DS1501WEN+T&R Maxim Integrated Products, DS1501WEN+T&R Datasheet - Page 20
![IC RTC WDOG Y2K 3.3V IND 28-TSOP](/photos/6/58/65852/28-tsop_21-0273_sml.jpg)
DS1501WEN+T&R
Manufacturer Part Number
DS1501WEN+T&R
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+T&R
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
PIN CONFIGURATIONS
TOP VIEW
PWR
GND
DQ0
DQ1
DQ2
RST
IRQ
X1
X2
A4
A3
A2
A1
A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DIP, SO
DS1501
Maxim
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
WE
V
V
KS
SQW
OE
GND
CE
DQ7
DQ6
DQ5
DQ4
DQ3
CC
BAUX
BAT
PWR
GND
RST
DQ0
DQ1
DQ2
N.C.
N.C.
IRQ
A4
A3
A2
A1
A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20 of 22
SQW
V
PWR
EDIP
DS1511
V
RST
IRQ
Maxim
BAUX
WE
V
OE
KS
X2
BAT
X1
A4
A3
CC
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
10
11
12
13
14
2
3
4
5
6
7
8
9
DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
V
WE
V
N.C.
KS
SQW
OE
N.C.
CE
DQ7
DQ6
DQ5
DQ4
DQ3
BAUX
CC
TSOP
DS1501
Maxim
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GND
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
CE
GND
A0
A2
A1