DS1302 Maxim Integrated Products, DS1302 Datasheet - Page 3

• 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

Figure 1. Block Diagram
TYPICAL OPERATING CHARACTERISTICS
(V
I/O
SCLK
v
v
GND
CC
CE
CC1
CC2
= 3.3V, T
400
350
300
250
200
150
100
INPUT SHIFT
REGISTERS
A
CONTROL
POWER
2.0
= +25°C, unless otherwise noted.)
I
3.0
CC1T
vs. V
V
CC1
CC1T
(V)
CONTROL LOGIC
DS1302
COMMAND AND
4.0
5.0
X2
3 of 13
REAL TIME
31 X 8 RAM
CLOCK
C
L
1Hz
C
L
X1
30
25
20
15
10
5
2.0
3.0
I
CC2T
vs. V
V
CC2
(V)
CC2T
4.0
5.0