DS1501 Maxim, DS1501 Datasheet - Page 2

• Manufacturer Part Number: DS1501
• Description: The DS1501/DS1511 are full-function, year 2000-compliant real-time clock/calendars (RTCs) with an RTC alarm, watchdog timer, power-on reset, battery monitors, 256 bytes NV SRAM, and a 32
• Manufacturer: Maxim

ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………………..……....-0.5V to +6.0V
Operating Temperature Range, DS1501
Operating Temperature Range, DS1511……………………………………………………………….……..0°C to +70°C
Storage Temperature Range, DS1501
Storage Temperature Range, DS1511………………………………………………………………….…..-40°C to +70°C
Soldering Temperature (DIP, EDIP Module)…..………...….+260°C lead temperature for 10 seconds (max) (Note 2)
Soldering Temperature (SO, TSOP)
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
(V
DC ELECTRICAL CHARACTERISTICS
(V
Power Supply Voltage (Note 3)
Logic 1 Voltage All Inputs (Note 3)
Pullup Voltage, IRQ, PWR, and
RST Outputs (Note 3)
Logic 0 Voltage All Inputs (Note 3)
Battery Voltage (Note 3)
Auxiliary Battery Voltage (Note 3)
Active Supply Current (Note 4)
TTL Standby Current (CE = V
CMOS Standby Current
(CE = V
Input Leakage Current (Any Input)
Output Leakage Current (Any Output)
Output Logic 1 Voltage
(I
Output Logic 0 Voltage (I
DQ0–7; I
7.0mA, PWR and RST)
Battery Low, Flag Trip Point (Note 2)
Power-Fail Voltage (Note 2)
Battery Switchover Voltage (Notes 3, 6)
Battery Leakage Current
CC
CC
OUT
= 3.3V or 5V ±10%, T
= 3.3V or 5V ±10%, T
= -1.0mA)
CC
OUT
PARAMETER
- 0.2V)
= 5.0mA, IRQ, I
PARAMETER
OUT
A
A
= 0°C to +70°C; V
= 0°C to +70°C; V
OUT
= 2.1mA,
IH
)
=
…….………….…..
…………………...…………………………………....
SYMBOL
………………………………………………..
V
V
V
V
V
V
BAUX
BAT
CC
PU
SYMBOL
IH
IL
CC
CC
V
V
V
V
V
I
I
V
I
I
I
CC1
CC2
LKG
I
CC
OL
OL1
OL2
BLF
IL
OH
SO
PF
= 3.3V or 5V ±10%, T
= 3.3V or 5V ±10%, T
5V (Y)
3.3V (W)
Y
W
Y
W
Y
W
2 of 22
CONDITIONS
Y
W
Y
W
Y
W
(Note 3)
(Note 3)
(Notes 3, 5)
Y
W
Y
W
CONDITIONS
See IPC/JEDEC J-STD-020 for surface-mount devices
DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
A
A
= -40°C to +85°C.)
= -40°C to +85°C.)
4.20
2.75
MIN
MIN
-0.3
-0.3
4.5
3.0
2.2
2.0
2.5
2.5
2.5
2.4
-1
-1
V
or V
V
TYP
TYP
5.0
3.3
3.0
3.0
3.0
2.0
1.9
BAUX,
BAT,
-40°C to +85°C (Note 1)
PF
V
V
-55°C to +125°C
CC
CC
MAX
MAX
+0.8
+0.6
4.50
2.97
100
5.5
3.6
5.5
3.7
5.3
3.7
0.4
0.4
15
10
+1
+1
5
4
5
4
+ 0.3
+ 0.3
UNITS
UNITS
mA
mA
mA
μA
μA
nA
V
V
V
V
V
V
V
V
V
V
V
V