W28F641B Datasheet, PDF (30/31 Pages) Winbond – 64MBIT (4MBIT × 16) PAGE MODE DUAL WORK FLASH MEMORY

W28F641B/T
7. PACKAGE DIMENSIONS
48-pin Standard Thin Small Outline Package (measured in millimeters)
1
D
HD
θL
L1
48
MILLIMETER
INCH
e ^{Sym. MIN. NOM. MAX. MIN. NOM. MAX.}
A
1.20
0.047
A1 0.05
0.002
E
A2 0.95 1.00 1.05 0.037 0.039 0.041
b ^{D 18.3 18.4 18.5 0.720 0.724 0.728}
HD ^{19.8 20.0 20.2 0.780 0.787 0.795}
E ^{11.9 12.0 12.1 0.468 0.472 0.476}
c
A2
b ^{0.17 0.22 0.27 0.007 0.009 0.011}
c 0.10
0.21 ^0.004
0.008
e
0.50
0.020
L 0.50 0.60 0.70 0.020 0.024 0.028
L1
0.80
0.031
A
Y
0.10
0.004
A1 Y
θ0
5
0
5
48-ball TFBGA (8 mm x 11 mm) (measurements in millimeters)
b
H
G
F
E
D
C
B
A
123456
e
E2
E
e
D2 _D
SEATING PLANE
A
A1
CONTROL DIMENSIONS ARE IN MILLIMETERS
MILLIMETER
SYMBOL
INCH
MIN. NOM. MAX. MIN. NOM. MAX.
A
-
- _1.05 -
- _0.042
A1
0.20 0.25 0.30 0.008 0.010 0.012
D
7.80 8.00 8.20 0.312 0.320 0.328
D2
3.75 BASIC
0.150 BASIC
E _{10.80 11.00 11.20 0.400 0.440 0.480}
E2
5.25 BASIC
y
0.10 BASIC
0.210
0.004 BASIC
0.37 0.40 0.43 0.015 0.016 0.017
b
e
0.75 BASIC
0.030 BASIC
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