28F256L18 データシートの表示（PDF） - Numonyx -> Micron

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28F256L18

Numonyx™ StrataFlash Wireless Memory (L18)

Numonyx -> Micron 

Numonyx™ StrataFlash® Wireless Memory (L18)

3.0

Package Information

3.1

VF BGA Packages

Figure 1: 128-Mbit, 56-Ball VF BGA Package Drawing and Dimensions

A1 Index

Mark

D

A1 Index

Mark

S1

12345 678

A

B

C

E

D

E

F

G

8 7 6 5 4 3 21

S2

A

B

C

D

E

e

F

G

Top View - Ball Side Down

A1

A2

Side View

b

Bottom View - Ball Side Up

A

Seating

Plane

Y

Note: Drawing not to scale

Dimensions

Package Height

Ball Height

Package Body Thickness

Ball (Lead) Width

Package Body Length (128Mb)

Package Body Width (128Mb)

Pitch

Ball (Lead) Count

Seating Plane Coplanarity

Corner to Ball A1 Distance Along D

Corner to Ball A1 Distance Along E

Symbol

A

A1

A2

b

D

E

e

N

Y

S1

S2

Min

0.150

0.325

7.600

8.900

1.125

2.150

Millimeters

Nom Max Notes

1.000

0.665

0.375

7.700

9.000

0.750

56

1.225

2.250

0.425

7.800

9.100

0.100

1.325

2.350

Min

0.0059

0.0128

0.2992

0.3504

0.0443

0.0846

Inches

Nom

0.0262

0.0148

0.3031

0.3543

0.0295

56

0.0482

0.0886

Max

0.0394

0.0167

0.3071

0.3583

0.0039

0.0522

0.0925

November 2007

251902-12

Datasheet

11

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