參數(shù)資料
型號(hào)： S29AL016M90TFIR20
廠商： SPANSION LLC
元件分類(lèi)： DRAM
英文描述： 16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY
中文描述： 1M X 16 FLASH 3V PROM, 90 ns, PDSO48
封裝： MO-142DD, LEAD FREE, TSOP-48
文件頁(yè)數(shù)： 26/59頁(yè)
文件大?。?/td> 1917K
代理商： S29AL016M90TFIR20
27
S29AL016M
S29AL016M_00A4 April 21, 2004
Notes:
See Tables 10 and 11 for program command sequence.
Figure 4. Program Operation
Chip Erase Command Sequence
Chip erase is a six bus cycle operation. The chip erase command sequence is ini-
tiated by writing two unlock cycles, followed by a set-up command. Two
additional unlock write cycles are then followed by the chip erase command,
which in turn invokes the Embedded Erase algorithm. The device does
not
require
the system to preprogram prior to erase. The Embedded Erase algorithm auto-
matically preprograms and verifies the entire memory for an all zero data pattern
prior to electrical erase. The system is not required to provide any controls or tim-
ings during these operations. Tables
10
–
11
show the address and data
requirements for the chip erase command sequence.
Note that the SecSi Sector,
autoselect, and CFI functions are unavailable when an erase operation is in
progress.
Any commands written to the chip during the Embedded Erase algorithm are ig-
nored. Note that a
hardware reset
during the chip erase operation immediately
terminates the operation. The Chip Erase command sequence should be reiniti-
ated once the device has returned to reading array data, to ensure data integrity.
The system can determine the status of the erase operation by using DQ7, DQ6,
DQ2, or RY/BY#. See
“Autoselect Command Sequence”
for information on these
status bits. When the Embedded Erase algorithm is complete, the device returns
to reading array data and addresses are no longer latched.
START
Write Program
Command Sequence
Data Poll
from System
Verify Data
No
Yes
Last Address
No
Yes
Programming
Completed
Increment Address
Embedded
Program
algorithm
in progress
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S29AL016M90TFIR22 制造商:Spansion 功能描述:FLASH PARALLEL 3V/3.3V 16MBIT 2MX8/1MX16 90NS 48TSOP - Tape and Reel
S29AL016M90TFIR23 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY
S29AL032D070TFI042 制造商:Spansion 功能描述:32M (X8/X16) 3V, BOT BOOT, TSOP48, IND, HAZMAT, T&R - Tape and Reel
S29AL032D70BAI000 制造商:Spansion 功能描述:NOR Flash Parallel 3.3V 32Mbit 4M x 8bit 70ns 48-Pin FBGA Tray
S29AL032D70BAI030 制造商:Spansion 功能描述:NOR Flash Parallel 3V/3.3V 32Mbit 4M/2M x 8bit/16bit 70ns 48-Pin FBGA Tray
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