P R E L I M I N A R Y
Table 1. Am29LV008 User Bus Operations
Operation
CE
OE
WE
A0
A1
A6
A9
DQ0–DQ7
RESET
Autoselect, Manufacturer Code
(Note 1)
L
L
H
L
L
L
V
Code
H
ID
Autoselect, Device Code (Note 1)
Read
L
L
L
L
H
H
A0
X
L
A1
X
L
A6
X
V
Code
RD
H
H
H
H
H
H
H
ID
H
A9
X
Standby
H
L
X
H
H
X
HIGH Z
HIGH Z
PD (Note 2)
Code
Output Disable
H
X
X
X
X
Write
L
L
A0
L
A1
H
A6
L
A9
Enable Sector Protect (Note 3)
Verify Sector Protect (Note 4)
Temporary Sector Unprotect
Reset
L
V
Pulse/H
V
ID
ID
L
L
H
X
X
L
H
L
V
Code
ID
X
X
X
X
X
X
X
X
X
V
ID
X
X
X
X
HIGH Z
L
Legend:
L = V , H = V , V = 12.0 V ± 5%, X = Don’t care. See “DC Characteristics” on page 26 for voltage levels.
IL
IH ID
PD = program data, RD = read data. Refer to Table 3 on page 10 for more information.
Notes:
1. Manufacturer and device codes may also be accessed via a command register write sequence. Refer to Table 5 on page 13.
2. Refer to Table 5 for valid PD during a write operation.
3. Set V = 3.0 volts ± 10%.
CC
4. Refer to “Sector Protection” on page 12.
Am29LV008T/Am29LV008B
7
CYPRESS [ CYPRESS ]
