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54AC139 View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
54AC139 Rad-hard advanced high-speed 5 V CMOS logic series ST-Microelectronics
STMicroelectronics ST-Microelectronics
54AC139 Datasheet PDF : 28 Pages
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54ACxxxx, 54ACTxxxx
Package mechanical data
Figure 8. Ceramic Flat-48 (MIL-STD-1835) package outline
Note:
7330585A
The upper metallic lid is not electrically connected to any pins, nor to the IC die inside the
package. Connecting unused pins or metal lid to ground or to the power supply will not affect
the electrical characteristics.
Table 12.
Symbol
Ceramic Flat-48 (MIL-STD-1835) package mechanical data
Dimensions (mm)
Dimensions (inch)
Min.
Typ.
Max.
Min.
Typ.
Max.
A
2.18
2.47
2.72
0.086
0.097
0.107
b
0.20
0.254
0.30
0.008
0.010
0.012
c
0.12
0.15
0.18
0.005
0.006
0.007
D
15.57
15.75
15.92
0.613
0.620
0.627
E
9.52
9.65
9.78
0.375
0.380
0.385
E
6.22
6.35
6.48
0.245
0.250
0.255
E3
1.52
1.65
1.78
0.060
0.065
0.070
e
0.635
0.025
f
0.20
0.008
L
6.85
8.38
9.40
0.270
0.330
0.370
Q
0.66
0.79
0.92
0.026
0.031
0.036
S1
0.25
0.43
0.61
0.010
0.017
0.024
Doc ID 17352 Rev 3
17/28
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