DS1643 Maxim, DS1643 Datasheet - Page 14

• Manufacturer Part Number: DS1643
• Description: The DS1643 is an 8K x 8 nonvolatile static RAM with a full function Real Time Clock (RTC) that are both accessible in a byte-wide format
• Manufacturer: Maxim

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