A29L400A AMICC [AMIC Technology], A29L400A Datasheet - Page 6

• Manufacturer Part Number: A29L400A
• Description: 512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory
• Manufacturer: AMICC [AMIC Technology]

Absolute Maximum Ratings*
Storage Temperature Plastic Packages. . . .-65°C to + 150°C
Ambient Temperature with Power Applied.. -55°C to + 125°C
Voltage with Respect to Ground
VCC (Note 1) . . . . . . . . . . . . . . . . . . . . . ……. -0.5V to +4.0V
A9,
All other pins (Note 1) . . . . . . . . . . . . …-0.5V to VCC + 0.5V
Output Short Circuit Current (Note 3) . . …. . . . . . .
Notes:
1. Minimum DC voltage on input or I/O pins is -0.5V. During
2. Minimum DC input voltage on A9,
3. No more than one output is shorted at a time. Duration of
Device Bus Operations
Legend:
L = Logic Low = V
Notes:
1. Addresses are A17:A0 in word mode (
2. See the “Sector Protection/Unprotection” section and Temporary Sector Unprotect for more information.
PRELIMINARY
This section describes the requirements and use of the
device bus operations, which are initiated through the
internal command register. The command register itself does
not occupy any addressable memory location. The register is
composed of latches that store the commands, along with
the address and data information needed to execute the
Write
Read
CMOS Standby
Output Disable
Hardware Reset
Sector Protect
(See Note 2)
Sector Unprotect
(See Note 2)
Temporary Sector
Unprotect
voltage transitions, input or I/O pins may undershoot VSS
to -2.0V for periods of up to 20ns. Maximum DC voltage
on input and I/O pins is VCC +0.5V. During voltage
transitions, input or I/O pins may overshoot to VCC +2.0V
for periods up to 20ns.
0.5V. During voltage transitions, A9,
may overshoot VSS to -2.0V for periods of up to 20ns.
Maximum DC input voltage on A9 is +12.5V which may
overshoot to 14.0V for periods up to 20ns.
the short circuit should not be greater than one second.
OE
Operation
& RESET (Note 2) . . . . . . . . . . . ….. -0.5 to +12.5V
IL
, H = Logic High = V
(July, 2005, Version 0.0)
VCC ± 0.3 V
CE
X
X
L
L
L
L
L
OE
IH
H
H
X
X
H
H
X
OE
L
Table 1. A29L400A Device Bus Operations
, V
BYTE =V
ID
and RESET is
WE
= 12.0 ± 0.5V, X = Don't Care, D
OE
H
X
H
X
X
L
L
L
and RESET
VCC ± 0.3 V
IH
RESET
), A17: A
200mA
V
V
V
H
H
H
L
ID
ID
ID
-
-1
5
in byte mode (
A6=H, A1=H, A0=L
A6=L, A1=H, A0=L
Sector Address,
Sector Address,
*Comments
Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to this device.
These are stress ratings only. Functional operation of
this device at these or any other conditions above
those indicated in the operational sections of these
specification is not implied or intended. Exposure to
the absolute maximum rating conditions for extended periods
may affect device reliability.
Operating Ranges
Commercial (C) Devices
Ambient Temperature (T
Extended Range Devices
Ambient Temperature (T
VCC Supply Voltages
VCC for all devices . . . . . . . . . . . . . . .. . . . . . +2.7V to +3.6V
Operating ranges define those limits between which the
functionally of the device is guaranteed.
command. The contents of the register serve as inputs to the
internal state machine. The state machine outputs dictate the
function of the device. The appropriate device bus operations
table lists the inputs and control levels required, and the
resulting output. The following subsections describe each of
these operations in further detail.
A0 – A17
(Note 1)
A
A
A
X
X
X
IN
IN
IN
IN
= Data In, D
BYTE =V
I/O
High-Z
High-Z
High-Z
D
0
D
D
D
D
IL
OUT
OUT
- I/O
).
IN
IN
IN
IN
A
A
= Data Out, A
) . . . . . . . . . . . . . . . . 0°C to +70°C
) . . . . . . . . . . . . . . . -40°C to +85°C
7
AMIC Technology, Corp.
BYTE
High-Z
High-Z
High-Z
D
A29L400A Series
D
D
OUT
X
X
IN
IN
=V
IN
I/O
IH
= Address In
8
I/O
- I/O
BYTE
8
~I/O
I/O
15
High-Z
High-Z
High-Z
High-Z
15
X
X
X
4
=A
=High-Z
=V
-1
IL