AT25640BN-SH-B データシートの表示（PDF） - Atmel Corporation

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AT25640BN-SH-B

SPI Serial EEPROMs 32K (4096 x 8) 64K (8192 x 8)

Atmel Corporation 

8U2-1 - dBGA2

AT25320B/640B

COMMON DIMENSIONS

(Unit of Measure = mm)

Notes:

1. This drawing is for general information.

2. Dimension 'b' is measured at the maximum solder ball diameter.

3. Solder ball composition shall be 95.5Sn-4.0Ag-.5Cu.

SYMBOL MIN NOM MAX NOTE

A 0.81 0.91 1.00

A1 0.15 0.20 0.25

A2 0.40 0.45 0.50

b 0.25 0.30 0.35

D

2.35 BSC

E

3.73 BSC

e

0.75 BSC

e1

0.74 REF

d

0.75 BSC

d1

0.80 REF

Package Drawing Contact:

packagedrawings@atmel.com

TITLE

GPC

8U2-1, 8 ball, 2.35 x 3.73 mm Body, 0.75 mm pitch

VFBGA Package (dBGA2)

GWW

2/25/08

DRAWING NO. REV.

8U2-1

C

21

8535B–SEEPR–7/08

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