AM27C256-120DCB AMD [Advanced Micro Devices], AM27C256-120DCB Datasheet - Page 7

• Manufacturer Part Number: AM27C256-120DCB
• Description: 256 Kilobit (32 K x 8-Bit) CMOS EPRO
• Manufacturer: AMD [Advanced Micro Devices]

ABSOLUTE MAXIMUM RATINGS
Storage Temperature
OTP Products. . . . . . . . . . . . . . . . . . –65 C to +125 C
All Other Products . . . . . . . . . . . . . . –65 C to +150 C
Ambient Temperature
with Power Applied. . . . . . . . . . . . . . –55 C to +125 C
Voltage with Respect to V
All pins except A9, V
A9 and V
V
Notes:
1. Minimum DC voltage on input or I/O pins –0.5 V. During
2. Minimum DC input voltage on A9 is –0.5 V. During voltage
Stresses above those listed under “Absolute Maximum Rat-
ings” may cause permanent damage to the device. This is a
stress rating only; functional operation of the device at these
or any other conditions above those indicated in the opera-
tional sections of this specification is not implied. Exposure of
the device to absolute maximum ratings for extended periods
may affect device reliability.
CC
voltage transitions, the input may overshoot V
for periods of up to 20 ns. Maximum DC voltage on input
and I/O pins is V
and I/O pins may overshoot to V
to 20 ns.
transitions, A9 and V
periods of up to 20 ns. A9 and V
V at any time.
(Note 1). . . . . . . . . . . . . . . . . . . . . –0.6 V to 7.0 V
PP
(Note 2) . . . . . . . . . . . . . –0.6 V to 13.5 V
CC
PP
+ 5 V. During voltage transitions, input
PP
, V
may overshoot V
CC
SS
. . –0.6 V to V
PP
CC
must not exceed +13.5
+ 2.0 V for periods up
SS
to –2.0 V for
CC
SS
to –2.0 V
+ 0.6 V
Am27C256
OPERATING RANGES
Commercial (C) Devices
Ambient Temperature (T
Industrial (I) Devices
Ambient Temperature (T
Extended (E) Devices
Ambient Temperature (T
Supply Read Voltages
V
V
Operating ranges define those limits between which the func-
tionality of the device is guaranteed.
CC
CC
for ± 5% devices . . . . . . . . . . +4.75 V to +5.25 V
for ± 10% devices . . . . . . . . . +4.50 V to +5.50 V
A
A
A
) . . . . . . . . . . .0 C to +70 C
) . . . . . . . . .–40 C to +85 C
) . . . . . . . .–55 C to +125 C
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