參數(shù)資料
型號(hào)： AM29F040B
廠商： Analog Devices, Inc.
英文描述： 4 Megabit (512K x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory(4M位均勻扇區(qū)閃速存儲(chǔ)器)
中文描述： 4兆位（為512k × 8位）的CMOS 5.0伏只，統(tǒng)一部門快閃記憶體（4分位均勻扇區(qū)閃速存儲(chǔ)器）
文件頁數(shù)： 11/30頁
文件大小： 416K
代理商： AM29F040B
Am29F040B
11
if a sector is actively erasing or is erase-suspended.
See “Write Operation Status” for information on these
status bits.
After an erase-suspended program operation is com-
plete, the system can once again read array data within
non-suspended sectors. The system can determine the
status of the program operation using the DQ7 or DQ6
status bits, just as in the standard program operation.
See “Write Operation Status” for more information.
The system may also write the autoselect command
sequence when the device is in the Erase Suspend
mode. The device allows reading autoselect codes
even at addresses within erasing sectors, since the
codes are not stored in the memory array. When the
device exits the autoselect mode, the device reverts to
the Erase Suspend mode, and is ready for another
valid operation. See “Autoselect Command Sequence”
for more information.
The system must write the Erase Resume command
(address bits are “don’t care”) to exit the erase suspend
mode and continue the sector erase operation. Further
writes of the Resume command are ignored. Another
Erase Suspend command can be written after the de-
vice has resumed erasing.
Notes:
1. See the appropriate Command Definitions table for erase
command sequence.
2.
See “DQ3: Sector Erase Timer” for more information.
Figure 2.
Erase Operation
START
Write Erase
Command Sequence
Data Poll
from System
Data = FFh
No
Yes
Erasure Completed
Embedded
Erase
algorithm
in progress
21445C-7
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM29F040B120EC 制造商:AMD 功能描述:*
AM29F040B-120EC 制造商:Advanced Micro Devices 功能描述:NOR Flash, 512K x 8, 32 Pin, Plastic, TSSOP 制造商:SILICON 功能描述:NOR Flash, 512K x 8, 32 Pin, Plastic, TSSOP
AM29F040B-120ED 制造商:Spansion 功能描述:NOR Flash Parallel 5V 4Mbit 512K x 8bit 120ns 32-Pin TSOP 制造商:Spansion 功能描述:Flash Memory IC 制造商:Advanced Micro Devices 功能描述:NOR Flash, 512K x 8, 32 Pin, Plastic, TSSOP
AM29F040B-120EE 制造商:Spansion 功能描述:NOR Flash Parallel 5V 4Mbit 512K x 8bit 120ns 32-Pin TSOP
AM29F040B120JC 制造商:AMD 功能描述:* 制造商:Advanced Micro Devices 功能描述:
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