DS1644-120+ Dallas Semiconductor, DS1644-120+ Datasheet - Page 7

• Manufacturer Part Number: DS1644-120+
• Description: Clock, Real Time, 32KBx8 Nonvolatile SRAM, EDIP28
• Manufacturer: Dallas Semiconductor

Specifications of DS1644-120+

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

ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +7.0V
Storage Temperature……………………………………………………...-40°C to +85°C, Noncondensing
Soldering Temperature……………………………..…+260°C for 10 seconds (DIP Package) (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
PARAMETER
Supply Voltage
Logic 1 Voltage All Inputs
Logic 0 Voltage All Inputs
PARAMETER
Average V
TTL Standby Current (
CMOS Standby Current (
0.2V)
Input Leakage Current (any input)
Output Leakage Current
Output Logic 1 Voltage
(I
Output Logic 0 Voltage
(I
Power-Fail Voltage
OUT
OUT
Commercial
RANGE
= -1.0 mA)
= +2.1 mA)
CC
Power Supply Current
0°C to +70°C, Noncondensing
CE
CE
=V
TEMPERATURE
=V
IH
)
CC
-
See IPC/JEDEC Standard J-STD-020A for Surface-Mount Devices
SYMBOL
SYMBOL
V
V
V
I
I
I
V
V
V
I
I
CC1
CC2
CC3
OL
IL
CC
OH
OL
PF
IH
IL
7 of 13
MIN
MIN
-0.3
4.5
2.2
2.4
4.0
-1
-1
5V ±10%
V
CC
TYP
TYP
(Over the Operating Range)
V
MAX
MAX
CC
5.5
0.8
4.0
0.4
4.5
+1
+1
75
6
+0.3
UNITS
UNITS
mA
mA
mA
mA
mA
V
V
V
V
V
V
NOTES
NOTES
1
3
3
3