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參數資料
| 型號： | MT58L64L32FT-6.8 |
| 廠商： | Micron Technology, Inc. |
| 英文描述： | 2Mb: 128K x 18, 64K x 32/36 FLOW-THROUGH SYNCBURST SRAM |
| 中文描述： | 2MB的：128K的× 18，64K的x 32/36流通過SYNCBURST的SRAM |
| 文件頁數： | 12/24頁 |
| 文件大?。?/td> | 488K |
| 代理商： | MT58L64L32FT-6.8 |
12
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, Micron Technology, Inc.
2Mb: 128K x 18, 64K x 32/36
FLOW-THROUGH SYNCBURST SRAM
NOTE:
1. Test conditions as specified with the output loading shown in Figure 1 for 3.3V I/O (V
DD
Q = +3.3V +0.3V/-0.165V) and
Figure 3 for 2.5V I/O (V
DD
Q = +2.5V +0.4V/-0.125V).
2. Measured as HIGH above V
IH
and LOW below V
IL
.
3. This parameter is measured with the output loading shown in Figure 2 for 3.3V I/O and Figure 4 for 2.5V I/O.
4. This parameter is sampled.
5. Transition is measured ±500mV from steady state voltage.
6. Refer to Technical Note TN-58-09,
“
Synchronous SRAM Bus Contention Design Considerations,
”
for a more thorough
discussion on these parameters.
7. OE# is a
“
Don
’
t Care
”
when a byte write enable is sampled LOW.
8. A READ cycle is defined by byte write enables all HIGH or ADSP# LOW for the required setup and hold times. A WRITE
cycle is defined by at least one byte write enable LOW and ADSP# HIGH for the required setup and hold times.
9. This is a synchronous device. All addresses must meet the specified setup and hold times for all rising edges of CLK
when either ADSP# or ADSC# is LOW and chip enabled. All other synchronous inputs must meet the setup and hold
times with stable logic levels for all rising edges of clock (CLK) when the chip is enabled. Chip enable must be valid at
each rising edge of CLK when either ADSP# or ADSC# is LOW to remain enabled.
ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS
(Note 1) (0
°
C
≤
T
A
≤
+70
°
C; V
DD
= +3.3V +0.3V/-0.165V)
-6.8
-7.5
-8.5
-10
DESCRIPTION
Clock
Clock cycle time
Clock frequency
Clock HIGH time
Clock LOW time
Output Times
Clock to output valid
Clock to output invalid
Clock to output in Low-Z
Clock to output in High-Z
OE# to output valid
OE# to output in Low-Z
OE# to output in High-Z
Setup Times
Address
Address status (ADSC#, ADSP#)
Address advance (ADV#)
Byte write enables
(BWa#-BWd#, GW#, BWE#)
Data-in
Chip enable (CE#)
Hold Times
Address
Address status (ADSC#, ADSP#)
Address advance (ADV#)
Byte write enables
(BWa#-BWd#, GW#, BWE#)
Data-in
Chip enable (CE#)
SYMBOL
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX UNITS NOTES
t
KC
f
KF
t
KH
t
KL
8.0
8.8
10.0
15
ns
125
113
100
66
MHz
ns
ns
1.8
1.8
1.9
1.9
1.9
1.9
4.0
4.0
2
2
t
KQ
t
KQX
t
KQLZ
t
KQHZ
t
OEQ
t
OELZ
t
OEHZ
6.8
7.5
8.5
10.0
ns
ns
ns
ns
ns
ns
ns
1.5
1.5
1.5
1.5
3.0
1.5
3.0
1.5
3
3, 4, 5, 6
3, 4, 5, 6
7
3, 4, 5, 6
3, 4, 5, 6
3.8
3.8
4.2
4.2
5.0
5.0
5.0
5.0
0
0
0
0
3.8
4.2
5.0
5.0
t
AS
t
ADSS
t
AAS
t
WS
1.8
1.8
1.8
1.8
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
ns
ns
ns
ns
8, 9
8, 9
8, 9
8, 9
t
DS
t
CES
1.8
1.8
2.0
2.0
2.0
2.0
2.5
2.5
ns
ns
8, 9
8, 9
t
AH
t
ADSH
t
AAH
t
WH
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
ns
ns
ns
ns
8, 9
8, 9
8, 9
8, 9
t
DH
t
CEH
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
ns
ns
8, 9
8, 9
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