MT58L128L18F Micron Semiconductor Products, Inc., MT58L128L18F Datasheet - Page 15

• Manufacturer Part Number: MT58L128L18F
• Description: 2Mb Syncburst SRAM, 3.3V Vdd, 3.3V or 2.5V I/O, Flow-Through,
• Manufacturer: Micron Semiconductor Products, Inc.

NOT RECOMENDED FOR NEW DESIGNS
READ TIMING PARAMETERS
NOTE: 1. Q(A2) refers to output from address A2. Q(A2 + 1) refers to output from the next internal burst address following A2.
2Mb: 128K x 18, 64K x 32/36 Flow-Through SyncBurst SRAM
MT58L128L18F_C.p65 – Rev. C, Pub. 11/02
BWE#, GW#,
BWa#-BWd#
SYMBOL
t
f
t
t
t
t
t
t
t
t
t
KC
KF
KH
KL
KQ
KQX
KQLZ
KQHZ
OEQ
OELZ
OEHZ
ADDRESS
(NOTE 2)
ADSC#
ADSP#
ADV#
OE#
CLK
CE#
2. CE2# and CE2 have timing identical to CE#. On this diagram, when CE# is LOW, CE2# is LOW and CE2 is HIGH. When
3. Timing is shown assuming that the device was not enabled before entering into this sequence.
4. Outputs are disabled
Q
CE# is HIGH, CE2# is HIGH and CE2 is LOW.
MIN MAX MIN MAX MIN MAX MIN MAX UNITS
8.0
1.8
1.8
1.5
1.5
0
-6.8
125
6.8
3.8
3.8
3.8
High-Z
t ADSS
t AS
t CES
8.8
1.9
1.9
1.5
1.5
0
A1
-7.5
t ADSH
t KQLZ
t AH
t CEH
t KH
t OEQ
t KQ
113
7.5
4.2
4.2
4.2
t KC
Single READ
t WS
t KL
t
KQHZ after deselect.
10.0
1.9
1.9
3.0
1.5
Q(A1)
0
t WH
-8.5
t OEHZ
100
8.5
5.0
5.0
5.0
t ADSS
A2
4.0
4.0
3.0
1.5
15
t ADSH
0
t OELZ
-10
10.0
5.0
5.0
5.0
t AAS
66
Q(A2)
READ TIMING
t KQX
t AAH
MHz
t KQ
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Q(A2 + 1)
(NOTE 1)
15
FLOW-THROUGH SYNCBURST SRAM
SYMBOL
t
t
t
t
t
t
t
t
t
t
AS
ADSS
AAS
WS
CES
AH
ADSH
AAH
WH
CEH
Q(A2 + 2)
ADV# suspends burst.
2Mb: 128K x 18, 64K x 32/36
Micron Technology, Inc., reserves the right to change products or specifications without notice.
MIN MAX MIN MAX MIN MAX MIN MAX UNITS
1.8
BURST
1.8
1.8
1.8
1.8
0.5
0.5
0.5
0.5
0.5
READ
-6.8
Q(A2 + 3)
2.0
2.0
2.0
2.0
2.0
0.5
0.5
0.5
0.5
0.5
-7.5
2.0
2.0
2.0
2.0
2.0
0.5
0.5
0.5
0.5
0.5
Q(A2)
Burst wraps around
to its initial state.
DONÕT CARE
-8.5
Q(A2 + 1)
©2002, Micron Technology, Inc.
2.5
2.5
2.5
2.5
2.5
0.5
0.5
0.5
0.5
0.5
-10
Deselect Cycle
(Note 4)
UNDEFINED
Q(A2 + 2)
t KQHZ
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns