are measured at V
is not reached before the internal POR reset is released, RST must be driven low externally until minimum
DD
Characteristic
measured using external square wave clock source (f
Characteristic
SS
SS
L
= 20 pF on OSC2. All ports configured as inputs. OSC2 capacitance linearly affects wait I
(3)
= 0 Vdc, T
= 0 Vdc, T
Table 19-7. DC Electrical Characteristics (3V)
(2)
Freescale Semiconductor, Inc.
(1)
For More Information On This Product,
DD
L
A
= 20 pF on OSC2. All ports configured as inputs. OSC2 capacitance linearly affects
A
Table 19-8. Control Timing (3V)
= 5.0V.
= T
= T
(1)
L
L
to T
to T
Go to: www.freescale.com
Electrical Specifications
H
H
, unless otherwise noted.
; timing shown with respect to 20% V
Symbol
OP
R
R
V
PU1
PU2
LVI3
= 4MHz). All inputs 0.2V from rail. No dc loads. Less than
Symbol
f
T2CLK
OP
t
f
OP
IRL
= 4MHz). All inputs 0.2V from rail. No dc loads.
Min
2.18
1.8
16
Min
DD
1.5
—
—
and 70% V
Typ
2.49
3.3
MC68HC908JL8
26
(2)
Max
DD
—
4
2
, unless otherwise
Max
2.68
4.8
36
MOTOROLA
—
MHz
MHz
Unit
Rev. 2.0
µ s
DD
Unit
k Ω
k Ω
.
V