Datasheet

MC68HC908LJ24/LK24 — Rev. 2.1 Data Sheet
Freescale Semiconductor 461
A.5 Electrical Specifications
Electrical specifications for the MC68HC908LJ24 apply to the
MC68HC908LK24, except for the parameters indicated below.
A.5.1 5V DC Electrical Characteristics
A.5.2 3.3V DC Electrical Characteristics
Table A-1. 5V DC Electrical Characteristics
Characteristic
(1)
Notes:
1. V
DD
= 4.5 to 5.5 Vdc, V
SS
= 0 Vdc, T
A
= T
L
to T
H
, unless otherwise noted.
Symbol Min Typ
(2)
2. Typical values reflect average measurements at midpoint of voltage range, 25 °C only.
Max Unit
V
DD
supply current
Stop, f
OP
= 8 kHz
(3)
with OSC, RTC on
3. The 8kHz clock is from a 32kHz external square wave clock input at OSC1, for the driving the RTC. Due to loading effects,
the I
DD
values will be larger when a 32kHz crystal circuit is connected.
I
DD
—5.5
7.5
µA
Low-voltage inhibit, trip rising voltage
LVI reset disabled (LVIRSTD = 1)
LVI reset enabled (LVIRSTD = 0)
V
TRIPR
3.7
3.62
—
—
4.7
4.62
V
V
Table A-2. 3.3V DC Electrical Characteristics
Characteristic
(1)
Notes:
1. V
DD
= 3.0 to 3.6 Vdc, V
SS
= 0 Vdc, T
A
= T
L
to T
H
, unless otherwise noted.
Symbol Min Typ
(2)
2. Typical values reflect average measurements at midpoint of voltage range, 25 °C only.
Max Unit
Low-voltage inhibit, trip rising voltage
LVI disabled (LVIRSTD = 1)
LVI enabled (LVIRSTD = 0)
V
TRIPR
2.2
2.12
—
—
2.9
2.82
V
V