EN29F040A EON [Eon Silicon Solution Inc.], EN29F040A Datasheet - Page 5

• Manufacturer Part Number: EN29F040A
• Description: 4 Megabit (512K x 8-bit) Flash Memory
• Manufacturer: EON [Eon Silicon Solution Inc.]

MANUFACTURE ID
OUTPUT DISABLE
READ DEVICE ID
VERIFY SECTOR
VERIFY SECTOR
UNPROTECTION
UNPROTECTION
PROTECTION
PROTECTION
USER MODE
STANDBY
TABLE 3. OPERATING MODES
NOTES:
1)
2)
3)
TABLE 4. DEVICE IDENTIFICTION
NOTES:
This Data Sheet may be revised by subsequent versions
or modifications due to changes in technical specifications.
SECTOR
SECTOR
WRITE
READ
READ
MANUFACTURER ID
L = V
X = Don’t care, either V
1)
2)
Ax/y: Ax = Addr(x), Ay = Addr(y)
DEVICE ID
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.
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.
IL
, H = V
READ
READ
IH
, V
4M FLASH MANUFACTURER/DEVICE ID TABLE
Pulse
C E
ID
H
L
L
L
L
L
L
L
L
L
= 11.0V ± 0.5V
IH
or V
Pulse
H
H
WE
A8
VID
H
H
H
H
H
H
X
L
L
(1)
(2)
4M FLASH USER MODE TABLE
IL
A6
OE
VID
VID
L
L
X
H
H
L
L
L
L
L
VID
VID
VID
VID
VID
A1
A9
A9
A9
L
L
X
X
L
Rev. B, Issue Date: 2004/04/01
5
A0
H
A8
L/H
L/H
L
A8
A8
X
X
X
X
X
X
©2003 Eon Silicon Solution, Inc., www.essi.com.tw
A6
A6
A6
H
X
X
L
L
L
L
X
MANUFACTURER ID
A5
A5
A5
H
X
X
X
X
X
X
X
DEVICE ID
DQ(7-0)
HEX
1C
04
A1
A1
A1
X
X
H
X
H
X
L
L
EN29F040A
A0
A0
A0
X
X
H
X
X
L
L
L
Ax/y
Ax/y
Ax/y
X
X
X
X
X
X
X
X
MANUFACTURE
DEVICE ID (T/B)
DQ(0-7)
DIN (0-7)
DQ (0-7)
CODE
CODE
HI-Z
HI-Z
ID
X
X