DS1501YS+ Maxim Integrated, DS1501YS+ Datasheet - Page 19

• Manufacturer Part Number: DS1501YS+
• Description: Real Time Clock
• Manufacturer: Maxim Integrated
• Series: DS1501, DS1511r

Specifications of DS1501YS+

• Rohs: yes
• Function: Clock, Calendar, Alarm, Watchdog Timekeeper
• Rtc Bus Interface: Parallel
• Time Format: HH
• Rtc Memory Size: 256 B
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-28
• Part # Aliases: 90-1501Y+S00

WE only when register 13h is being accessed (Figure 4). The address pointer wraps around after the last address
is accessed.
ORDERING INFORMATION (continued)
+Denotes a lead(Pb)-free/RoHS-compliant package.
* A “+” anywhere on the top mark denotes a lead(Pb)-free package. An N or IND denotes an industrial temperature device.
DS1501WN+
DS1501WZ+
DS1501WZN+
DS1501WZN+T&R
DS1501WZ+T&R
DS1501Y+
DS1501YE+
DS1501YEN+
DS1501YEN+T&R
DS1501YE+T&R
DS1501YN+
DS1501YZ+
DS1501YZN+
DS1501YZN+T&R
DS1501YZ+T&R
DS1511W+
DS1511Y+
PART
VOLTAGE (V)
3.3
3.3
3.3
3.3
3.3
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
3.3
5.0
-40C to +85C
-40C to +85C
-40C to +85C
-40C to +85C
-40C to +85C
-40C to +85C
-40C to +85C
-40C to +85C
TEMP RANGE
0C to +70C
0C to +70C
0C to +70C
0C to +70C
0C to +70C
0C to +70C
0C to +70C
0C to +70C
0C to +70C
19 of 22
DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
28 DIP (0.600)
28 SO (0.300)
28 SO (0.300)/Tape & Reel
28 TSOP
28 TSOP/Tape & Reel
28 DIP (0.600)
28 SO (0.300)
28 SO (0.300)/Tape & Reel
PIN-PACKAGE
28 SO (0.300)
28 SO (0.300)/Tape & Reel
28 DIP (0.600)
28 TSOP
28 TSOP/Tape & Reel
28 SO (0.300)
28 SO (0.300)/Tape & Reel
28 EDIP (0.720)
28 EDIP (0.720)
DS1501WN
DS1501YN
TOP MARK*
DS1501WZ
DS1501WZN
DS1501WZN
DS1501WZ
DS1501Y
DS1501YE
DS1501YEN
DS1501YEN
DS1501YE
DS1501YZ
DS1501YZN
DS1501YZN
DS1501YZ
DS1511W
DS1511Y