EN29F040 Datasheet, PDF (5/32 Pages) List of Unclassifed Manufacturers – 4 Megabit (512K x 8-bit) Flash Memory

EN29F040
TABLE 3. OPERATING MODES
4M FLASH USER MODE TABLE
C E WE OE A9 A8 A6 A5 A1 A0 Ax/y
DQ(0-7)
USER MODE
STANDBY
READ
OUTPUT DISABLE
READ
MANUFACTURE ID
READ DEVICE ID
VERIFY SECTOR
PROTECTION
SECTOR
PROTECTION
VERIFY SECTOR
UNPROTECTION
SECTOR
UNPROTECTION
WRITE
H
X
X
X
X
X
X
X
X
X
HI-Z
L
H
L
A9
A8
A6
A5
A1
A0 Ax/y
DQ (0-7)
L
H
H
X
X
X
X
X
X
X
HI-Z
L
H
L
VID L/H
L
X
L
L
X MANUFACTURE
ID
L
H
L
VID L/H
L
X
L
H
X DEVICE ID (T/B)
L
H
L
VID
X
L
X
H
L
X
CODE
L Pulse VID VID
X
L
X
X
X
X
L
L
H
L
VID
X
H
X
H
L
X
X
CODE
Pulse VID VID
L
X
X
H
X
X
X
L
L
L
H
A9
A8
A6
A5
A1
A0 Ax/y
X
DIN (0-7)
NOTES:
1) L = VIL, H = VIH, VID = 11.0V ± 0.5V
2) X = Don’t care, either VIH or VIL
3) Ax/y: Ax = Addr(x), Ay = Addr(y)
TABLE 4. DEVICE IDENTIFICTION
4M FLASH MANUFACTURER/DEVICE ID TABLE
A8
A6
A1 A0
READ
MANUFACTURER ID
H⁽¹⁾
L
READ
DEVICE ID
H⁽²⁾
L
L
L
L
H
DQ(7-0)
HEX
MANUFACTURER ID
1C
DEVICE ID
04
NOTES:
1) If a Manufacturing ID is read with A8 = L, the chip will output a configuration code 7Fh. A further
Manufacturing ID must be read with A8 = H.
2) If a Device ID is read with A8 = L, the chip will output a configuration code 7Fh. A further Device ID
must be read with A8 = H.
4800 Great America Parkway, Suite 202
5
Santa Clara, CA 95054
Rev. D, Issue Date: 2001/07/05
Tel: [phone]
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