MM5452 datasheet(2/8 Pages) NSC

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Absolute Maximum Ratings

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Voltage at Any Pin

VSS to VSS a 10V

Operating Temperature

0 Cto a70 C

Storage Temperature

65 Cto a150 C

Power Dissipation

300 mW at a70 C

350 mW at a25 C

Junction Temperature

150 C

Lead Temperature (Soldering 10 sec)

300 C

Electrical Characteristics

TA within operating range VDD e 30V to 10V VSS e 0V unless otherwise specified

Parameter

Conditions

Min

Typ

Max

Units

Power Supply

Power Supply Current

Excluding Outputs

OSC e VSS BPIN

32 Hz

VDD e 5V Open Outputs No Clock

Clock Frequency

500

kHz

Input Voltages

Logical ‘0’ Level

VDD k 475

01 VDD

VDD t 475

Logical ‘1’ Level

VDD l 525

08 VDD

VDD

VDD s 525

VDD

Output Current Levels

Segments

Sink

VDD e 3V VOUT e 03V

Source

VDD e 3V VOUT e VDD b 03V

Backplane

Sink

VDD e 3V VOUT e 03V

320

Source

VDD e 3V VOUT e VDD b 03V

320

Output Offset Voltage

Segment Load 250 pF

Backplane Load 8750 pF (Note 1)

Clock Input Frequency fC

(Notes 2 and 3)

500

kHz

High Time th

950

Low Time tl

950

Data Input

Set-Up Time tDS

300

Hold Time tDH

300

Data Enable Input

100

Set-Up Time tDES

Note 1

This parameter is guaranteed (not 100% production tested) over operating temperature and supply voltage ranges Not to be used in QA testing

Note 2

AC input waveform for test purpose tr s 20 ns tf s 20 ns f e 500 kHz 50% g10% duty cycle

Note 3

Clock input rise and fall times must not exceed 300 ns

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