AM27C64 查看數據表（PDF） - Advanced Micro Devices

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AM27C64

64 Kilobit (8,192 x 8-Bit) CMOS EPROM

Advanced Micro Devices 

AMD

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 + 0.5 V

A9 and VPP . . . . . . . . . . . . . . . . –0.6 V to +13.5 V

VCC . . . . . . . . . . . . . . . . . . . . . . . –0.6 V to +7.0 V

Notes:

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

transitions, the inputs may overshoot VSS to –2.0 V for pe-

riods of up to 20 ns. Maximum DC voltage on input and I/O

pins is VCC + 0.5 V which may overshoot to VCC + 2.0 V for

periods up to 20 ns.

2. For A9 and VPP the minimum DC input is –0.5 V. During

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

for any period of 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 rating conditions for ex-

tended 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 Commercial (E) Devices

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

Supply Read Voltages

VCC for Am27C64-XX5 . . . . . . +4.75 V to +5.25 V

VCC for Am27C64-XX0 . . . . . . +4.50 V to +5.50 V

Operating ranges define those limits between which the func-

tionality of the device is guaranteed.

2-16

Am27C64

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