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IC BLOCK DIAGRAM & DESCRIPTION
IC131 M11L416256SA-35T(DRAM)
WE
RAS
CASL
CASH
GENERATOR
9
A0
A1
A2
CONTROLER
A3
A4
REFRESH
A5
COUNTER
A6
A7
A8
9
BUFFERS(9)
PIN DESCRIPTIONS
PIN NO.
16~19,22~26
14
28
29
13
27
2~5,7~10,31~34,36~39
1,6,20
21,35,40
11,12,15,30
CONTROL
LOGIC
CLOCK
COLUMN
ADDRESS
BUFFER
REFRESH
9
9
ROW.
9
ADDRESS
PIN NAME
A0~A8
RAS
CASH
CASL
WE
OE
I/O0 ~ I/O15
Input / Output Data Input / Output
V
CC
V
SS
NC
DATA-IN BUFFER
COLUMN
9
DECODER
512
SENSE AMPLIFIERS
I/O GATING
8
512 x 16
512 x 512 x 16
MEMORY
512
ARRAY
V
GENERATOR
BB
TYPE
Address Input
Input
Row Address : A0~A8
Column Address : A0~A8
Input
Row Address Strobe
Input
Column Address Strobe / Upper Byte Control
Input
Column Address Strobe / Lower Byte Control
Input
Write Enable
Input
Output Enable
Supply
Power, 3.3V
Ground
Ground
-
No Connect
- 21 -
DATA-OUT
BUFFER
16
16
V
CC
V
SS
DESCRIPTION
IO0
16
:
IO15
OE
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