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CG6257AM Datasheet(PDF) 2 Page - Weida Semiconductor, Inc.

Part # CG6257AM
Description  4Mb (256K x 16) Pseudo Static RAM
PDF  12 Pages
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Manufacturer  WEIDA [Weida Semiconductor, Inc.]
Direct Link  http://www.weida.com.my/website/
Logo WEIDA - Weida Semiconductor, Inc.

CG6257AM Datasheet(HTML) 2 Page - Weida Semiconductor, Inc.

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PRELIMINARY
CG6257AM
38-XXXXX
Page - 2 - of 12
Pin Configuration[2, 3, 4]
FBGA
Note:
2.
DNU pins have to be left floating.
3.
Ball H1, G2 and ball H6 for the FBGA package can be used to upgrade to a 8M, 16M and a 32M density respectively.
4.
NC “no connect” - not connected internally to the die.
WE
A11
A10
A6
A0
A3
CE
I/O10
I/O8
I/O9
A4
A5
I/O11
I/O13
I/O12
I/O14
I/O15
VSS
A9
A8
OE
Vss
A7
I/O0
BHE
NC
A17
A2
A1
BLE
VCC
I/O2
I/O1
I/O3
I/O4
I/O5
I/O6
I/O7
A15
A14
A13
A
12
NC/
NC/
NC/
3
2
6
5
4
1
D
E
B
A
C
F
G
H
Top View
A16
GND
Vcc
A20
A19
A18



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