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DS1643P-70+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
DS1643/DS1643P
13 of 17
DS1643 28-PIN PACKAGE
PKG 28-PIN
DIM MIN MAX
A IN.
MM
1.470
37.34
1.490
37.85
B IN.
MM
0.675
17.75
0.740
18.80
C IN.
MM
0.315
8.51
0.335
9.02
D IN.
MM
0.075
1.91
0.105
2.67
E IN.
MM
0.015
0.38
0.030
0.76
F IN.
MM
0.140
3.56
0.180
4.57
G IN.
MM
0.090
2.29
0.110
2.79
H IN.
MM
0.590
14.99
0.630
16.00
J IN.
MM
0.010
0.25
0.018
0.45
K IN.
MM
0.015
0.43
0.025
0.58
DS1643/DS1643P
14 of 17
DS1643P
PKG INCHES
DIM MIN NOM MAX
A 0.920 0.925 0.930
B 0.980 0.985 0.990
C - - 0.080
D 0.052 0.055 0.058
E 0.048 0.050 0.052
F 0.015 0.020 0.025
G 0.025 0.027 0.030
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.
DS1643/DS1643P
15 of 17
DS1643P WITH DS9034PCX ATTACHED
PKG INCHES
DIM MIN NOM MAX
A 0.920 0.925 0.930
B 0.955 0.960 0.965
C 0.240 0.245 0.250
D 0.052 0.055 0.058
E 0.048 0.050 0.052
F 0.015 0.020 0.025
G 0.020 0.025 0.030
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

DS1643P-70+

Mfr. #:
Buy DS1643P-70+
Manufacturer:
Description:
IC RTC CLK/CALENDAR PAR 34-PCM
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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