NS16C552 Datasheet, PDF(4/24 Page) Texas Instruments – PC16552D Dual Universal Asynchronous Receiver/Transmitter with FIFOs†

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NS16C552 Datasheet, PDF (4/24 Pages) Texas Instruments – PC16552D Dual Universal Asynchronous Receiver/Transmitter with FIFOs†

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1 0 Absolute Maximum Ratings

Temperature under Bias

0 C to a70 C

Storage Temperature

b65 C to a150 C

All Input or Output Voltages

with Respect to VSS

b0 5V to a7 0V

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

2 0 DC Electrical Characteristics

TA e 0 C to a70 C VDD e a5V g10% VSS e 0V unless otherwise specified

Symbol

Parameter

Conditions

VILX

VIHX

VIL

VIH

VOL

VOH

ICC(AV)

Clock Input Low Voltage

Clock Input High Voltage

Input Low Voltage

Input High Voltage

Output Low Voltage

Output High Voltage

Average Power Supply

Current

IOL e 1 6 mA on all (Note 1)

IOH e b1 mA (Note 1)

VDD e 5 5V

No Loads on Output

CS RD WR

SIN DSR DCD

CTS RI e 2V

All Other Inputs e 0 8V

XIN e 24 MHz

Divisor e EFFF

IIL

Input Leakage

ICL

Clock Leakage

VDD e 5 5V VSS e 0V

VIN e 0V 5 5V

IOZ

TRI-STATE Leakage

VDD e 5 5V VSS e 0V

VOUT e 0V 5 5V

1) Chip Deselected

2) WRITE Mode

Chip Selected

VILMR

MR Schmitt VIL

VIHMR

MR Schmitt VIH

Note 1 Does not apply to XOUT

Note 2 TA e 25 C

Min

b0 5

Max

Units

VCC

g10

g20

Capacitance TA e 25 C VDD e VSS e 0V

Symbol

Parameter

Conditions

Min

Typ

Max

Units

CXIN

CXOUT

CIN

COUT

CI O

Clock Input Capacitance

Clock Output Capacitance

Input Capacitance

Output Capacitance

Input Output Capacitance

fc e 1 MHz

Unmeasured Pins

Returned to VSS

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