PC16550DN datasheet(3/22 Pages) NSC

3 / 22 page

Absolute Maximum Ratings

Temperature Under Bias

0 Cto a70 C

Storage Temperature

65 Cto a150 C

All Input or Output Voltages

with Respect to VSS

05V to a70V

Power Dissipation

Note

Maximum ratings indicate limits beyond which perma-

nent damage may occur Continuous operation at these lim-

its is not intended and should be limited to those conditions

specified under DC electrical characteristics

DC Electrical Characteristics

TA e 0 Cto a70 C VDD ea5V g10% VSS e 0V unless otherwise specified

Symbol

Parameter

Conditions

Min

Max

Units

VILX

Clock Input Low Voltage

VIHX

Clock Input High Voltage

VDD

VIL

Input Low Voltage

VIH

Input High Voltage

VDD

VOL

Output Low Voltage

IOL e 16 mA on all (Note 1)

VOH

Output High Voltage

IOH eb10 mA (Note 1)

ICC(AV)

Average Power Supply

VDD e 55V TA e 25 C

Current

No Loads on output

SIN DSR DCD

CTS RI e 20V

All other inputs e 08V

IIL

Input Leakage

VDD e 55V VSS e 0V

ICL

Clock Leakage

All other pins floating

VIN e 0V 55V

IOZ

TRI-STATE Leakage

VDD e 55V VSS e 0V

VOUT e 0V 525V

1) Chip deselected

2) WRITE mode

chip selected

VILMR

MR Schmitt VIL

VIHMR

MR Schmitt VIH

Note 1

Does not apply to XOUT

Capacitance TA e 25 C VDD e VSS e 0V

Symbol

Parameter

Conditions

Min

Typ

Max

Units

CXIN

Clock Input Capacitance

fc e 1 MHz

CXOUT

Clock Output Capacitance

Unmeasured pins

CIN

Input Capacitance

returned to VSS

COUT

Output Capacitance

CIO

InputOutput Capacitance

PC16550DN 数据表(PDF) 3 Page - National Semiconductor (TI)

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