參數(shù)資料
型號(hào)： S29PL032J
廠商： Spansion Inc.
英文描述： CMOS 3.0 Volt-only, Simultaneous Read/Write Flash Memory with Enhanced VersatileIO Control
中文描述： 3.0伏的CMOS只，同步讀/寫(xiě)閃存與增強(qiáng)VersatileIO控制記憶
文件頁(yè)數(shù)： 25/106頁(yè)
文件大?。?/td> 1997K
代理商： S29PL032J
April 7, 200531107A62
S29PL127J/S29PL129J/S29PL064J/S29PL032J
23
P R E L I M I N A R Y
Simultaneous Read/Write Operation
In addition to the conventional features (read, program, erase-suspend read, and
erase-suspend program), the device is capable of reading data from one bank of
memory while a program or erase operation is in progress in another bank of
memory (simultaneous operation). The bank can be selected by bank addresses
(PL127J: A22–A20, PL129J and PL064J: A21–A19, PL032J: A20–A18) with zero
latency.
The simultaneous operation can execute multi-function mode in the same bank.
Writing Commands/Command Sequences
To write a command or command sequence (which includes programming data
to the device and erasing sectors of memory), the system must drive WE# and
CE# (CE1# or CE#2 in PL129J) to V
IL
, and OE# to V
IH
.
The device features an
Unlock Bypass
mode to facilitate faster programming.
Once a bank enters the Unlock Bypass mode, only two write cycles are required
to program a word, instead of four. The “Word Program Command Sequence”
section has details on programming data to the device using both standard and
Unlock Bypass command sequences.
An erase operation can erase one sector, multiple sectors, or the entire device.
Table 4
indicates the set of address space that each sector occupies. A “bank ad-
dress” is the set of address bits required to uniquely select a bank. Similarly, a
“sector address” refers to the address bits required to uniquely select a sector.
The “Command Definitions” section has details on erasing a sector or the entire
chip, or suspending/resuming the erase operation.
Word 6
1
1
0
Word 7
1
1
1
Table 4.
Bank Select
Bank
PL127J: A22–A20
PL064J: A21–A19
PL032J: A20–A18
Bank A
000
Bank B
001, 010, 011
Bank C
100, 101, 110
Bank D
111
Bank
CE1#
CE2#
PL129J: A21–A20
Bank 1A
0
1
00
Bank 1B
0
1
01, 10, 11
Bank 2A
1
0
00, 01, 10
Bank 2B
1
0
11
Table 3.
Page Select
(Continued)
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