BS640HD8V datasheet(55/89 Pages) AMD

55 / 89 page

May 10, 2006 27024B3

Am29BDS128H/Am29BDS640H

D A TA

SH EE T

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 Inputs and I/Os except

as noted below (Note 1) . . . . . . . –0.5 V to VIO + 0.5 V

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

VIO . . . . . . . . . . . . . . . . . . . . . . . . .–0.5 V to +2.5 V

A9, RESET#, ACC (Note 1) . . . . . –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, inputs or I/Os may undershoot VSS to

–2.0 V for periods of up to 20 ns. See Figure 10.

Maximum DC voltage on input or 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 11.

2. 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.

3. 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.

Figure 10.

Maximum Negative

Overshoot Waveform

Figure 11.

Maximum Positive

Overshoot Waveform

OPERATING RANGES

Industrial (I) Devices

Ambient Temperature (TA) . . . . . . . . . –40°C to +85°C

Supply Voltages

VCC Supply Voltages . . . . . . . . . . .+1.65 V to +1.95 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . VCC ≥ VIO–100 mV

VIO Supply Voltages . . . . . . . . . . . +1.65 V to +1.95 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

20 ns

VCC

+2.0 V

VCC

+0.5 V

20 ns

1.0 V

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