Rainbow Electronics DS1500 - Manual (Page 19)

DS1500 Y2K Watchdog RTC with Nonvolatile Control
19 of 19
SELECTOR GUIDE
PART
NOMINAL
V
CC
(V)
TOP MARK
DS1500YEN 5 DS1500Y N
DS1500WEN 3.3 DS1500W N
TYPICAL OPERATING CIRCUIT
PACKAGE INFORMATION
(For the latest package outline information, go to www.maxim-ic.com/DallasPackInfo .)
Dallas
Semiconductor
DS1500
CPU
V
CC
V
CCI
IRQ
RST
GND
X2 X1
RPU
CRYSTAL
SQW
V
BAT
DQ0–DQ7
RST
V
BAUX
KS
PWR
CE
A0–A4
IRQ
GND
SRAM
WE
OE
CEI
CEO CE
V
CCO
V
CC
V
CC
V
CC