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參數(shù)資料
| 型號： | A29040AV-55 |
| 廠商： | AMIC Technology Corporation |
| 英文描述： | Fuse; Current Rating:1A; Voltage Rating:600V; Voltage Rating:600V; Voltage, AC:600V RoHS Compliant: NA |
| 中文描述： | 為512k × 8位CMOS 5.0伏只，統(tǒng)一部門快閃記憶體 |
| 文件頁數(shù)： | 13/30頁 |
| 文件大?。?/td> | 285K |
| 代理商： | A29040AV-55 |
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A29040A Series
I/O
3
: Sector Erase Timer
PRELIMINARY (August, 2001, Version 0.1)
13
AMIC Technology, Inc.
After writing a sector erase command sequence, the
system may read I/O
3
to determine whether or not an
erase operation has begun. (The sector erase timer does
not apply to the chip erase command.) If additional
sectors are selected for erasure, the entire time-out also
applies after each additional sector erase command.
When the time-out is complete, I/O
3
switches from "0" to
"1." The system may ignore I/O
3
if the system can
guarantee that the time between additional sector erase
commands will always be less than 50
μ
s. See also the
"Sector Erase Command Sequence" section.
After the sector erase command sequence is written, the
system should read the status on I/O
7
(
Data
Polling) or
I/O
6
(Toggle Bit 1) to ensure the device has accepted the
command sequence, and then read I/O
3
. If I/O
3
is "1", the
internally controlled erase cycle has begun; all further
commands (other than Erase Suspend) are ignored until
the erase operation is complete. If I/O
3
is "0", the device
will accept additional sector erase commands. To ensure
the command has been accepted, the system software
should check the status of I/O
3
prior to and following each
subsequent sector erase command. If I/O
3
is high on the
second status check, the last command might not have
been accepted. Table 5 shows the outputs for I/O
3
.
START
Read I/O
7
-I/O
0
Toggle Bit
= Toggle
Program/Erase
Operation Not
Commplete, Write
Reset Command
Yes
Notes :
1. Read toggle bit twice to determine whether or not it is
toggling. See text.
2. Recheck toggle bit because it may stop toggling as I/O
5
changes to "1". See text.
No
Read I/O
7
- I/O
0
Twice
I/O
5
= 1
Toggle Bit
= Toggle
Yes
Yes
Program/Erase
Operation
Commplete
No
No
Read I/O
7
-I/O
0
(Notes 1,2)
Figure 4. Toggle Bit Algorithm
(Note 1)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| A29040V-90 | 512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| A29040L-120 | 512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| A29040L-150 | 512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| A29040L-55 | 512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| A29040L-70 | 512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A29040AV-70 | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| A29040AV-90 | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| A29040B | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| A29040B-55 | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| A29040B-55F | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
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