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AM29PL160CB-65REF 数据表(PDF) 11 Page - Advanced Micro Devices

部件名 AM29PL160CB-65REF
功能描述  16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 3.0 Volt-only High Performance Page Mode Flash Memory
PDF  44 Pages
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制造商  AMD [Advanced Micro Devices]
网页  http://www.amd.com
标志 AMD - Advanced Micro Devices

AM29PL160CB-65REF 数据表(HTML) 11 Page - Advanced Micro Devices

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May 9, 2006 22143C7
Am29PL160C
9
D A TA
SH EE T
Page Mode Read
The Am29PL160C is capable of fast Page mode read
and is compatible with the Page mode Mask ROM
read operation. This mode provides faster read access
speed for random locations within a page. The Page
size of the Am29PL160C device is 8 words, or 16
bytes, with the appropriate Page being selected by the
higher address bits A3–A19 and the LSB bits A0–A2
(in the word mode) and A-1 to A2 (in the byte mode)
determining the specific word/byte within that page.
This is an asynchronous operation with the micropro-
cessor supplying the specific word or byte location.
The random or initial page access is equal to tACC or
tCE and subsequent Page read accesses (as long as
the locations specified by the microprocessor falls
within that Page) is equivalent to tPACC. When CE# is
deasserted and reasserted for a subsequent access,
the access time is tACC or tCE. Here again, CE# selects
the device and OE# is the output control and should be
used to gate data to the output pins if the device is se-
lected. Fast Page mode accesses are obtained by
keeping A3–A19 constant and changing A0 to A2 to
select the specific word, or changing A-1 to A2 to se-
lect the specific byte, within that page.
The following tables determine the specific word and
byte within the selected page:
Table 2.
Word Mode
Table 3.
Byte Mode
Word
A2
A1
A0
Word 0
000
Word 1
001
Word 2
010
Word 3
011
Word 4
100
Word 5
101
Word 6
110
Word 7
111
Byte
A2
A1
A0
A-1
Byte 0
0
0
0
0
Byte 1
0
0
0
1
Byte 2
0
0
1
0
Byte 3
0
0
1
1
Byte 4
0
1
0
0
Byte 5
0
1
0
1
Byte 6
0
1
1
0
Byte 7
0
1
1
1
Byte 8
1
0
0
0
Byte 9
1
0
0
1
Byte 10
1
0
1
0
Byte 11
1
0
1
1
Byte 12
1
1
0
0
Byte 13
1
1
0
1
Byte 14
1
1
1
0
Byte 15
1
1
1
1



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