DS1501W+ Maxim Integrated Products, DS1501W+ Datasheet - Page 5
![IC RTC WDOG Y2KC 3.3V 28-DIP](/photos/6/57/65775/dg406dj__sml.jpg)
DS1501W+
Manufacturer Part Number
DS1501W+
Description
IC RTC WDOG Y2KC 3.3V 28-DIP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/WDT/NVSRAM/Y2Kr
Datasheet
1.DS1501WE.pdf
(22 pages)
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
Lead free / RoHS Compliant
Figure 2. Write Cycle Timing, Write-Enable Controlled
Figure 3. Write Cycle Timing, Chip-Enable Controlled
DQ0-DQ7
W E
A0-A4
CE
DQ0–DQ7
WE
CE
A0–A4
t
DATA OUTPUT
AS
t
AS
t
AS
t
AS
VALID
VALID
t
WEZ
t
WC
t
W C
t
WEW
5 of 22
DATA INPUT
t
DS
DATA INPUT
DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
t
t
AH
DH
t
WR
VALID
DATA INPUT
VALID
DATA INPUT