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~ National ~ Semiconductor - Al Kossow's Bitsavers

~ National ~ Semiconductor - Al Kossow's Bitsavers

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1.0 Absolute Maximum Ratings<br />

If Military/Aerospace specified devices are required, <strong>Al</strong>l Input or Output Voltages<br />

contact the <strong>National</strong> <strong>Semiconductor</strong> Sales Office/ with Respect to Vss -0.5Vto +7.OV<br />

Distributors for availability and specifications. Power Dissipation 700mW<br />

Temperature Under Bias O·Cto +70·C Note: Maximum ratings indicate limits beyond which perma-<br />

Storage Temperature - 65·C to + 150·C nent damage may occur. Continuous operation at these limits<br />

is not intended and should be limited to those conditions<br />

specified under DC electrical characteristics.<br />

2.0 DC Electrical Characteristics<br />

TA = o·c to +70·C, Vcc = + 5V ± 5%, Vss = OV, unless otherwise specified.<br />

NS16450<br />

INS8250A<br />

Symbol Parameter Conditions NS16C450 (Note 1) INS82C50A (Note 1) Units<br />

Min Max Min Max<br />

VILX Clock Input Low Voltage -0.5 0.8 -0.5 0.8 V<br />

VIHX Clock Input High Voltage 2.0 Vcc 2.0 Vcc V<br />

VIL Input Low Voltage -0.5 0.8 -0.5 0.8 V<br />

VIH Input High Voltage 2.0 Vcc 2.0 Vcc V<br />

VOL Output Low Voltage IOL = 1.6 mA on all (Note 2) 0.4 0.4 V<br />

VOH Output High Voltage IOH = -1.0 mA (Note 2) 2.4 2.4 V<br />

IcC

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