ESMT
F49L800UA/F49L800BA
Table 4. F49L800UA/F49L800BA Auto-Select Mode (High Voltage Method)
Description
Mode
A18 A11
to to
A8
to
A5
to
DQ8
to
DQ7
to
CE
OE
WE
A12 A10 A9 A7 A6 A2 A1 A0
DQ15
DQ0
Manufacturer ID: ESMT
Device ID:
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
X
X
VID
X
L
X
L
L
X
22H
X
7FH
DAH
DAH
5BH
Word
F49L800UA
X
X
VID
X
L
X
L
H
(Upper Boot Block)
Byte
Word
Byte
Device ID:
22H
X
F49L800BA
X
X
X
VID
VID
X
X
L
L
X
X
L
H
L
(Bottom Boot Block)
5BH
01H
(protected)
00H
(unprotected)
X
Sector Protection Verification
L
L
H
SA
H
X
L= Logic Low=VIL, H= Logic High=VIH, SA= Sector Address, X= Don’t care.
Notes :
1.Manufacturer and device codes may also be accessed via the software command sequence in Table 5.
Elite Semiconductor Memory Technology Inc.
Publication Date : May. 2007
Revision: 1.2 6/47
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
