EMD56324P Emlsi Inc., EMD56324P Datasheet - Page 5

• Manufacturer Part Number: EMD56324P
• Description: 256m 8m X 32 Mobile Ddr Sdram
• Manufacturer: Emlsi Inc.

FUNCTIONAL BLOCK DIAGRAM
BA0, BA1
A0 - A11
RASB
CASB
WEB
CKE
CKB
CSB
CK
○
○
○
○
○
○
○
14
COUNTER
COMMAND
REFRESH
DECODE
12
CONTROL
LOGIC
12
12
8
2
2
STANDARD MODE
EXTENDED MODE
REGISTER
REGISTER
ADDRESS
DECODER
CONTROL
ROW -
LOGIC
BANK
x 4
8,192
COLUMN -
DECODER
ADDRESS
(4,096 x 256 x 64)
256
SENSE AMPLIFIERS
MEMORY
ARRAY
x 4
BANK
DM MASK LOGIC
I/O GATING
64
5
x 4
64
64
64
GENERATOR
1
256M: 8M x 32 Mobile DDR SDRAM
Parallel
Parallel
Dout
Serial
Serial
DQS
Din
to
to
4
4
32
4
32
INPUT BUF.
INPUT BUF.
INPUT BUF.
EMD56324P
DRIVER
DRIVER
DQS
Dout
DQS
Din
DM
Preliminary
32
4
32
4
4
○
○
○
Rev 0.0
DQS0~
DQS3
DM0~
DQ0~
DQ31
DM3