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参数资料
型号： MT45W2MV16BAFB-706LIT
元件分类： SRAM
英文描述： 2M X 16 PSEUDO STATIC RAM, 70 ns, PBGA54
封装： FBGA-54
文件页数： 10/55页
文件大小： 816K
代理商： MT45W2MV16BAFB-706LIT
2 MEG x 16
ASYNC/PAGE/BURST CellularRAM MEMORY
ADVANCE
09005aef80ec6f63
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Burst CellularRAM_32.fm - Rev. A 2/18/04 EN
18
2004 Micron Technology, Inc. All Rights Reserved.
Burst Length (BCR[2:0])
Default = Continuous Burst
Burst lengths define the number of words the device
outputs during a burst READ operation. The device sup-
ports a burst length of 4, 8, or 16 words. The device can
also be set in continuous burst mode where data is out-
put sequentially without regard to address boundaries.
WRITE bursts are always performed using continuous
burst mode.
Burst Wrap (BCR[3])
Default = Burst No Wrap
The burst wrap option determines if a 4-, 8-, or 16-
word burst READ wraps within the burst length or
steps through sequential addresses. If the wrap option
is not enabled, the device outputs data from sequential
addresses without regard to burst boundaries. When
continuous burst operation is selected, the internal
address wraps to 000000h if the device is read past the
last address.
Output Impedance (BCR[5])
Default = Outputs Use Full Drive Strength
The output driver strength can be altered to adjust
for different data bus loading scenarios. The reduced-
strength option should be more than adequate in
stacked chip (Flash + CellularRAM) environments when
there is a dedicated memory bus. The reduced-drive-
strength option is included to minimize noise generated
on the data bus during READ operations. Normal out-
put impedance should be selected when using a dis-
crete CellularRAM device in a more heavily loaded
data bus environment. Partial drive is approximately
one-quarter full drive strength. Outputs are configured
at full drive strength during testing.
Table 6:
Sequence and Burst Length
BURST WRAP
STARTING
ADDRESS
4-WORD
BURST
LENGTH
8-WORD
BURST LENGTH
16-WORD BURST LENGTH
CONTINUOUS BURST
BCR[3]
WRAP
(DECIMAL)
LINEAR
0Yes
0
0-1-2-3
0-1-2-3-4-5-6-7
0-1-2-3-4-5-6-7-8-9-10-11-12-13-14-15
0-1-2-3-4-5-6-…
1
1-2-3-0
1-2-3-4-5-6-7-0
1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-0
1-2-3-4-5-6-7-…
2
2-3-0-1
2-3-4-5-6-7-0-1
2-3-4-5-6-7-8-9-10-11-12-13-14-15-0-1
2-3-4-5-6-7-8-…
3
3-0-1-2
3-4-5-6-7-0-1-2
3-4-5-6-7-8-9-10-11-12-13-14-15-0-1-2
3-4-5-6-7-8-9-…
4
4-5-6-7-0-1-2-3
4-5-6-7-8-9-10-11-12-13-14-15-0-1-2-3
4-5-6-7-8-9-10-…
5
5-6-7-0-1-2-3-4
5-6-7-8-9-10-11-12-13-14-15-0-1-2-3-4
5-6-7-8-9-10-11-…
6
6-7-0-1-2-3-4-5
6-7-8-9-10-11-12-13-14-15-0-1-2-3-4-5
6-7-8-9-10-11-12-
7
7-0-1-2-3-4-5-6
7-8-9-10-11-12-13-14-15-0-1-2-3-4-5-6
7-8-9-10-11-12-13-…
...
14
14-15-0-1-2-3-4-5-6-7-8-9-10-11-12-13
14-15-16-17-18-19-20-..
15
15-0-1-2-3-4-5-6-7-8-9-10-11-12-13-14
15-16-17-18-19-20-21..
1No
0
0-1-2-3
0-1-2-3-4-5-6-7
0-1-2-3-4-5-6-7-8-9-10-11-12-13-14-15
0-1-2-3-4-5-6-…
1
1-2-3-4
1-2-3-4-5-6-7-8
1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16
1-2-3-4-5-6-7-…
2
2-3-4-5
2-3-4-5-6-7-8-9
2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17
2-3-4-5-6-7-8-…
3
3-4-5-6
3-4-5-6-7-8-9-10
3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18
3-4-5-6-7-8-9-…
4
4-5-6-7-8-9-10-11
4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19
4-5-6-7-8-9-10-…
5
5-6-7-8-9-10-11-12
5-6-7-8-9-10-11-12-13-...-15-16-17-18-19-20
5-6-7-8-9-10-11…
6
6-7-8-9-10-11-12-13
6-7-8-9-10-11-12-13-14-...-16-17-18-19-20-21
6-7-8-9-10-11-12…
7
7-8-9-10-11-12-13-14
7-8-9-10-11-12-13-14-...-17-18-19-20-21-22
7-8-9-10-11-12-13…
...
14
14-15-16-17-18-19-...-23-24-25-26-27-28-29
14-15-16-17-18-19-20-…
15
15-16-17-18-19-20-...-24-25-26-27-28-29-30
15-16-17-18-19-20-21-…
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相关代理商/技术参数
参数描述
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