DS1501WS Maxim Integrated Products, DS1501WS Datasheet - Page 21

• Manufacturer Part Number: DS1501WS
• Description: IC RTC WDOG Y2KC 3.3V 28-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/WDT/NVSRAM/Y2Kr

Specifications of DS1501WS

• 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: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL OPERATING CIRCUITS
PACKAGE INFORMATION
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
V
CPU
CC
V
CPU
RST
CC
28-pin TSOP (8mm x 13.4mm)
IRQ
RST
IRQ
28-pin EDIP (720 mils)
28-pin DIP (600 mils)
28-pin SO (300 mils)
PACKAGE TYPE
DQ0–DQ7
A0–A4
DQ0–DQ7
A0–A4
V
CC
V
RPU
CC
RPU
IRQ
OE
CE
RST
WE
X1
CRYSTAL
CE
RST
IRQ
OE
WE
DS1501
X2
DS1511
GND
GND
GND
V
V
CC
GND
CC
SQW
V
PWR
V
V
V
CC
CC
V
PWR
SQW
BAUX
KS
BAUX
BAT
KS
21 of 22
DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
DOCUMENT NUMBER
21-0044
21-0042
21-0273
21-0241