Datasheet

DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
21 of 22
TYPICAL OPERATING CIRCUITS
PACKAGE INFORMATION
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note
that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character,
but the drawing pertains to the package regardless of RoHS status.
PACKAGE TYPE
PACKAGE CODE
OUTLINE NUMBER
LAND PATTERN NO.
28 SO
W28+3
21-0042
90-0109
28 TSOP
Z28+4
21-0273
90-0319
28 EDIP
MDP28+1
21-0241
—
DS1501
CPU
V
CC
V
CC
V
CC
IRQ
RST
GND
X2
X1
V
CC
RPU
CRYSTAL
SQW
V
BAT
DQ0–DQ7
RST
WE
OE
V
BAUX
KS
PWR
CE
A0–A4
IRQ
GND
DS1511
CPU
V
CC
V
CC
V
CC
IRQ
RST
GND
V
CC
RPU
SQW
DQ0–DQ7
RST
WE
OE
V
BAUX
KS
PWR
CE
A0–A4
IRQ
GND