DS1643-85+ Maxim Integrated Products, DS1643-85+ Datasheet - Page 14
![IC RAM TIMEKEEP NV 85NS 28-EDIP](/photos/6/58/65855/ds1225ab-200__sml.jpg)
DS1643-85+
Manufacturer Part Number
DS1643-85+
Description
IC RAM TIMEKEEP NV 85NS 28-EDIP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAMr
Datasheet
1.DS1643P-100.pdf
(17 pages)
Specifications of DS1643-85+
Memory Size
64K (8K x 8)
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
28-DIP Module (600 mil), 28-EDIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
DS1643P
14 of 17
NOTE: MAXIM RECOMMENDS THAT POWERCAP MODULE
BASES EXPERIENCE ONE PASS THROUGH SOLDER
REFLOW ORIENTED WITH THE LABEL SIDE UP (“LIVE-
BUG”).
HAND SOLDERING AND TOUCH-UP: DO NOT TOUCH OR
APPLY THE SOLDERING IRON TO LEADS FOR MORE THAN
3 SECONDS.
TO SOLDER, APPLY FLUX TO THE PAD, HEAT THE LEAD
FRAME PAD AND APPLY SOLDER. TO REMOVE THE PART,
APPLY FLUX, HEAT THE LEAD FRAME PAD UNTIL THE
SOLDER REFLOWS AND USE A SOLDER WICK TO
REMOVE SOLDER.
PKG
DIM
A
B
C
D
G
E
F
0.920
0.980
0.052
0.048
0.015
0.025
MIN
-
INCHES
0.925
0.985
0.055
0.050
0.020
0.027
NOM
-
0.930
0.990
0.080
0.058
0.052
0.025
0.030
MAX
DS1643/DS1643P