DS1501WSN+ Maxim Integrated, DS1501WSN+ Datasheet - Page 21
![no-image](/images/no-image-200.jpg)
DS1501WSN+
Manufacturer Part Number
DS1501WSN+
Description
Real Time Clock
Manufacturer
Maxim Integrated
Series
DS1501, DS1511r
Datasheet
1.DS1501YSTR.pdf
(22 pages)
Specifications of DS1501WSN+
Rohs
yes
Function
Clock, Calendar, Alarm, Watchdog Timekeeper
Rtc Bus Interface
Parallel
Time Format
HH
Rtc Memory Size
256 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
SOIC-28
Part # Aliases
90-1501W+SN0
TYPICAL OPERATING CIRCUITS
PACKAGE INFORMATION
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
V
CPU
CC
V
CPU
RST
CC
28-pin TSOP (8mm x 13.4mm)
IRQ
RST
IRQ
28-pin EDIP (720 mils)
28-pin DIP (600 mils)
28-pin SO (300 mils)
PACKAGE TYPE
DQ0–DQ7
A0–A4
DQ0–DQ7
A0–A4
V
CC
V
RPU
CC
RPU
IRQ
OE
CE
RST
WE
X1
CRYSTAL
CE
RST
IRQ
OE
WE
DS1501
X2
DS1511
GND
GND
GND
V
V
CC
GND
CC
SQW
V
PWR
V
V
V
CC
CC
V
PWR
SQW
BAUX
KS
BAUX
BAT
KS
21 of 22
DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
DOCUMENT NUMBER
21-0044
21-0042
21-0273
21-0241