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IC BLOCK DIAGRAM & DESCRIPTION
IC131 M11L416256SA-35T(DRAM)
WE
RAS
CASL
CASH
A0
A1
A2
A3
A4
A5
A6
A7
A8
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
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CONTROL
LOGIC
CLOCK
GENERATOR
COLUMN
9
ADDRESS
BUFFER
REFRESH
CONTROLER
REFRESH
COUNTER
9
9
ROW.
9
9
ADDRESS
BUFFERS(9)
PIN NAME
TYPE
A0~A8
Input
Input
RAS
Input
CASH
Input
CASL
Input
WE
Input
OE
I/O0 ~ I/O15
Input / Output
V
Supply
CC
V
Ground
SS
NC
DATA-IN BUFFER
COLUMN
9
DECODER
512
16
SENSE AMPLIFIERS
I/O GATING
8
512 x 16
512 x 512 x 16
MEMORY
512
ARRAY
V
GENERATOR
BB
Address Input
Row Address : A0~A8
Column Address : A0~A8
Row Address Strobe
Column Address Strobe / Upper Byte Control
Column Address Strobe / Lower Byte Control
Write Enable
Output Enable
Data Input / Output
Power, 3.3V
Ground
-
No Connect
- 34 -
IO0
16
IO15
DATA-OUT
BUFFER
OE
16
V
CC
V
SS
DESCRIPTION
:
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