參數(shù)資料
型號(hào): 29F4000
廠商: Macronix International Co., Ltd.
英文描述: 4M-BIT [512Kx8/256Kx16] CMOS FLASH MEMORY
中文描述: 4分位[512Kx8/256Kx16]的CMOS閃存
文件頁(yè)數(shù): 33/44頁(yè)
文件大小: 710K
代理商: 29F4000
33
P/N:PM0439
MX29F400T/B
REV. 1.6, NOV. 12, 2001
CHIP UNPROTECTION ALGORITHM FOR SYSTEM WITH 12V
START
Protect All Sectors
PLSCNT=1
Chip Unprotect
Complete
Data=00H
Yes
Set OE=A9=VID
CE=VIL,A6=1
Activate WE Pulse
Time Out 12ms
Set OE=CE=VIL
A9=VID,A1=1
Set Up First Sector Addr
All sectors have
been verified
Remove VID from A9
Write Reset Command
Device Failed
PLSCNT=1000
No
Increment
PLSCNT
No
Read Data from Device
Yes
Yes
No
Increment
Sector Addr
* It is recommended before unprotect whole chip, all sectors should be protected in advance.
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29F400B-12PC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4MEGABIT (512K x 8/ 256K x 16) 5VOLT SECTOR ERASE CMOS FLASH MEMORY
29F400B-12PI 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4MEGABIT (512K x 8/ 256K x 16) 5VOLT SECTOR ERASE CMOS FLASH MEMORY
29F400B-12TC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4MEGABIT (512K x 8/ 256K x 16) 5VOLT SECTOR ERASE CMOS FLASH MEMORY
29F400B-12TI 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4MEGABIT (512K x 8/ 256K x 16) 5VOLT SECTOR ERASE CMOS FLASH MEMORY
29F400B-90PC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4MEGABIT (512K x 8/ 256K x 16) 5VOLT SECTOR ERASE CMOS FLASH MEMORY