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參數(shù)資料
| 型號： | 29LV040C-55R |
| 廠商： | Macronix International Co., Ltd. |
| 英文描述： | 4M-BIT [512K x 8] CMOS SINGLE VOLTAGE 3V ONLY EQUAL SECTOR FLASH MEMORY |
| 中文描述： | 4分位[為512k × 8] CMOS單電壓3V只等于部門閃存 |
| 文件頁數(shù)： | 16/52頁 |
| 文件大?。?/td> | 499K |
| 代理商： | 29LV040C-55R |
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16
P/N:PM1149
MX29LV040C
REV. 1.3, APR. 24, 2006
CHIP UNPROTECT
The MX29LV040C also features the chip unprotect mode,
so that all sectors are unprotected after chip unprotect
is completed to incorporate any changes in the code. It
is recommended to protect all sectors before activating
chip unprotect 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 unprotect algorithm and waveform for
the chip unprotect algorithm. The unprotected mecha-
nism 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
unprotect algorithm is completed.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 29LV040C-70 | 4M-BIT [512K x 8] CMOS SINGLE VOLTAGE 3V ONLY EQUAL SECTOR FLASH MEMORY |
| 29LV040C-90 | 4M-BIT [512K x 8] CMOS SINGLE VOLTAGE 3V ONLY EQUAL SECTOR FLASH MEMORY |
| 29LV160BE | 16M (2M X 8/1M X 16) BIT |
| 29LV160B | 16M-BIT [2Mx8/1Mx16] CMOS SINGLE VOLTAGE 3V ONLY FLASH MEMORY |
| 29LV160B | 16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 29LV040C-70 | 制造商:MCNIX 制造商全稱:Macronix International 功能描述:4M-BIT [512K x 8] CMOS SINGLE VOLTAGE 3V ONLY EQUAL SECTOR FLASH MEMORY |
| 29LV040C-90 | 制造商:MCNIX 制造商全稱:Macronix International 功能描述:4M-BIT [512K x 8] CMOS SINGLE VOLTAGE 3V ONLY EQUAL SECTOR FLASH MEMORY |
| 29LV160B | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| 29LV160BE | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16M (2M X 8/1M X 16) BIT |
| 29LV160BT-90V | 制造商: 功能描述: 制造商:undefined 功能描述: |
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