AM29BDS643D datasheet(27/46 Pages) AMD

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Am29BDS643D

PRELI M INARY

ABSOLUTE MAXIMUM RATINGS

Storage Temperature

Plastic Packages . . . . . . . . . . . . . . . –65°C to +150°C

Ambient Temperature

with Power Applied. . . . . . . . . . . . . . –65°C to +125°C

Voltage with Respect to Ground,

All I/Os except VPP (Note 1). . . –0.5 V to VCC + 0.5 V

VCC (Note 1) . . . . . . . . . . . . . . . . . .–0.5 V to +2.5 V

VPP (Note 2) . . . . . . . . . . . . . . . . .–0.5 V to +12.5 V

Output Short Circuit Current (Note 3) . . . . . . 100 mA

Notes:

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

voltage transitions, input at I/Os may undershoot VSS to

–2.0 V for periods of up to 20 ns during voltage transitions

inputs might overshooot to VCC +0.5 V for periods up to

20 ns. See Figure 5. Maximum DC voltage on output and

I/Os is VCC + 0.5 V. During voltage transitions outputs

may overshoot to VCC + 2.0 V for periods up to 20 ns. See

Figure 6.

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

voltage transitions, VPP may overshoot VSS to –2.0 V for

periods of up to 20 ns. See Figure 5. Maximum DC input

voltage on VPP 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.

4. 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 de-

vice 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 condi-

tions 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

VCC Supply Voltages

VCC Supply Voltages . . . . . . . . . . . . .+1.7 V to +1.9 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 5.

Maximum Negative

Overshoot Waveform

20 ns

VCC

+2.0 V

VCC

+0.5 V

20 ns

1.0 V

Figure 6.

Maximum Positive

Overshoot Waveform

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