DS1339U-2 Maxim Integrated Products, DS1339U-2 Datasheet - Page 3

• Manufacturer Part Number: DS1339U-2
• Description: Real Time Clock I2C-Compatible Real- Time Clock I2C SOIC
• Manufacturer: Maxim Integrated Products

Specifications of DS1339U-2

• Function: Clock, Calendar, Alarm, Trickle Charger
• Supply Voltage (max): 2.2 V
• Supply Voltage (min): 1.8 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial
• Package / Case: uSOP
• Time Format: HH:MM:SS

DC ELECTRICAL CHARACTERISTICS (continued)
(V
DC ELECTRICAL CHARACTERISTICS
(V
Trickle-Charger Resistor Register
10h = A5h, V
Trickle-Charger Resistor Register
10h = A6h, V
Trickle-Charger Resistor Register
10h = A7h, V
V
V
V
V
CC
CC
BACKUP
BACKUP
BACKUP
BACKUP
= MIN to MAX, T
= 0V, T
Leakage Current
Current EOSC = 0, SQW Off
Current EOSC = 0, SQW On
Current EOSC = 1
A
PARAMETER
PARAMETER
= -40°C to +85°C.) (Note 1)
CC
CC
CC
= Typ, V
= Typ, V
= Typ, V
A
= -40°C to +85°C.) (Note 1)
BACKUP
BACKUP
BACKUP
= 0V
= 0V
= 0V
SYMBOL
SYMBOL
I
I
I
BKSQW
I
BKOSC
BKLKG
BKDR
R1
R2
R3
3 of 20
(Note 6)
(Note 7)
(Note 7)
CONDITIONS
CONDITIONS
MIN
MIN
DS1339 I
2000
4000
TYP
TYP
250
400
600
2
25
10
C Serial Real-Time Clock
MAX
MAX
1000
100
700
100
UNITS
UNITS
nA
nA
nA
nA


