參數(shù)資料
型號: 29SL800CB-90
廠商: Macronix International Co., Ltd.
英文描述: 8M-BIT [1Mx8/512K x16] CMOS SINGLE VOLTAGE 1.8V ONLY FLASH MEMORY
中文描述: 800萬位[1Mx8/512K x16] CMOS單電壓僅1.8V的閃存
文件頁數(shù): 21/64頁
文件大小: 750K
代理商: 29SL800CB-90
21
P/N:PM1224
MX29SL800C T/B
REV. 1.0, APR. 20, 2006
a logical "1" at Q0 for the protected sector.
CHIP UNPROTECTED
The MX29SL800C T/B also features the chip unprotected
mode, so that all sectors are unprotected after chip un-
protected is completed to incorporate any changes in the
code. It is recommended to protect all sectors before
activating chip unprotected mode.
To activate this mode, the programming equipment must
force VID on control pin OE# and address pin A9. The
CE# pins must be set at VIL. Pins A6 must be set to
VIH. Refer to chip unprotected algorithm and waveform
for the chip unprotected algorithm. The unprotection
mechanism begins on the falling edge of the WE# pulse
and is terminated on the rising edge.
It is also possible to determine if the chip is unprotected
in the system by writing the Read Silicon ID command.
Performing a read operation with A1=VIH, it will produce
00H at data outputs (Q0-Q7) for an unprotected sector.
It is noted that all sectors are unprotected after the chip
unprotected algorithm is completed.
相關(guān)PDF資料
PDF描述
29SL800CT-90 8M-BIT [1Mx8/512K x16] CMOS SINGLE VOLTAGE 1.8V ONLY FLASH MEMORY
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