DS1501WSN+ Maxim Integrated, DS1501WSN+ Datasheet - Page 5
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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
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