Sonic Alert msm85c154hvs User Manual
ELECTRICAL CHARACTERISTICS
219
DC Characteristics 2
—
Output High Voltage
V
OH1
I
OH
=–20
mA
0.75 V
CC
—
V
(PORT 0, ALE,
PSEN)
–40
Logical 0 Input Current/
Logical 1 Output Current/
(PORT 1, 2, 3)
Logical 1 Output Current/
(PORT 1, 2, 3)
I
IL
/ I
OH
V
I
=0.1 V
–5
—
mA
V
O
=0.1 V
–300
Logical 1 to 0 Transition
I
TL
V
I
=1.9 V
—
—
mA
Output Current (PORT 1, 2, 3)
125
RESET Pull-down Resistance
R
RST
—
20
40
k
W
10
Pin Capacitance
C
IO
Ta=25°C, f=1 MHz
—
—
pF
(except XTAL1)
10
Power Down Current
I
PD
—
—
1
mA
2
2
4
3
±10
Input Leakage Current
I
LI
V
SS
< V
I
< V
CC
—
—
mA
(PORT 0 floating,
EA)
—
Meas-
uring
circuit
0.25 V
CC
–0.1
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Input Low Voltage
V
IL
—
–0.5
—
V
V
CC
+0.5
Input High Voltage
V
IH
Except XTAL1,
EA,
0.25 V
CC
+0.9
—
V
and RESET
V
CC
+0.5
Input High Voltage
V
IH1
XTAL1, RESET, and
EA 0.6 V
CC
+0.6
—
V
0.1
Output Low Voltage
V
OL
I
OL
=10
mA
—
—
V
(PORT 1, 2, 3)
0.1
Output Low Voltage
V
OL1
I
OL
=20
mA
—
—
V
(PORT 0, ALE,
PSEN)
—
Output High Voltage
V
OH
I
OH
=–5
mA
0.75 V
CC
—
V
(PORT 1, 2, 3)
1
(V
CC
=2.2 to 4.0 V, V
SS
=0 V, Ta=-40 to +85°C)
V
CC
2.2 V
3.0 V
4.0 V
Freq
0.9
1.4
2.2
1 MHz
1.8
2.4
4.3
3 MHz
—
8.0
12.0
12 MHz
—
—
16.0
16 MHz
Maximum power supply current normal operation I
CC
(mA)
V
CC
2.2 V
3.0 V
4.0 V
Freq
0.3
0.5
0.8
1 MHz
0.5
0.8
1.2
3 MHz
—
2.0
3.1
12 MHz
—
—
3.8
16 MHz
Maximum power supply current idle mode I
CC
(mA)