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參數(shù)資料
| 型號： | Am29LV002T-90REEB |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | 2 Megabit (256 K x 8-Bit) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| 中文描述： | 2兆位（256畝× 8位），3.0伏的CMOS只，引導扇區(qū)閃存 |
| 文件頁數(shù)： | 15/34頁 |
| 文件大小： | 448K |
| 代理商： | AM29LV002T-90REEB |
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Am29LV002
15
P R E L I M I N A R Y
Table 5.
Am29LV002 Command Definitions
Legend:
X = Don’t care
RA = Address of the memory location to be read.
RD = Data read from location RA during read operation.
PA = Address of the memory location to be programmed.
Addresses are latched on the falling edge of the WE# or CE#
pulse.
PD = Data to be programmed at location PA. Data is latched
on the rising edge of WE# or CE# pulse.
SA = Address of the sector to be erased or verified. Address
bits A17–A13 uniquely select any sector.
Notes:
1. See Table 1 for descriptions of bus operations.
2. All values are in hexadecimal.
3. Except when reading array or autoselect data, all bus
cycles are write operations.
4. Address bits A17–A11 are don’t care for unlock and
command cycles, except when PA or SA is required.
5. No unlock or command cycles required when device is in
read mode.
6. The Reset command is required to return to the read
mode when the device is in the autoselect mode or if DQ5
goes high.
7. The fourth cycle of the autoselect command sequence is
a read cycle.
8. The data is 00h for an unprotected sector and 01h for a
protected sector.
9. The system may read and program functions in non-
erasing sectors, or enter the autoselect mode, when n the
Erase Suspend mode. The Erase Suspend command is
valid only during a sector erase operation.
10. The Erase Resume command is valid only during the
Erase Suspend mode.
Command Sequence
(Note 1)
Bus Cycles (Notes 2–4)
Third
First
Second
Fourth
Fifth
Sixth
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Read (Note 5)
Reset (Note 6)
1
1
RA
XXX
RD
F0
Manufacturer ID
Device ID,
Top Boot Block
Device ID,
Bottom Boot Block
4
555
AA
2AA
55
555
90
X00
01
4
555
AA
2AA
55
555
90
X01
40
C2
Sector Protect
Verify (Note 8)
4
555
AA
2AA
55
555
90
SA
X02
00
01
Byte Program
Chip Erase
4
6
555
555
AA
AA
2AA
2AA
55
55
555
555
A0
80
PA
555
PD
AA
2AA
55
555
10
Sector Erase
6
555
AA
2AA
55
555
80
555
AA
2AA
55
SA
30
Erase Suspend (Note 9)
Erase Resume (Note 10)
1
1
XXX
XXX
B0
30
C
A
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AM29LV004BB-120EC | 制造商:Advanced Micro Devices 功能描述:NOR Flash, 512K x 8, 40 Pin, Plastic, TSSOP |
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| AM29LV004BB-120EIT | 制造商:Rochester Electronics LLC 功能描述: 制造商:Advanced Micro Devices 功能描述: |
| am29lv004bt-120ed | 制造商:Advanced Micro Devices 功能描述: |
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