MT58L256L32D Micron Semiconductor Products, Inc., MT58L256L32D Datasheet - Page 2

• Manufacturer Part Number: MT58L256L32D
• Description: 8Mb Syncburst SRAM, 3.3V Vdd, 3.3V I/O, Pipelined, Dcd,
• Manufacturer: Micron Semiconductor Products, Inc.

NOTE: Functional block diagrams illustrate simplified device operation. See truth tables, pin descriptions, and timing diagrams
8Mb: 512K x 18, 256K x 32/36 3.3V I/O, Pipelined, DCD SyncBurst SRAM
MT58L512L18D_D.p65 – Rev. 2/02
SA0, SA1, SA
SA0, SA1, SA
ADSC#
ADSP#
MODE
BWd#
BWb#
BWc#
BWa#
BWE#
ADV#
ADSC#
ADSP#
MODE
GW#
BWb#
BWa#
CE2#
ADV#
BWE#
OE#
GW#
CE2#
CLK
CE#
CE2
OE#
CLK
CE#
CE2
for detailed information.
19
18
WRITE REGISTER
WRITE REGISTER
WRITE REGISTER
WRITE REGISTER
WRITE REGISTER
WRITE REGISTER
ADDRESS
REGISTER
BYTE “b”
BYTE “a”
REGISTER
BYTE “d”
BYTE “b”
BYTE “a”
BYTE “c”
ENABLE
REGISTER
ENABLE
ADDRESS
REGISTER
COUNTER AND
CLR
BINARY
LOGIC
FUNCTIONAL BLOCK DIAGRAM
FUNCTIONAL BLOCK DIAGRAM
PIPELINED
19
2
ENABLE
PIPELINED
16
ENABLE
Q1
Q0
CLR
SA0-SA1
COUNTER
BINARY
3.3V I/O, PIPELINED, DCD SYNCBURST SRAM
SA0-SA1
17
Q1
Q0
SA0'
256K x 32/36
SA1'
SA0'
SA1'
512K x 18
9
9
9
9
9
9
19
WRITE DRIVER
WRITE DRIVER
18
WRITE DRIVER
WRITE DRIVER
WRITE DRIVER
WRITE DRIVER
BYTE “b”
BYTE “a”
BYTE “d”
BYTE “b”
BYTE “c”
BYTE “a”
2
9
9
9
9
9
9
8Mb: 512K x 18, 256K x 32/36
Micron Technology, Inc., reserves the right to change products or specifications without notice.
512K x 9 x 2
MEMORY
256K x 8 x 4
256K x 9 x 4
ARRAY
MEMORY
ARRAY
(x32)
(x36)
18
36
SENSE
AMPS
SENSE
AMPS
18
36
18
REGISTERS
2
OUTPUT
36
REGISTERS
4
OUTPUT
18
36
BUFFERS
OUTPUT
BUFFERS
OUTPUT
©2002, Micron Technology, Inc.
E
E
REGISTERS
INPUT
REGISTERS
18
INPUT
36
DQPa
DQPd
DQs
DQPa
DQPb
DQs