DS1302 Maxim Integrated Products, DS1302 Datasheet - Page 10

• Manufacturer Part Number: DS1302
• Description: IC TIMEKEEPER T-CHARGE 8-DIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/Trickle-Chargerr

Specifications of DS1302

• Memory Size: 31B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: 3-Wire Serial
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………………………….-0.5Vto +7.0V
Operating Temperature Range, Commercial………………………………………………………………….0°C to +70°C
Operating Temperature Range, Industrial (IND)……………………………………………………………-40°C to +85°C
Storage Temperature Range……………………………………………………………………………..….-55°C to +125°C
Soldering Temperature (leads, 10 seconds)………………………………………………………………..………….260°C
Soldering Temperature (surface mount)………………………………………………..…….See IPC/JEDEC J-STD-020
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED DC OPERATING CONDITIONS
(T
DC ELECTRICAL CHARACTERISTICS
(T
Supply Voltage V
Logic 1 Input
Logic 0 Input
Input Leakage
I/O Leakage
Logic 1 Output (I
Logic 1 Output (I
Logic 0 Output (I
Logic 0 Output (I
Active Supply Current
(Oscillator Enabled)
Timekeeping Current
(Oscillator Enabled)
Standby Current (Oscillator
Disabled)
Active Supply Current
(Oscillator Enabled)
Timekeeping Current
(Oscillator Enabled)
Standby Current (Oscillator
Disabled)
Trickle-Charge Resistors
Trickle-Charge Diode Voltage
Drop
A
A
= 0°C to +70°C or T
= 0°C to +70°C or T
PARAMETER
PARAMETER
OH
OH
OL
OL
CC1
= 1.5mA)
= 4.0mA)
= -0.4mA)
= -1.0mA)
, V
A
A
CC2
= -40°C to +85°C.) (Note 1)
= -40°C to +85°C.) (Note 1)
I
I
I
I
I
I
V
V
V
V
V
CC1A
CC1T
CC1S
CC2A
CC2T
CC2S
R1
R2
R3
I
V
V
I
LO
CC1,
CC2
LI
OH
OL
TD
IH
IL
SYMBOL
SYMBOL
V
V
V
V
V
V
V
V
V
V
IND
V
V
V
V
V
V
V
V
CC
CC
CC
CC
CC1
CC1
CC1
CC1
CC1
CC1
CC2
CC2
CC2
CC2
CC2
CC2
CC
CC
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
10 of 13
(Notes 5, 13)
(Notes 5, 13)
(Note 2)
(Note 2)
CH = 0
(Notes 4, 11)
CH = 0
(Notes 3, 11,13)
CH = 1
(Notes 9, 11, 13)
CH = 0
(Notes 4, 12)
CH = 0
(Notes 3, 12)
CH = 1
(Notes 9, 12)
(Notes 2, 10)
(Note 2)
(Note 2)
CONDITIONS
CONDITIONS
MIN
MIN
-0.3
-0.3
2.0
2.0
1.6
2.4
0.45
TYP
TYP
0.2
0.7
3.3
85
85
1
1
5
2
4
8
V
0.425
MAX
MAX
+0.3
+0.8
1.28
25.3
500
500
100
100
200
5.5
0.3
0.4
0.4
0.4
1.2
0.3
CC
81
25
80
1
+
UNITS
UNITS
mA
mA
μA
μA
μA
μA
μA
kΩ
nA
V
V
V
V
V
V