DS1744W-120 查看數據表（PDF） - Unspecified
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DS1744W-120 Datasheet PDF : 19 Pages
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DS1744/DS1744P
Y2K-Compliant, Nonvolatile Timekeeping RAMs
REVISIONS
LTR
DESCRIPTION DATE
APPROVED
A
ECN 35439
ALL DIMENSIONS ARE IN INCHES. SEE PAGE 2 FOR DIMENSIONS IN MM
24 PIN
28 PIN
32 PIN 740
MIN
MAX
MIN
MAX
MIN
A
1.320
1.340
1.520
1.540
1.680
C
0.330
0.370
0.330
0.370
0.330
D
0.100
0.130
0.100
0.130
0.070
MAX
1.720
0.370
0.100
MIN
B
0.68
B
0.720
MAX
0.72
0.740
24 PIN 720, 28 PIN 720 and 40 PIN 720
24 PIN 740, 28 PIN 740 and 32 PIN 740
ALL PACKAGES
MIN
MAX
E
0.010
0.040
F
0.120
0.160
G
0.090
0.110
H
0.590
0.630
J
0.008
0.012
K
0.015
0.021
40 PIN 720
MIN
2.075
0.280
0.070
MAX
2.115
0.320
0.100
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