DS1302
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.5V to +7.0V
0°C to 70°C or - 40°C to +85°C for industrial
–55°C to +125°C
260°C for 10 seconds (DIP)
See IPC/JEDEC Standard J-STD-020A for
Surface Mount Devices
* 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.
RECOMMENDED DC OPERATING CONDITIONS
(0ºC to 70ºC or -40°C to +85°C)
PARAMETER
Supply Voltage V
CC1
, V
CC2
Logic 1 Input
Logic 0 Input
*-40°C to +85°C for industrial device.
SYMBOL
V
CC1,
V
CC2
V
IH
V
IL
V
CC
=2.0V
V
CC
=5V
MIN TYP
2.0
2.0
-0.3
–0.3
MAX
5.5
V
CC
+0.3
+0.3
+0.8
UNITS
V
V
V
NOTES
1, 11
1
1
DC ELECTRICAL CHARACTERISTICS
(0ºC to 70ºC or -40°C to +85°C; V
CC
= 2.0 to 5.5V*)
PARAMETER
Input Leakage
I/O Leakage
Logic 1 Output
Logic 0 Output
Active Supply Current
Timekeeping Current
Standby Current
Active Supply Current
Timekeeping Current
Standby Current
Trickle Charge Resistors
Trickle Charge Diode Voltage Drop
*Unless otherwise noted.
SYMBOL
I
LI
I
LO
V
OH
V
OL
I
CC1A
I
CC1T
I
CC1S
I
CC2A
I
CC2T
I
CC2S
R1
R2
R3
V
TD
9 of 14
MIN TYP
1.6
2.4
MAX
+500
+500
0.4
0.4
0.4
1.2
0.3
1
100
100
200
0.425
1.28
25.3
81
25
80
V
CC
=2.0V
V
CC
=5V
V
CC
=2.0V
V
CC
=5V
V
CC1
=2.0V
V
CC1
=5V
V
CC1
=2.0V
V
CC1
=5V
V
CC1
=2.0V
V
CC1
=5V
IND
V
CC2
=2.0V
V
CC2
=5V
V
CC2
=2.0V
V
CC2
=5V
V
CC2
=2.0V
V
CC2
=5V
UNITS NOTES
µA
6
µA
6
V
V
mA
µA
nA
mA
µA
µA
kΩ
kΩ
kΩ
V
2
3
5, 12
4, 12
10, 12,
14
5, 13
4, 13
10, 13
2
4
8
0.7
DALLAS [ DALLAS SEMICONDUCTOR ]
