ES29LV160F Datasheet, PDF (66/71 Pages) Excel Semiconductor Inc. – 16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory

ES29LV160F
Excel Semiconductor Inc.
Table A4. Security-lock check by A9 High-voltage method
DQ8~DQ15
Description CE# OE# WE# A9
A6
A1
A0
BYTE# BYTE#
= VIH
=VIL
Security
Sector
Indicator
L
L
H
VID
L
H
H
X
X
Bit(DQ7)
DQ7 ~DQ0
82h (Factory
Locked), 02h
(Unlocked).
42h(Customer
Locked)
A6. Manufacturer Code of ESI
Manufacturer code of ESI is 4Ah. This manufacturer code can be easily read out from the device
by autoselect command. Once after the device enters the auto-select mode, it can be accessed by
one of two ways. Just one read cycle ( with A6, A1 and A0 = 0 ) can be used or four consecutive
read cycles ( with A6 = 1 and A1, A0 = 0 ) for continuation code (7Fh) and then another last cycle
for (with A6, A1 and A0 = 0) can be used for reading the ESI manufacturer code (4Ah)
Table A5. One-cycle and Five-cycle read for Manufacturer Code ( ESI = 4Ah )
Status
Autoselect command
( 3 unlock cycles )
Manufacturer Code
Read Cycles
Cycles
1st
2nd
3rd
1st
2nd
3rd
4th
5th
One-cycle Read
Address
( Word/Byte)
555/AAA
2AA/555
555/AAA
00
Data
AA
55
90
4A
Five-cycle Read
Address
555/AAA
2AA/555
555/AAA
40
40
40
40
00
Data
AA
55
90
7F
7F
7F
7F
4A
Rev.0A (Dec 12, 2007) 66