參數(shù)資料
型號(hào)： AM29F002BT-70
廠商： Advanced Micro Devices, Inc.
元件分類： DC/DC變換器
英文描述： RP12 (AW) Series - Powerline Regulated DC-DC Converters; Input Voltage (Vdc): 24V; Output Voltage (Vdc): 3.3V; 4:1 Wide Input Voltage Range; 12 Watts Regulated Output Power; 1.6kVDC Isolation; Over Current and Over Voltage Protection; Five-Sided Shield; No Derating to 61??C; Standard DIP24 Pinning; Efficiency to 88%
中文描述： 2兆位（256畝× 8位）的CMOS 5.0伏，只引導(dǎo)扇區(qū)閃存
文件頁(yè)數(shù)： 15/40頁(yè)
文件大?。?/td> 792K
代理商： AM29F002BT-70
14
Am29F002B/Am29F002NB
November 28, 2000
interrupts can be re-enabled after the last Sector Erase
command is written. If the time between additional
sector erase commands can be assumed to be less
than 50 μs, the system need not monitor DQ3.
Any
command other than Sector Erase or Erase
Suspend during the time-out period resets the
device to reading array data.
The system must
rewrite the command sequence and any additional
sector addresses and commands.
The system can monitor DQ3 to determine if the sector
erase timer has timed out. (See the “DQ3: Sector
Erase Timer” section.) The time-out begins from the
rising edge of the final WE# pulse in the command
sequence.
Once the sector erase operation has begun, only the
Erase Suspend command is valid. All other commands
are ignored. On the Am29F002B only, note that a
hard-
ware reset
during the sector erase operation
immediately terminates the operation. The Sector
Erase command sequence should be reinitiated once
the device has returned to reading array data, to
ensure data integrity.
When the Embedded Erase algorithm is complete, the
device returns to reading array data and addresses are
no longer latched. The system can determine the
status of the erase operation by using DQ7, DQ6, or
DQ2. Refer to “Write Operation Status” for information
on these status bits.
Figure 3 illustrates the algorithm for the erase opera-
tion. Refer to the Erase/Program Operations tables in
the “AC Characteristics” section for parameters, and to
the Sector Erase Operations Timing diagram for timing
waveforms.
Notes:
1. See the appropriate Command Definitions table for erase
command sequence.
2. See “DQ3: Sector Erase Timer” for more information.
Figure 3.
Erase Operation
START
Write Erase
Command Sequence
Data Poll
from System
Data = FFh
No
Yes
Erasure Completed
Embedded
Erase
algorithm
in progress
相關(guān)PDF資料
PDF描述
Am29F002B-120PCB High Speed CMOS Logic Non-Inverting Quad 2-Input Multiplexer with 3-State Outputs 16-CDIP -55 to 125
AM29F002B-120PE High Speed CMOS Logic Non-Inverting Quad 2-Input Multiplexer with 3-State Outputs 16-CDIP -55 to 125
Am29F002B-120PEB High Speed CMOS Logic Inverting Quad 2-Input Multiplexer with 3-State Outputs 16-CDIP -55 to 125
AM29F002B-120PI High Speed CMOS Logic Inverting Quad 2-Input Multiplexer with 3-State Outputs 16-CDIP -55 to 125
Am29F002B-120PIB High Speed CMOS Logic 8-Bit Addressable Latch 16-CDIP -55 to 125
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM29F002BT70JI 制造商:Advanced Micro Devices 功能描述:
AM29F002BT-70JI 制造商:Spansion 功能描述:NOR Flash Parallel 5V 2Mbit 256K x 8bit 70ns 32-Pin PLCC
AM29F002BT-90JC 制造商:Advanced Micro Devices 功能描述: 制造商:Advanced Micro Devices 功能描述:NOR Flash, 256K x 8, 32 Pin, Plastic, PLCC
AM29F002NB-55JC 制造商:Advanced Micro Devices 功能描述:256K X 8 FLASH 5V PROM, 55 ns, PQCC32
AM29F002NB-55PC 制造商:Advanced Micro Devices 功能描述:256K X 8 FLASH 5V PROM, 55 ns, PDIP32
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