MAX6909EO33 Maxim Integrated, MAX6909EO33 Datasheet - Page 2

• Manufacturer Part Number: MAX6909EO33
• Description: Real Time Clock
• Manufacturer: Maxim Integrated
• Series: MAX6909, MAX6910r

Specifications of MAX6909EO33

• Function: Clock, Calendar, Watchdog Timekeeper, NV SRAM Control
• Rtc Bus Interface: Serial
• Time Format: HH
• Rtc Memory Size: 31 B
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: QSOP-20

ABSOLUTE MAXIMUM RATINGS
All Voltages (with respect to GND)
BATT or V
OUT, ALM, SCL, SDA, CX FAIL,
All Other Pins ............................................-0.3V to (V
Input Current
I
Supervisor and NV RAM Controller
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
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
2
Operating Voltage Range
Operating Voltage Range BATT
BATT Current (Note 5)
Timekeeping Current (Note 5)
Active Supply Current (Note 6)
Standby Current (Note 5)
Standby Current (Note 5)
Trickle-Charge Diode Voltage
Drop (Two Diodes)
Trickle Charge Resistors
OUT
OUT in Battery-Backup Mode
(Note 4)
2
CC
PFO, RESET.......................................................-0.3V to +6.0V
V
BATT .............................................................................100mA
GND ................................................................................20mA
CC
_______________________________________________________________________________________
C-Compatible Real-Time Clocks with µP
= V
........................................................................……500mA
CC(MIN)
CC
PARAMETER
..........................................................-0.3V to +6.0V
to V
CC(MAX)
(where V
, T
A
SUP
= -40°C to +85°C, unless otherwise noted. Typical values are at T
is greater of V
SYMBOL
V
I
I
V
I
I
I
V
BATT
BATT
BATT
CCA
CCS
CCS
R1
R2
R3
OUT
CC
MAX69__EO30 (Note 3)
MAX69__EO33 (Note 3)
MAX69__EO30 (Note 4)
MAX69__EO33 (Note 4)
Crystal fail-
circuit disabled
Crystal fail-
circuit enabled
PZT disabled,
crystal-disabled
PZT disabled,
crystal-disabled
Crystal fail-
circuit enabled
V
V
BATT
BATT
BATT
SUP
= 3.0V, V
= 2.0V, V
+ 0.3V)
or V
CC
)
CONDITIONS
CC
CC
= 0V, I
= 0V, I
V
V
V
V
V
V
V
V
V
V
V
V
Output Current
Continuous Power Dissipation (T
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range ............................ -65°C to +150°C
Lead Temperature (soldering, 10s) ................................ +300°C
BATT
BATT
BATT
BATT
BATT
BATT
CC
CC
CC
CC
CC
CC
OUT Continuous............................................................450mA
All Other Outputs ............................................................20mA
20-Pin QSOP (derate 9.1mW/°C above +70°C)...........727mW
= 3.3V, V
= 3.6V, V
= 3.3V, V
= 3.6V, V
= 3.3V, V
= 3.6V, V
OUT
OUT
= 2V, V
= 3V, V
= 3.6V, V
= 2V, V
= 3V, V
= 3.6V, V
= 20mA
10mA
CC
CC
CC
CC
BATT
BATT
BATT
BATT
BATT
BATT
CC
CC
= 0V
= 0V
= 0V
= 0V
= 0V
= 0V
= 0V
= 0V
= 0V
= 0V
= 0V
= 0V
V
V
BATT
BATT
MIN
0.15
2.7
3.0
2.0
2.0
0.1
A
= +25°C.) (Notes 1, 2)
A
-
-
= +70°C)
V
V
- 0.05
TYP
- 0.1
BATT
BATT
1.2
1.7
2.8
5.0
MAX
0.75
0.95
0.14
0.15
3.3
3.6
3.6
3.6
1.1
0.9
18
25
4
9
7
7
UNITS
mA
kΩ
µA
µA
µA
µA
V
V
V
V