Sonic Alert msm80154s Clock Radio User Manual


 
MSM80C154/83C154/85C154
216
6. ELECTRICAL CHARACTERISTICS
6.1 Absolute Maximum Ratings
Parameter
Supply voltage
Input voltage
Storage
temperature
Symbol
V
CC
V
I
T
stg
Ta=25°C
Ta=25°C
Conditions
–0.5~7
–0.5~V
CC
+0.5
–55~+150
Rating
V
V
°C
Unit
6.2 Operational Ranges
Parameter
Supply voltage
Memory hold
Ambient
temperature
Symbol
V
CC
VCC
Ta
See below
Conditions
2.0~6
2~6
–40~+85
*2
Rating
V
V
°C
Unit
voltage
Oscillation
f
OSC See below 1~24
*1
MHz
frequency
External clock
f
EXTCLK See below 0~24 MHz
operating frequency
f
OSC
= 0 Hz
(Oscillation stop)
*1 Dpends on the specifications for the oscillator or ceramic resonator.
The MSM85C154HVS is guaranteed for operation at frequencies of up to 22 MHz.
*2 The MSM85C154HVS is guaranteed for operation at ordinary temperatures.
12
5
4
3
2
1
0.5
23456
Supply Voltage V
CC
(V)
12
6
3
1
2.2
0.6
24
20
t
cy
(ms)
f
OSC
f
EXTCLK
(MHz)