AM29F004B datasheet(22/37 Pages) AMD

22 / 37 page

Am29F004B

8/5/05

AD VA NC E

IN FO RM AT ION

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# (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:

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

transitions, input or I/O pins may overshoot VSS to –2.0 V for

periods of up to 20 ns. See Figure 7, on page 20. 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 8, on page 20.

Minimum DC input voltage on pins A9 and OE# is –0.5 V. During

voltage transitions, A9 and OE# may overshoot VSS to –2.0 V for

periods of up to 20 ns. See Figure 7, on page 20. Maximum DC

input voltage on pin A9 is +12.5 V which may overshoot to +13.5

V for periods up to 20 ns.

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 Ratings 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 operational sections of this data sheet is

not implied. Exposure of the device to absolute maximum rating con-

ditions for extended periods may affect device reliability.

OPERATING RANGES

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

Figure 7.

Maximum Negative Overshoot Waveform

20 ns

VCC

+2.0 V

VCC

+0.5 V

20 ns

2.0 V

Figure 8.

Maximum Positive Overshoot Waveform

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