AS29LV800
March 2001
®
Programming using unlock bypass command
Unlock bypass command sequence
x16 mode (address/data)
START
555h/AAh
2AAh/55h
555h/20h
Write unlock
bypass command
(3 cycles)
Write unlock
bypass program command
(2 cycles)
Unlock bypass program
command sequence
x16 mode (address/data)
DATA polling or
toggle bit
xxxh/A0h
successfully completed
program address/
program data
Increment
address
Last
NO
address?
Unlock bypass reset
command sequence
x16 mode (address/data)
YES
xxxh/90h
xxxh/00h
Write unlock
bypass reset command
(2 cycles)
Programming completed
3/22/01; V.1.0
Alliance Semiconductor
P. 12 of 25