m28w640hcb STMicroelectronics, m28w640hcb Datasheet - Page 43

• Manufacturer Part Number: m28w640hcb
• Description: 64 Mbit 4 Mb X 16, Boot Block 3 V Supply Flash Memory
• Manufacturer: STMicroelectronics

M28W640HCT, M28W640HCB
Figure 14. TFBGA48 6.39 x 10.5 mm - 8 x 6 ball array, 0.75 mm pitch, bottom view
1. Drawing is not to scale.
Table 21.
Symbol
ddd
FD
SD
SE
A1
A2
D1
E1
FE
A
D
E
b
e
package outline
TFBGA48 6.39 x 10.5 mm - 8 x 6 ball array, 0.75 mm pitch, package
mechanical data
E
BALL "A1"
5.250
10.50
0.40
6.39
3.75
0.75
0.57
3.37
0.37
0.37
Typ
FE
E1
FD
A
millimeters
10.40
0.35
0.26
6.29
Min
–
–
–
–
–
–
–
D1
D
e
SD
10.60
Max
1.20
1.00
0.45
6.49
0.10
–
–
–
–
–
–
–
b
SE
A1
e
A2
0.016
0.252
0.207
0.413
0.148
0.029
0.022
0.133
0.015
0.015
Typ
inches
Package mechanical
0.010
0.014
0.248
0.409
Min
BGA-Z34
–
–
–
–
–
–
–
ddd
0.047
0.039
0.018
0.255
0.004
0.417
Max
–
–
–
–
–
–
–
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