ESMT
F49L320UA/F49L320BA
Operation Temperature Condition -40°C~85°C
Table 4. F49L320UA/F49L320BA Auto-Select Mode (High Voltage Method)
A20 A11
to to
A12 A10
A8
A5
DQ8
to
DQ15
DQ7
to
Description Mode CE# OE# WE#
A9 to A6 to A3 A2 A1 A0
A7
X
A4
X
DQ0
8Ch
7Fh
7Fh
7Fh
L
L
H
H
L
H
L
Manufacturer
ESMT
ID:
L
L
H
X
X
VID
L
L
L
X
H
Word
Byte
L
L
L
L
H
H
22h
X
F6h
F6h
Device ID:
F49L320UA
X
X
X
X
VID
VID
X
X
L
L
X
X
L
L
L
L
L
H
H
Word
Byte
L
L
L
L
H
H
22h
X
F9h
Device ID:
F49L320BA
L
F9h
01h
(protected)
X
Sector
Verification
Protection
L
L
L
L
L
L
H
H
H
SA
X
X
X
X
VID
VID
VID
X
X
X
L
L
L
X
X
X
L
L
L
L
L
L
H
H
H
L
H
H
00h
X
X
X
X
X
(unprotected)
8D (factory
locked)
0D (not factory
locked)
9D (factory
locked)
1D (not factory
locked)
Sector Silicon Sector
Indicator Bit (DQ7)
F49L320UA
Sector Silicon Sector
Indicator Bit (DQ7)
F49L320BA
X
Notes :
L = Logic Low = VIL, H = Logic High = VIH, SA = Sector Address, X = Don’t care.
1.Manufacturer and device codes may also be accessed via the software command sequence in Table 5.
Elite Semiconductor Memory Technology Inc.
Publication Date : Sep. 2008
Revision: 1.1 9/55
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
