merging Memory & Logic Solutions Inc.
FEATURES
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Process Technology : 0.18µm Full CMOS
Organization : 512K x 8 bit
Power Supply Voltage : 1.65V ~ 2.2V
Low Data Retention Voltage : 1.0V(Min)
Three state outputs
Package Type : 36-FPBGA 6.0x7.0
EM640FP8 Series
Low Power, 512Kx8 SRAM
GENERAL DESCRIPTION
The EM640FP8 families are fabricated by EMLSI’s
advanced full CMOS process technology. The families
support industrial temperature range and Chip Scale
Package for user flexibility of system design. The fami-
lies also supports low data retention voltage for battery
back-up operation with low data retention current.
PRODUCT FAMILY
Power Dissipation
Product
Family
Operating
Temperature
Vcc Range
Speed
Standby
(I
SB1
, Typ)
1
µA
Operating
(I
CC1
.Max)
2 mA
PKG Type
EM640FP8
Industrial (-40 ~ 85
o
C)
1.65~2.2V
70ns
1 )
36 FPBGA
(6.0x7.0)
1. The parameter is measured with 30pF test load.
PIN DESCRIPTION
1
A
B
C
D
E
F
G
H
2
3
4
5
6
FUNCTIONAL BLOCK DIAGRAM
Pre-charge Circuit
A
0
I/O
5
I/O
6
V
SS
V
C C
I/O
7
I/O
8
A
9
A
1
A
2
CS
2
WE
DNU
A
3
A
4
A
5
A
6
A
7
A
8
I/O
1
I/O
2
V
CC
V
SS
Row S elect
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
A
10
V
C
C
V
SS
Memory Array
2048 x 2048
I/O1 ~ I/O4
I/O5 ~ I/O8
Data
Cont
Data
Cont
I/O Circuit
Column Select
A
18
OE
A
10
CS
1
A
11
A
17
A
16
A
12
A
15
A
13
I/O
3
I/O
4
A
14
A A A
13
A
1
A A A A
11 12
4 15 16 17 18
36-FPBGA : Top view (ball down)
W
E
O
E
CS
1
Control Logic
Name
CS
1
,CS
2
OE
A
0
~A
18
I/O
1
~I/O
8
Function
Chip select inputs
Output Enable input
Address Inputs
Data Inputs/outputs
Name
WE
Vcc
Vss
DNU
Function
Write Enable input
Power Supply
Ground
Do Not Use
CS
2
2
EMLSI [ Emerging Memory & Logic Solutions Inc ]
