MT58L128L32F1 Micron Semiconductor Products, Inc., MT58L128L32F1 Datasheet - Page 23

• Manufacturer Part Number: MT58L128L32F1
• Description: 4Mb Syncburst SRAM, 3.3V Vdd, 3.3V or 2.5V I/O, Flow-Through,
• Manufacturer: Micron Semiconductor Products, Inc.

READ/WRITE TIMING PARAMETERS
NOTE: 1. Q(A4) refers to output from address A4. Q(A4 + 1) refers to output from the next internal burst address following A4.
4Mb: 256K x 18, 128K x 32/36 Flow-Through SyncBurst SRAM
MT58L256L18F1_F.p65 – Rev. F, Pub. 1/03 EN
BWa#-BWd#
SYMBOL
t
f
t
t
t
t
t
t
t
KC
KF
KH
KL
KQ
OELZ
OEHZ
AS
ADSS
ADDRESS
(NOTE 4)
(NOTE 2)
ADSC#
ADSP#
BWE#,
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 CE#
3. The data bus (Q) remains in High-Z following a WRITE cycle unless an ADSP#, ADSC# or ADV# cycle is performed.
4. GW# is HIGH.
5. Back-to-back READs may be controlled by either ADSP# or ADSC#.
6. Timing is shown assuming that the device was not enabled before entering into this sequence.
Q
D
is HIGH, CE2# is HIGH and CE2 is LOW.
MIN MAX MIN MAX MIN MAX MIN MAX UNITS
7.5
2.5
2.5
1.5
1.5
0
-6.8
A1
133
6.8
3.5
High-Z
t ADSS
t CES
t AS
8.8
2.5
2.5
1.5
1.5
Q(A1)
0
Back-to-Back READs
A2
-7.5
t ADSH
t CEH
t KH
t AH
(NOTE 5)
113
7.5
4.2
t KC
t KL
3.0
3.0
1.8
1.8
10
Q(A2)
0
-8.5
t OEHZ
100
8.5
5.0
A3
4.0
4.0
2.0
2.0
15
0
-10
READ/WRITE TIMING
5.0
66
10
Single WRITE
t WS
t DS
D(A3)
MHz
t DH
t WH
ns
ns
ns
ns
ns
ns
ns
ns
FLOW-THROUGH SYNCBURST SRAM
23
A4
t OELZ
SYMBOL
t
t
t
t
t
t
t
t
WS
DS
CES
AH
ADSH
WH
DH
CEH
t KQ
4Mb: 256K x 18, 128K x 32/36
Q(A4)
6
Micron Technology, Inc., reserves the right to change products or specifications without notice.
MIN MAX MIN MAX MIN MAX MIN MAX UNITS
1.5
1.5
0.5
0.5
0.5
0.5
0.5
1.5
(NOTE 1)
Q(A4+1)
BURST READ
-6.8
1.5
1.5
0.5
0.5
0.5
0.5
0.5
1.5
Q(A4+2)
-7.5
Q(A4+3)
1.8
1.8
0.5
0.5
0.5
0.5
0.5
1.8
DON’T CARE
-8.5
D(A5)
©2003, Micron Technology, Inc.
2.0
2.0
0.5
0.5
0.5
0.5
0.5
2.0
A5
Back-to-Back
-10
WRITEs
UNDEFINED
D(A6)
A6
ns
ns
ns
ns
ns
ns
ns
ns