參數(shù)資料
型號(hào): V29C51004B
廠商: Mosel Vitelic, Corp.
英文描述: High Speed 4 MEGA Bit 5 Volt CMOS Flash Memory(高速4M位5V CMOS閃速存儲(chǔ)器)
中文描述: 高速4兆的5伏的CMOS閃存(高速分位5V的CMOS閃速存儲(chǔ)器)
文件頁(yè)數(shù): 11/16頁(yè)
文件大?。?/td> 87K
代理商: V29C51004B
11
V29C51004T/V29C51004B Rev. 1.2 February 1999
MOSEL V ITELIC
V29C51004T/V29C51004B
Boot Block Protection Status
In Autoselect mode, performing a read at
address location 3CXX2H (V29C51004T) or
0CXX2H (V29C51004B) will indicate boot block
protection status. If the data is 01H, the boot block
is protected. If the data is 00H, the boot block is
unprotected. This is also shown is table 3.
Device ID
In Autoselect mode, performing a read at
address XXX1H will determine whether the device
is a Top Boot Block device or a Bottom Boot Block
device. If the data is 03H, the device is a Top Boot
Block. If the data is A3H, the device is a Bottom
Boot Block device (see Table 3).
Manufacturer ID
In Autoselect mode, performing a read at
address XXXX0H will determine the manufacturer
ID. 40H is the manufacturer code for Mosel Vitelic
Flash.
Hardware Data Protection
V
CC
Detection:the program operation is inhibited
when VCC is less than 3.5V.
Noise Protection:a CE or WE pulse of less than
5ns will not initiate a program cycle.
Program Inhibit:holding any one of OE LOW, CE
HIGH or WE HIGH inhibits a program cycle.
Table 3. Autoselect Decoding
NOTE:
1.
X = Don’t Care, V
IH
= HIGH, V
IL
= LOW.
Decoding Mode
Boot Block
Address
Data I/O
0
–I/O
7
A
0
A
1
A
2
–A
13
A
14
–A
17
Boot Block Protection
Top
V
IL
V
IH
X
V
IH
01H: protected
Bottom
V
IL
V
IH
X
V
IL
00H: unprotected
Device ID
Top
V
IH
V
IL
X
X
03H
Bottom
A3H
Manufacture ID
V
IL
V
IL
X
X
40H
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