EMD28164PA Emlsi Inc., EMD28164PA Datasheet - Page 5

• Manufacturer Part Number: EMD28164PA
• Description: 128m 8m X 16 Mobile Ddr Sdram
• Manufacturer: Emlsi Inc.

FUNCTIONAL BLOCK DIAGRAM
BA0, BA1
A0 - A11
/RAS
/CAS
/WE
CKE
/CK
/CS
CK
○
○
○
○
○
○
○
14
REFRESH
COUNTER
COMMAND
DECODE
14
CONTROL
LOGIC
12
12
STANDARD MODE
EXTENDED MODE
2
2
8
REGISTER
REGISTER
DECODER
ADDRESS
CONTROL
ROW -
LOGIC
BANK
x 4
4,096
COLUMN -
DECODER
ADDRESS
(4,096 x 256 x 32)
256
SENSE AMPLIFIERS
MEMORY
ARRAY
x 4
BANK
DM MASK LOGIC
I/O GATING
32
5
x 4
32
32
32
GENERATOR
1
128M: 8M x 16 Mobile DDR SDRAM
Parallel
Parallel
Dout
Serial
Serial
DQS
Din
to
to
2
2
16
2
16
EMD28164PA
INPUT BUF.
INPUT BUF.
INPUT BUF.
DRIVER
DRIVER
DQS
Dout
DQS
Din
DM
16
2
16
2
2
○
○
○
Rev 1.0
UDQS
LDQS
DQ0 -
DQ15
UDM
LDM