tc59lm814 TOSHIBA Semiconductor CORPORATION, tc59lm814 Datasheet - Page 3

• Manufacturer Part Number: tc59lm814
• Description: 256mbits Network Fcram1
• Manufacturer: TOSHIBA Semiconductor CORPORATION

BLOCK DIAGRAM
BA0, BA1
A0~A14
Note: The TC59LM806CTG configuration is 4Bank of 32768 × 256 × 8 of cell array with the DQ pins numbered DQ0~DQ7.
CLK
CLK
CS
PD
FN
The TC59LM814CTG configuration is 4Bank of 32768 × 128 × 16 of cell array with the DQ pins numbered DQ0~DQ15.
COMMAND
DECODER
COUNTER
ADDRESS
REFRESH
BUFFER
BUFFER
CLOCK
DLL
GENERATOR
COUNTER
LOWER ADDRESS
UPPER ADDRESS
REGISTER
CONTROL
BURST
SIGNAL
MODE
LATCH
LATCH
To each block
WRITE ADDRESS
COMPARATOR
ADDRESS
LATCH/
COLUMN DECODER
CELL ARRAY
MEMORY
BANK #0
DQS
TC59LM814/06CTG-50,-60
BANK #1
BANK #2
BANK #3
BUFFER
READ
DATA
2005-06-21 3/39
DQ BUFFER
DQ0~DQn
Rev 1.2
BUFFER
WRITE
DATA