DS1742 Maxim, DS1742 Datasheet - Page 7

• Manufacturer Part Number: DS1742
• Description: The DS1742 is a full-function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) and 2k x 8 nonvolatile static RAM
• Manufacturer: Maxim

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)..……………………..+260C 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
RECOMMENDED DC OPERATING CONDITIONS
(Over the operating range)
DC ELECTRICAL CHARACTERISTICS
(V
Logic 1
Voltage
(All Inputs)
Logic 0
Voltage
(All Inputs)
Active Supply Current
TTL Standby Current (
V
CMOS Standby Current
(
Input Leakage Current
(Any Input)
Output Leakage Current
(Any Output)
Output Logic 1 Voltage
(I
Output Logic 0 Voltage
(I
Write Protection Voltage
Battery Switchover Voltage
CC
CE
OUT
OUT
IH
)
= 5.0V 10%, Over the operating range.)
 V
= -1.0mA)
= +2.1mA)
Commercial
CC
PARAMETER
PARAMETER
Industrial
RANGE
- 0.2V)
V
V
±10%
V
V
±10%
CC
CC
CC
CC
= 5V ±10%
= 3.3V
= 5V ±10%
= 3.3V
CE
=
-40°C to +85°C (noncondensing)
0°C to +70°C (noncondensing)
SYMBOL
SYMBOL
I
I
V
V
V
V
V
V
V
V
I
I
TEMPERATURE
CC1
CC2
I
CC
OL
OH
IL
OL
SO
PF
IH
IH
IL
IL
7 of 16
4.25
MIN
MIN
-0.3
-0.3
2.2
2.0
2.4
-1
-1
TYP
TYP
V
15
BAT
1
1
V
V
CC
CC
MAX
4.50
MAX
+0.8
+0.6
0.4
3.3V 10% or 5V 10%
3.3V ±10% or 5V ±10%
50
+1
+1
+ 0.3V
+ 0.3V
3
3
UNITS
UNITS NOTES
mA
mA
mA
V
V
A
A
CC
V
V
V
V
NOTES
2, 3
2, 3
2, 3
1, 4
DS1742
1
1
1
1
1
1
1