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DS1646-120 Datasheet, PDF (7/13 Pages) Maxim Integrated Products – Nonvolatile Timekeeping RAM
DS1646/DS1646P
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +6.0V
Storage Temperature Range
EDIP..........………………………………….........................................……………-40°C to +85°C
PowerCap......…………………………………....................................……………-55°C to +125°C
Lead Temperature (soldering, 10s) ……........................................................................................... +260°C
Note: EDIP is wave or hand soldered only.
Soldering Temperature (reflow, PowerCap) ..................................................................................... +260°C
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
Commercial
0°C to +70°C, Noncondensing
VCC
5V ±10%
RECOMMENDED DC OPERATING CONDITIONS (Over the Operating Range)
PARAMETER
SYMBOL MIN TYP MAX UNITS NOTES
Supply Voltage
VCC
4.5 5.0
5.5
V
1
Logic 1 Voltage All Inputs
Logic 0 Voltage All Inputs
VIH
2.2
VIL
-0.3
VCC+0.3 V
0.8
V
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Average VCC Power Supply Current
ICC1
TTL Standby Current ( CE =VIH)
ICC2
CMOS Standby Current
( CE =VCC-0.2V)
ICC3
Input Leakage Current (Any Input)
IIL
Output Leakage Current
IOL
Output Logic 1 Voltage
(IOUT = -1.0 mA)
VOH
Output Logic 0 Voltage
(IOUT = +2.1 mA)
VOL
Power-Fail Voltage
VPF
MIN
-1
-1
2.4
4.0
(Over the Operating Range)
TYP MAX UNITS NOTES
85
mA
2, 3
3
6
mA
2, 3
2
4.0
mA
2, 3
+1
µA
+1
µA
V
0.4
V
4.25 4.5
V
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