EMD56164P Emlsi Inc., EMD56164P Datasheet - Page 5

• Manufacturer Part Number: EMD56164P
• Description: 256m 16m X 16 Mobile Ddr Sdram
• Manufacturer: Emlsi Inc.

FUNCTIONAL BLOCK DIAGRAM
BA0, BA1
A0 - A12
RASB
CASB
WEB
CKE
CKB
CSB
CK
○
○
○
○
○
○
○
15
REFRESH
COUNTER
COMMAND
DECODE
13
CONTROL
LOGIC
13
13
8
2
2
STANDARD MODE
EXTENDED MODE
REGISTER
REGISTER
DECODER
ADDRESS
CONTROL
LOGIC
ROW -
BANK
x 4
8,192
COLUMN -
ADDRESS
DECODER
(8,192 x 256x 32)
256
SENSE AMPLIFIERS
MEMORY
ARRAY
x 4
BANK
DM MASK LOGIC
I/O GATING
32
5
x 4
32
32
32
GENERATOR
256M: 16M x 16 Mobile DDR SDRAM
1
Dout
Parallel
Parallel
Serial
Serial
DQS
Din
to
to
2
2
16
2
16
INPUT BUF.
INPUT BUF.
INPUT BUF.
EMD56164P
DRIVER
DRIVER
DQS
Dout
DQS
Din
DM
Preliminary
16
2
16
2
2
○
○
○
Rev 0.0
DQS0~
DQ0~
DQS1
DM0~
DQ15
DM1