DS1742
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ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………..-0.3V to +6.0V
Storage Temperature Range………………………………………………………...-40°C to +85°C
Soldering Temperature (EDIP, leads)..……………………..+260C for 10 seconds (See Note 7)
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 reliability.
OPERATING RANGE
RANGE TEMPERATURE V
CC
Commercial 0°C to +70°C (noncondensing)
3.3V 10% or 5V 10%
Industrial -40°C to +85°C (noncondensing) 3.3V ±10% or 5V ±10%
RECOMMENDED DC OPERATING CONDITIONS
(Over the operating range)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
V
CC
= 5V ±10% V
IH
2.2 V
CC
+ 0.3V V 1
Logic 1
Voltage
(All Inputs)
V
CC
= 3.3V
±10%
V
IH
2.0 V
CC
+ 0.3V V 1
V
CC
= 5V ±10% V
IL
-0.3 +0.8 V 1
Logic 0
Voltage
(All Inputs)
V
CC
= 3.3V
±10%
V
IL
-0.3 +0.6 V 1
DC ELECTRICAL CHARACTERISTICS
(V
CC
= 5.0V 10%, Over the operating range.)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Active Supply Current I
CC
15 50 mA 2, 3
TTL Standby Current ( CE =
V
IH
)
I
CC1
1 3 mA 2, 3
CMOS Standby Current
(
CE V
CC
- 0.2V)
I
CC2
1 3 mA 2, 3
Input Leakage Current
(Any Input)
I
IL
-1 +1 A
Output Leakage Current
(Any Output)
I
OL
-1 +1 A
Output Logic 1 Voltage
(I
OUT
= -1.0mA)
V
OH
2.4 1
Output Logic 0 Voltage
(I
OUT
= +2.1mA)
V
OL
0.4 1
Write Protection Voltage V
PF
4.25 4.50 V 1
Battery Switchover Voltage V
SO
V
BAT
1, 4
