DS1744-70+ Dallas Semiconductor, DS1744-70+ Datasheet - Page 8

• Manufacturer Part Number: DS1744-70+
• Description: Nonvolatile timekeeping RAM, with Crystal, Power-Fail & Lithium Battery, DIP-28
• Manufacturer: Dallas Semiconductor

Specifications of DS1744-70+

• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………..…….…..……………..-0.3V to +6.0V
Operating Temperature Range………………...…………………………..-40°C to +85°C (noncondensing)
Storage Temperature Range……………………………………………….-40°C to +85°C (noncondensing)
Soldering Temperature………………………….See IPC/JEDEC J-STD-020 Specification (EDIP, Note 7)
This is a stress rating only and functional operation of the device at these or any other condition beyond those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect
reliability.
OPERATING RANGE
RECOMMENDED DC OPERATING CONDITIONS
(T
Logic 1 Voltage (All Inputs)
V
V
Logic 0 Voltage (All Inputs)
V
V
DC ELECTRICAL CHARACTERISTICS
(V
Active Supply Current
TTL Standby Current
( CE = V
CMOS Standby Current
( CE ≥ V
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
CC
CC
CC
OUT
OUT
A
CC
= Over the operating range)
= 5V ±10%
= 3.3V ±10%
= 5V ±10%
= 3.3V ±10%
= 5.0V ±10%, T
= -1.0mA)
= +2.1mA)
PARAMETER
Commercial
PARAMETER
IH
CC
Industrial
RANGE
)
- 0.2V)
A
= Over the operating range.)
-40°C to +85°C, Noncondesnsing
0°C to +70°C, Noncondensing
SYMBOL
SYMBOL
V
V
V
I
Icc
V
I
I
I
V
V
CC1
V
V
CC
OL
IL
OH
OL
SO
PF
IH
IH
IL
IL
2
TEMP RANGE
8 of 20
MIN
4.25
2.4
MIN
-1
-1
-0.3
2.2
2.0
0.3
TYP
V
TYP
BAT
V
V
CC
CC
MAX
MAX
0.8
0.6
+ 0.3V
+ 0.3V
4.50
0.4
+1
+1
3.3V ±10% or 5V±10%
3.3V ±10% or 5V±10%
75
6
4
UNITS
UNITS
V
mA
mA
mA
µA
µA
V
V
V
V
V
CC
NOTES
NOTES
2, 3
2, 3
2, 3
1, 4
1
1
1
1
1