AM29F080B datasheet(21/37 Pages) AMD

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Am29F080B

P R E L I M I NARY

ABSOLUTE MAXIMUM RATINGS

Storage Temperature

Plastic Packages . . . . . . . . . . . . . . . –65

°C to +125°C

Ambient Temperature

with Power Applied. . . . . . . . . . . . . . –55

°C to +125°C

Voltage with Respect to Ground

VCC (Note 1) . . . . . . . . . . . . . . . .–2.0 V to +7.0 V

A9, OE#, RESET# (Note 2) . . . . –2.0 V to +12.5 V

All other pins (Note 1) . . . . . . . . . –2.0 V to +7.0 V

Output Short Circuit Current (Note 3) . . . . . . 200 mA

Notes:

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

voltage transitions, inputs may overshoot VSS to –2.0 V

for periods of up to 20 ns. See Figure 6. Maximum DC

voltage on output and I/O pins is VCC + 0.5 V. During

voltage transitions, outputs may overshoot to VCC + 2.0 V

for periods up to 20 ns. See Figure 7.

2. Minimum DC input voltage on A9, OE#, RESET# pins is

–0.5V. During voltage transitions, A9, OE#, RESET# pins

may overshoot VSS to –2.0 V for periods of up to 20 ns.

See Figure 6. Maximum DC input voltage on A9, OE#,

and RESET# is 12.5 V which may overshoot to 13.5 V for

periods up to 20 ns.

3. No more than one output shorted at a time. Duration of

the short circuit should not be greater than one second.

Stresses greater than those listed in this section may cause

permanent damage to the device. This is a stress rating only;

functional operation of the device at these or any other condi-

tions above those indicated in the operational sections of this

specification is not implied. Exposure of the device to absolute

maximum rating conditions for extended periods may affect de-

vice reliability.

21503-11

Figure 6.

Maximum Negative Overshoot

Waveform

21503-12

Figure 7.

Maximum Negative Overshoot

Waveform

OPERATING RANGES

Commercial (C) Devices

Case Temperature (TC) . . . . . . . . . . . . . 0°C to +70°C

Industrial (I) Devices

Case Temperature (TC) . . . . . . . . . . . –40°C to +85°C

VCC Supply Voltages

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

VCC for± 10% devices . . . . . . . . . . . .+4.5 V to +5.5 V

Operating ranges define those limits between which the

functionality of the device is guaranteed.

20 ns

+0.8 V

–0.5 V

20 ns

–2.0 V

20 ns

VCC

+2.0 V

VCC

+0.5 V

20 ns

2.0 V

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