AS29LV800B-120SC ANADIGICS [ANADIGICS, Inc], AS29LV800B-120SC Datasheet - Page 6

• Manufacturer Part Number: AS29LV800B-120SC
• Manufacturer: ANADIGICS [ANADIGICS, Inc]

Command format
1
2
3
4
5
6
March 2001
Command sequence
Reset/Read
Reset/Read
Autoselect
ID Read
Program
Unlock bypass
Unlock bypass program
Unlock bypass reset
Chip Erase
Sector Erase
Sector Erase Suspend
Sector Erase Resume
3/22/01; V.1.0
Bus operations defined in "Mode definitions," on page 3.
Reading from and programming to non-erasing sectors allowed in Erase Suspend mode.
Address bits A11-A18 = X = Don’t Care for all address commands except where Program Address and Sector Address are required.
Data bits DQ15-DQ8 are don’t care for unlock and command cycles.
The Unlock Bypass command must be initiated before the Unlock Bypass Program command.
The Unlock Bypass Reset command returns the device to reading array data when it is in the unlock bypass mode.
×16
×8
×16
×8
×16
×8
×16
×8
×16
×8
×16
×8
×16
×8
×16
×8
Required bus
write cycles
1
4
3
2
2
6
6
1
1
3
3
Address
AAAh
AAAh
AAAh
AAAh
AAAh
AAAh
AAAh
XXXh
555h
555h
555h
555h
555h
555h
555h
XXXh
XXXh
555
AAA
XXX
XXX
1st bus cycle
Data
AAh
AAh
AAh
AAh
AAh
AAh
A0h
AAh
AAh
F0h
90h
B0h
30h
Program
Address
Address
Alliance Semiconductor
address
2AAh
555h
2AAh
555h
2AAh
555h
2AAh
555h
2AAh
555h
2AAh
555h
2AAh
555h
Read
2AA
555
XXX
2nd bus cycle
Read Data
Program
Data
55h
55h
55h
55h
55h
55h
data
00h
55h
55h
Address
AAAh
AAAh
AAAh
AAAh
AAAh
AAAh
AAAh
555h
555h
555h
555h
555h
555h
555h
AAA
555
3rd bus cycle
®
Data
90h
90h
90h
A0h
20h
80h
80h
F0h
Sector protection
Sector protection
Program Address
Read Address
Device code
Device code
MFR code
XXX02h
XXX04h
Address
AAAh
AAAh
555h
555h
01h
02h
00h
4th bus cycle
DAh (T) 5Bh
Program Data
22DAh (T)
225Bh (B)
0001h = protected
0000h = unprotected
0001h=protected
0000h=unprotected
0052h
Data
Read
Data
52h
AAh
AAh
(B)
Address
2AAh
2AAh
555h
555h
5th bus cycle
Data
55h
55h
AS29LV800
Address
Address
AAAh
555h
Sector
6th bus cycle
P. 6 of 25
Data
10h
30h