AM29F800B datasheet(21/39 Pages) AMD

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Am29F800B

P R E L I M I NARY

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) . . . . . . . . . . . . . . . .–2.0 V to +7.0 V

A9, OE#, and

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

All other pins (Note 1) . . . . . . . . . –0.5 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, input or I/O pins may undershoot VSS

to –2.0 V for periods of up to 20 ns. See Figure 6.

Maximum DC voltage on input or I/O pins is VCC +0.5 V.

During voltage transitions, input or I/O pins may overshoot

to VCC +2.0 V for periods up to 20 ns. See Figure 7.

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

is –0.5 V. During voltage transitions, A9, OE#, and

RESET# may undershoot VSS to –2.0 V for periods of up

to 20 ns. See Figure 6. Maximum DC input voltage on pin

A9 is +12.5 V which may overshoot to +13.5 V for periods

up to 20 ns.

3. No more than one output may be shorted to ground at a

time. Duration of the short circuit should not be greater

than one second.

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 data sheet is not implied. Exposure of

the device to absolute maximum rating conditions for extend-

ed periods may affect device reliability.

Figure 6.

Maximum Negative Overshoot

Waveform

Figure 7.

Maximum Positive Overshoot

Waveform

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

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 func-

tionality of the device is guaranteed.

20 ns

+0.8 V

–0.5 V

20 ns

–2.0 V

21504C-10

20 ns

VCC

+2.0 V

VCC

+0.5 V

20 ns

2.0 V

21504C-11

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