AM27C020 datasheet(7/12 Pages) AMD

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Am27C020

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 VSS

All pins except A9, VPP, VCC . . –0.6 V to VCC + 0.6 V

A9 and VPP (Note 2) . . . . . . . . . . . . . –0.6 V to 13.5 V

VCC (Note 1). . . . . . . . . . . . . . . . . . . . . –0.6 V to 7.0 V

Notes:

1. Minimum DC voltage on input or I/O pins –0.5 V. During

voltage transitions, the input may overshoot VSS to –2.0 V

for periods of up to 20 ns. Maximum DC voltage on input

and I/O pins is VCC + 5 V. During voltage transitions, input

and I/O pins may overshoot to VCC + 2.0 V for periods up

to 20 ns.

2. Minimum DC input voltage on A9 is –0.5 V. During voltage

transitions, A9 and VPP may overshoot VSS to –2.0 V for

periods of up to 20 ns. A9 and VPP must not exceed +13.5

V at any time.

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.

OPERATING RANGES

Commercial (C) Devices

Ambient Temperature (TA) . . . . . . . . . . .0°C to +70°C

Industrial (I) Devices

Ambient Temperature (TA) . . . . . . . . .–40°C to +85°C

Extended (E) Devices

Ambient Temperature (TA) . . . . . . . .–55°C to +125°C

Supply Read Voltages

VCC for ± 5% devices . . . . . . . . . . +4.75 V to +5.25 V

VCC for ± 10% devices . . . . . . . . . +4.50 V to +5.50 V

Operating ranges define those limits between which the func-

tionality of the device is guaranteed.

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