28-pin 300 mil SOJ Package Outline Dimension

1

28

14

15

A2

L

C

XX

X

Note : 1.S/E/D dimension is not including mold flash.

2.The end flash in package lengthwise is not more than 10 mils each side.

UNIT

SYM.

INCH(REF)

MM(BASE)

A

0.140 (MAX)

3.556 (MAX)

A1

0.026 (MIN)

0.660 (MIN)

A2

0.100±0.005

2.540±0.127

B

0.018±0.003

0.457±0.076

B1

0.028 ±0.003

0.711±0.076

c

0.010±0.003

0.254±0.076

D

0.710±0.010

18.03±0.254

E

0.337±0.010

8.560±0.254

E1

0.300±0.005

7.620±0.127

e

0.050±0.003

1.270±0.076

L

0.087±0.010

2.210±0.254

S

0.030±0.004

0.762±0.102

Y

0.003 (MAX)

0.076 (MAX)

NOVEMBER 2009

AS7C164A

8K X 8 BIT HIGH SPEED CMOS SRAM

NOVEMBER/2009 V1.2

Page 8 of 10

Alliance Memory Inc