Datasheet
DS1673
12 of 18
ABSOLUTE MAXIMUM RATINGS
Voltage on Any Pin Relative to Ground…………………………………………………….-0.3V to +7.0V
Operating Temperature………………………………………………………………………..0°C to +70°C
Storage Temperature……………………………………………………………………….-55°C to +125°C
Soldering Temperature………………………………………………………..See J-STD-020 Specification
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the
operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of
time may affect device reliability.
RECOMMENDED DC OPERATING CONDITIONS (T
A
= 0C to +70C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
5.0V 4.5 5.0 5.5
Power Supply Voltage
3.0V
V
CC
2.7 3.0 3.3
V 1
Input Logic 1 V
IH
2.0 V
CC
+0.3 V 1
Input Logic 0 V
IL
-0.3 +0.8 V 1
Battery Voltage V
BAT
2.5 3.7 V 1
DC ELECTRICAL CHARACTERISTICS (V
CC
= 5.0V ±10%, T
A
= 0C to +70C.)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Leakage I
LI
-1 +1
A
CS Leakage I
LO
150
A
7
Logic 1 Output (I
OUT
= -0.4mA) V
OH
2.4 V 2
Logic 0 Output (I
OUT
= 1.5mA) V
OL
0.4 V 3
Active Supply Current (CS = V
CC
- 0.2) I
CCA
1.5 2.0 mA 4
A/D Converter Current I
ADC
500
A
5
Standby Current (CS = V
IL
) I
CCS
300
A
6
Battery Current (Oscillator On) I
BAT1
300 500 nA
Battery Current (Oscillator Off) I
BAT2
200 nA
Internal RST Pullup Resistor
R
P
35 47 60
k
V
CC
Trip Point V
CCTP
4.25 4.35 4.50 V
V
CC
Switchover V
CCSW
2.60 2.70 2.80 V 12
A/D Reference Voltage V
ADC
2.47 2.55 2.63 V
Pushbutton Detect PB
DV
0.8 2.0 V
Pushbutton Release PB
RD
0.3 0.8 V
Output Voltage V
CCO
V
CC
-0.3 V 11
V
CCO
Output Current (Source = V
CC
) I
CCO1
150 mA 13
V
CCO
Output Current (Source = V
BAT
) I
CCO2
150
A
14