DS1685 Maxim, DS1685 Datasheet - Page 24
DS1685
Manufacturer Part Number
DS1685
Description
The DS1685/DS1687 are real-time clocks (RTCs) designed as successors to the industry-standard DS1285,DS1385, DS1485, and DS1585 PC RTCs
Manufacturer
Maxim
Datasheet
1.DS1685.pdf
(34 pages)
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ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground………………………………………………………………….0.3V to +6V
Operating Temperature Range, Commercial ...……………………………………………………………….0°C to +70°C
Operating Temperature Range, Industrial…………………………………………………………………...-40C to +85C
Storage Temperature Range
Lead Temperature (soldering, 10s)……….....………………………..........................……………………………..+260°C
Soldering Temperature (reflow)…………………………………………………...................................………...…+260°C
This is a stress rating only and functional operation of the device at these or any other conditions 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.
RECOMMENDED DC OPERATING CONDITIONS
(T
Power-Supply
Voltage
Input Logic 1
Pullup Voltage
Input Logic 0
Battery Voltage
Auxiliary Battery
Voltage
EDIP………………………………....……………………………………………………………………….-40°C to +85°C
PDIP, SO, TSSOP……………………………….…………………………………....………………….-55°C to +125°C
(Note: EDIP is hand or wave-soldered only.)
A
= 0°C to +70°C, T
PARAMETER
A
= -40C to +85C.)
PWR
IRQ
(-5)
(-3)
(-5)
(-3)
SYMBOL
V
V
V
PUPWR
V
V
V
BAUX
BAT
CC
IH
IL
24 of 34
MIN
-0.3
4.5
2.7
2.2
2.5
2.5
2.5
TYP
5.0
3.0
DS1685/DS1687 3V/5V Real-Time Clocks
V
V
CC
CC
MAX
5.5
3.7
5.5
0.6
3.7
5.2
3.7
+ 0.3
+ 0.2
UNITS
V
V
V
V
V
V
NOTES
1
1
1
1
1
1