2Mb: 128K x 18, 64K x 32/36
FLOW-THROUGH SYNCBURST SRAM
FUNCTIONAL BLOCK DIAGRAM
128K x 18
17
15
17
17
2
ADDRESS
REGISTER
SA0, SA1, SA
MODE
SA0-SA1
Q1
SA1'
SA0'
ADV#
CLK
BINARY
COUNTER AND
LOGIC
CLR
Q0
ADSC#
ADSP#
BYTE “b”
WRITE DRIVER
BYTE “b”
WRITE REGISTER
9
9
9
9
BWb#
DQs
DQPa
DQPb
128K x 9 x 2
MEMORY
ARRAY
OUTPUT
BUFFERS
SENSE
AMPS
18
18
18
BYTE “a”
WRITE DRIVER
BYTE “a”
WRITE REGISTER
BWa#
BWE#
INPUT
REGISTERS
GW#
18
ENABLE
REGISTER
CE#
CE2
CE2#
2
OE#
FUNCTIONAL BLOCK DIAGRAM
64K x 32/36
16
14
16
16
ADDRESS
REGISTER
SA0, SA1, SA
MODE
SA0-SA1
Q1
Q0
ADV#
CLK
BINARY
COUNTER
AND LOGIC
CLR
SA1'
SA0'
ADSC#
ADSP#
BYTE “d”
WRITE DRIVER
BYTE “d”
WRITE REGISTER
BWd#
9
9
9
9
64K x 8 x 4
(x32)
BYTE “c”
WRITE DRIVER
BWc#
BYTE “c”
WRITE REGISTER
OUTPUT
BUFFERS
64K x 9 x 4
(x36)
DQs
SENSE
AMPS
36
36
36
DQPa
DQPb
DQPc
DQPd
BYTE “b”
WRITE DRIVER
BYTE “b”
WRITE REGISTER
9
9
9
9
BWb#
MEMORY
ARRAY
BYTE “a”
WRITE DRIVER
BYTE “a”
WRITE REGISTER
BWa#
BWE#
INPUT
REGISTERS
GW#
36
ENABLE
REGISTER
CE#
CE2
CE2#
OE#
4
NOTE: Functional Block Diagrams illustrate simplified device operation. See truth table, pin descriptions and timing diagrams for
detailed information.
2Mb: 128K x 18, 64K x 32/36 Flow-Through SyncBurst SRAM
MT58L128L18F_2.p65 – Rev. 6/01
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2000,MicronTechnology,Inc.
2
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