MT55L128L32F1 Micron Semiconductor Products, Inc., MT55L128L32F1 Datasheet - Page 2

• Manufacturer Part Number: MT55L128L32F1
• Description: 4Mb ZBT SRAM, 3.3V Vdd, 3.3V or 2.5V I/O, Flow-Through,
• Manufacturer: Micron Semiconductor Products, Inc.

NOTE: Functional block diagrams illustrate simplified device operation. See truth tables, pin descriptions and timing diagrams for
4Mb: 256K x 18, 128K x 32/36 Flow-Through ZBT SRAM
MT55L256L18F1_F.p65 – Rev. F, Pub. 1/03 EN
CKE#
CLK
CKE#
CLK
detailed information.
SA0, SA1, SA
SA0, SA1, SA
ADV/LD#
ADV/LD#
BWa#
BWb#
BWd#
BWc#
MODE
R/W#
BWb#
BWa#
MODE
CE2#
R/W#
K
OE#
CE#
CE2
CE2#
K
OE#
CE#
CE2
CE
CE
17
18
ADDRESS
REGISTER
ADDRESS
REGISTER
READ LOGIC
READ LOGIC
WRITE ADDRESS
FUNCTIONAL BLOCK DIAGRAM
FUNCTIONAL BLOCK DIAGRAM
WRITE ADDRESS
AND DATA COHERENCY
AND DATA COHERENCY
REGISTER
REGISTER
WRITE REGISTRY
CONTROL LOGIC
WRITE REGISTRY
CONTROL LOGIC
ADV/LD#
ADV/LD#
17
18
K
K
SA1
SA0
SA1
SA0
128K x 32/36
D1
D0
D1
D0
256K x 18
BURST
LOGIC
BURST
LOGIC
15
16
2
18
36
Q1
Q0
Q1
Q0
SA0'
SA1'
SA0'
SA1'
18
DRIVERS
DRIVERS
17
WRITE
WRITE
18
4Mb: 256K x 18, 128K x 32/36
17
18
17
FLOW-THROUGH ZBT SRAM
Micron Technology, Inc., reserves the right to change products or specifications without notice.
256K x 9 x 2
128K x 8 x 4
128K x 9 x 4
MEMORY
MEMORY
ARRAY
ARRAY
(x32)
(x36)
REGISTER
REGISTER
INPUT
INPUT
M
N
A
E
E
P
S
S
S
E
M
N
A
S
E
S
E
P
S
E
D
A
A
N
G
T
S
T
E
E
R
I
D
A
A
N
G
T
S
T
E
E
R
I
O
U
U
B
U
R
T
P
T
F
F
E
S
O
U
U
B
U
R
T
P
T
F
F
E
S
E
18
E
36
©2003, Micron Technology, Inc.
18
36
DQs
DQs