DS1501 Maxim, DS1501 Datasheet - Page 21

• Manufacturer Part Number: DS1501
• Description: The DS1501/DS1511 are full-function, year 2000-compliant real-time clock/calendars (RTCs) with an RTC alarm, watchdog timer, power-on reset, battery monitors, 256 bytes NV SRAM, and a 32
• Manufacturer: Maxim

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