DS1501WEN+ Maxim Integrated Products, DS1501WEN+ Datasheet - Page 21
![IC RTC WDOG Y2K 3.3V IND 28-TSOP](/photos/6/58/65852/28-tsop_21-0273_sml.jpg)
DS1501WEN+
Manufacturer Part Number
DS1501WEN+
Description
IC RTC WDOG Y2K 3.3V IND 28-TSOP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/WDT/NVSRAM/Y2Kr
Datasheet
1.DS1501WE.pdf
(22 pages)
Specifications of DS1501WEN+
Memory Size
2K (256 x 8)
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-TSOP
Function
Clock/Calendar/Alarm/Watchdog Timekeeper
Rtc Memory Size
256 Byte
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
Rtc Bus Interface
Parallel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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