DS1501W Maxim Integrated Products, DS1501W Datasheet - Page 20

• Manufacturer Part Number: DS1501W
• Description: IC RTC WDOG Y2KC 3.3V 28-DIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/WDT/NVSRAM/Y2Kr

Specifications of DS1501W

• 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: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-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