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參數(shù)資料
| 型號(hào)： | 29400 |
| 廠(chǎng)商： | AMIC Technology Corporation |
| 英文描述： | 512K X 8 Bit / 256K X 16 Bit CMOS 5.0 Volt-only, Boot Sector Flash Memory |
| 中文描述： | 為512k × 8位/ 256 × 16位的CMOS 5.0伏只，引導(dǎo)扇區(qū)閃存 |
| 文件頁(yè)數(shù)： | 2/33頁(yè) |
| 文件大?。?/td> | 497K |
| 代理商： | 29400 |
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The host system can detect whether a program or erase
operation is complete by reading the I/O
7
(
Data
Polling) and
I/O
6
(toggle) status bits. After a program or erase cycle has
been completed, the device is ready to read array data or
accept another command.
The sector erase architecture allows memory sectors to be
erased and reprogrammed without affecting the data
contents of other sectors. The A29400 is fully erased when
shipped from the factory.
The hardware sector protection feature disables operations
for both program and erase in any combination of the
Pin Configurations
n
SOP
A29400 Series
PRELIMINARY (February, 2001, Version 0.1)
2
AMIC Technology, Inc.
sectors of memory. This can be achieved via programming
equipment.
The Erase Suspend feature enables the user to put erase on
hold for any period of time to read data from, or program
data to, any other sector that is not selected for erasure.
True background erase can thus be achieved.
Power consumption is greatly reduced when the device is
placed in the standby mode.
The hardware RESET pin terminates any operation in
progress and resets the internal state machine to reading
array data.
n
TSOP (I)
RY/BY
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
VSS
OE
I/O
0
I/O
14
I/O
8
I/O
7
I/O
15
(A-1)
VSS
BYTE
A16
A15
A14
A12
A11
A10
WE
A8
A9
A13
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
NC
RESET
17
18
19
20
21
22
28
27
26
25
24
23
I/O
1
I/O
9
I/O
2
I/O
10
I/O
3
I/O
11
I/O
6
I/O
13
I/O
5
I/O
12
I/O
4
VCC
A29400V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
A14
A13
A12
A11
A10
A9
A8
NC
NC
WE
RESET
NC
NC
RY/BY
NC
A17
A7
A6
A5
A4
A3
A2
A1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
I/O
2
I/O
9
1
I/O
8
I/O
0
OE
VSS
CE
A0
I/O
10
I/O
3
I/O
11
VCC
I/O
4
I/O
12
I/O
5
I/O
13
I/O
6
I/O
14
I/O
7
I/O
15
(A-1)
VSS
A16
A15
25
26
27
29
30
31
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