Sonic Alert msm85c154hvs Clock Radio 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)
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
—2040 kW
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 2.21 MHz
1.8 2.4 4.33 MHz
8.0 12.012 MHz
16.016 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 0.81 MHz
0.5 0.8 1.23 MHz
2.0 3.112 MHz
3.816 MHz
Maximum power supply current idle mode I
CC
(mA)