
Figure 10: 78-Ball FBGA Die Rev. B (package code NRE)
1.8 CTR
nonconductive
overmold
0.155
Seating plane
0.12 A
Ball A1 ID
(covered by SR)
Ball A1 ID
A
0.34 ±0.05
1.1 ±0.1
6.4 CTR
8 ±0.1
0.8 TYP
9.6 CTR
12 ±0.1
78X Ø0.47
Dimensions apply
to solder balls post-
reflow on Ø0.42 SMD
ball pads.
0.8 TYP
1
23789
A
B
C
D
E
F
G
H
J
K
L
M
N
Notes:
1. All dimensions are in millimeters.
2. Solder ball material: SAC305 (96.5% Sn, 3% Ag, 0.5% Cu).
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This data sheet contains minimum and maximum limits specified over the power supply and temperature range set forth herein.
Although considered final, these specifications are subject to change, as further product development and data characterization some-
times occur.
16Gb: x4, x8 TwinDie DDR4 SDRAM
Package Dimensions
PDF: 09005aef85fd40a1
DDR4_16Gb_x4_x8_2CS_TwinDie.pdf - Rev. D 12/16 EN
21
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