DS1685-5IND DALLAS [Dallas Semiconductor], DS1685-5IND Datasheet - Page 30
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DS1685-5IND
Manufacturer Part Number
DS1685-5IND
Description
3V/5V Real-Time Clocks
Manufacturer
DALLAS [Dallas Semiconductor]
Datasheet
1.DS1685-5IND.pdf
(39 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS1685-5IND+
Manufacturer:
Maxim
Quantity:
307
POWER-UP/DOWN TIMING—5V
(T
POWER-UP/DOWN TIMING—3V
(T
WARNING: Under no circumstances are negative undershoots, of any amplitude, allowed
when device is in battery-backup mode.
CAPACITANCE
(T
WAKE-UP/KICKSTART TIMING
(T
CS High to Power-Fail
Recovery at Power-Up
V
V
V
Expected Data Retention
CS High to Power-Fail
Recovery at Power-Up
V
V
Expected Data Retention
Input Capacitance on All Inputs
Except X1 and X2
Output Capacitance on IRQ,
SQW and DQ pins
Kickstart Input Pulse Width
Wake-Up/Kickstart Power On
Timeout
A
A
A
A
CC
CC
CC
CC
CC
= +25°C)
= +25°C)
= +25°C)
= +25°C)
Slew Rate Power-Down
Slew Rate Power-Down
Slew Rate Power-Up
Slew Rate Power-Down
Slew Rate Power-Up
PARAMETER
PARAMETER
PARAMETER
PARAMETER
4.5V ≥ V
2.7V ≥ V
4.0 ≤ V
3.0 ≤ V
2.5 ≤ V
SYMBOL
SYMBOL
t
t
C
KSPW
POTO
SYMBOL
SYMBOL
C
OUT
IN
t
t
t
t
t
REC
t
t
REC
CC
CC
CC
t
t
DR
t
t
DR
PF
FB
PF
F
R
CC
F
R
CC
≤ 4.5V
≤ 4.0V
≤ 2.7V
≥ 4.0V
≥ 2.5V
30 of 39
MIN
MIN
2
2
MIN
MIN
300
300
10
10
10
0
0
TYP
TYP
TYP
TYP
150
150
MAX
MAX
MAX
MAX
12
12
0
0
seconds
UNITS
UNITS
UNITS
UNITS
years
years
ms
ms
µs
pF
pF
ns
µs
µs
µs
ns
µs
µs
NOTES
NOTES
NOTES
NOTES
9, 10
9, 10
7