參數(shù)資料
型號(hào)： AM29PL160CB90EI
廠商： ADVANCED MICRO DEVICES INC
元件分類： PROM
英文描述： High Speed CMOS Logic 8-Bit Universal Shift Register with 3-State Outputs 20-CDIP -55 to 125
中文描述： 2M X 8 FLASH 3V PROM, 90 ns, PDSO48
封裝： TSOP-48
文件頁(yè)數(shù)： 10/44頁(yè)
文件大?。?/td> 987K
代理商： AM29PL160CB90EI
June 12, 2002
Am29PL160C
9
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 t
ACC
or
t
CE
and subsequent Page read accesses (as long as
the locations specified by the microprocessor falls
within that Page) is equivalent to t
PACC
. When CE# is
deasserted and reasserted for a subsequent access,
the access time is t
ACC
or t
CE
. 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
0
0
0
Word 1
0
0
1
Word 2
0
1
0
Word 3
0
1
1
Word 4
1
0
0
Word 5
1
0
1
Word 6
1
1
0
Word 7
1
1
1
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
相關(guān)PDF資料
PDF描述
AM29PL160CB-120 16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 3.0 Volt-only High Performance Page Mode Flash Memory
AM29PL160CB-120EI 16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 3.0 Volt-only High Performance Page Mode Flash Memory
AM29PL160CB-120SI 16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 3.0 Volt-only High Performance Page Mode Flash Memory
AM29PL160CB-120SKI 16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 3.0 Volt-only High Performance Page Mode Flash Memory
AM29PL160CB-65R 16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 3.0 Volt-only High Performance Page Mode Flash Memory
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