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| 型號(hào)： | A29010-55 |
| 廠商： | AMIC Technology Corporation |
| 英文描述： | 128K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| 中文描述： | 128K的× 8位CMOS 5.0伏只，統(tǒng)一部門(mén)快閃記憶體 |
| 文件頁(yè)數(shù)： | 12/30頁(yè) |
| 文件大?。?/td> | 288K |
| 代理商： | A29010-55 |
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A29010 Series
PRELIMINARY (August, 2001, Version 0.3)
12
AMIC Technology, Inc.
Write Operation Status
Several bits, I/O
2
, I/O
3
, I/O
5
, I/O
6
, and I/O
7,
are provided in
the A29010 to determine the status of a write operation.
Table 5 and the following subsections describe the
functions of these status bits. I/O
7
, I/O
6
and I/O
2
each offer
a method for determining whether a program or erase
operation is complete or in progress. These three bits are
discussed first.
I/O
7
:
Data
Polling
The
Data
Polling bit, I/O
7
, indicates to the host system
whether an Embedded Algorithm is in progress or
completed, or whether the device is in Erase Suspend.
Data
Polling is valid after the rising edge of the final
WE
pulse in the program or erase command sequence.
During the Embedded Program algorithm, the device
outputs on I/O
7
the complement of the datum programmed
to I/O
7
. This I/O
7
status also applies to programming during
Erase Suspend. When the Embedded Program algorithm
is complete, the device outputs the datum programmed to
I/O
7
. The system must provide the program address to
read valid status information on I/O
7
. If a program address
falls within a protected sector,
Data
Polling on I/O
7
is
active for approximately 2
μ
s, then the device returns to
reading array data.
During the Embedded Erase algorithm,
Data
Polling
produces a "0" on I/O
7
. When the Embedded Erase
algorithm is complete, or if the device enters the Erase
Suspend mode,
Data
Polling produces a "1" on I/O
7
.This
is analogous to the complement/true datum output
described for the Embedded Program algorithm: the erase
function changes all the bits in a sector to "1"; prior to this,
the device outputs the "complement," or "0." The system
must provide an address within any of the sectors selected
for erasure to read valid status information on I/O
7
.
After an erase command sequence is written, if all sectors
selected for erasing are protected,
Data
Polling on I/O
7
is
active for approximately 100
μ
s, then the device returns to
reading array data. If not all selected sectors are protected,
the Embedded Erase algorithm erases the unprotected
sectors, and ignores the selected sectors that are
protected.
When the system detects I/O
7
has changed from the
complement to true data, it can read valid data at I/O
7
- I/O
0
on the following read cycles. This is because I/O
7
may
change asynchronously with I/O
0
- I/O
6
while Output Enable
(
OE
) is asserted low. The
Data
Polling Timings (During
Embedded Algorithms) figure in the "AC Characteristics"
section illustrates this. Table 5 shows the outputs for
Data
Polling on I/O
7
. Figure 3 shows the
Data
Polling algorithm.
START
Read I/O
7
-I/O
0
Address = VA
I/O
7
= Data
FAIL
No
Note :
1. VA = Valid address for programming. During a sector
erase operation, a valid address is an address within any
sector selected for erasure. During chip erase, a valid
address is any non-protected sector address.
2. I/O
7
should be rechecked even if I/O
5
= "1" because
I/O
7
may change simultaneously with I/O
5
.
No
Read I/O
7
- I/O
0
Address = VA
I/O
5
= 1
I/O
7
= Data
Yes
No
PASS
Yes
Yes
Figure 3. Data Polling Algorithm
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| A29010L-55 | 128K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| A29010L-70 | 128K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| A29010L-90 | 128K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
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| A29010-90 | Circular Connector; No. of Contacts:22; Series:TVS06; Body Material:Metal; Connecting Termination:Crimp; Connector Shell Size:13; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:13-35 |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| A29010-70 | 制造商:AMICC 制造商全稱(chēng):AMIC Technology 功能描述:128K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| A29010-70F | 制造商:AMIC Technology 功能描述:MEMORY FLASH NOR 5V 1M 32DIP 制造商:AMIC Technology 功能描述:MEMORY, FLASH, NOR, 5V, 1M, 32DIP 制造商:AMIC Technology 功能描述:MEMORY, FLASH, NOR, 5V, 1M, 32DIP; Memory Type:Flash - NOR; Memory Size:1Mbit; Memory Configuration:128K x 8bit; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Memory Case Style:DIP; No. of Pins:32; Access Time:70ns; Interface ;RoHS Compliant: Yes |
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| A29010L-70 | 制造商:AMICC 制造商全稱(chēng):AMIC Technology 功能描述:128K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
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