K4C561638C-TCD4000 Datasheet, PDF (7/42 Pages) Samsung semiconductor – 256Mb Network-DRAM

K4C5608/1638C
Block Diagram
256Mb Network-DRAM
CK
DLL
CK
CLOCK
PD
BUFFER
CS
COMMAND
FN
DECODER
To Each Block
CONTROL
SIGNAL
GENERATOR
BANK #3
BANK #2
BANK #1
BANK #0
A0 to A14
BA0, BA1
ADDRESS
BUFFER
REFRESH
COUNTER
MODE
REGISTER
MEMORY
CELL
ARRAY
UPPER ADDRESS
LATCH
LOWER ADDRESS
LATCH
COLUMN DECODER
BURST
COUNTER
WRITE ADDRESS
LATCH
ADDRESS
COMPARATOR
READ
DATA
BUFFER
WRITE
DATA
BUFFER
DQS
DQ BUFFER
DQ0 to DQn
Note : The K4C560838C-TC configuration is 4 Bank of 32768X256X 8 of cell array with the DQ pins numbered DQ0-7
The K4C561638C-TC configuration is 4 BanK of 32768X128X16 of cell array with the DQ pins numbered DQ0-15.
-7-
REV. 0.7 Aug. 2003