ABSOLUTE MAXIMUM RATING

Symbol

Parameter

Value

Unit

Supply Voltage: HCC Types

HCF Types

-0.5 to +20

-0.5 to +18

V

V

Input Voltage

V

DC Input Current (any one input)

± 10

mA

Total Power Dissipation (per package)

Dissipation per Output Transistor

for Top = Full Package Temperature Range

200

100

mW

mW

Operating Temperature: HCC Types

HCF Types

-55 to +125

-40 to +85

Storage Temperature

-65 to +150

Stresses above those listed under ”Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress ratingonly and functional

operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure

to absolute maximum rating conditions for external periods may affect device reliability.

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Value

Unit

Supply Voltage: HCC Types

HCF Types

3to 18

3to 15

V

V

Input Voltage

V

Operating Temperature: HCC Types

HCF Types

-55 to +125

-40 to +85

TRUTH TABLE

CLOCK

Write

Enable

Write

1

Write

2

Read

1A

Read

0A

Read

1B

Read

0B

Enable

A

Enable

B

1

S1S2

S1S2

S1S2

1

1

1

1

1

1

S1S2

S1S2

S1S2

1

0

0

0

0

X

X

XX

XX

XX

0

X

Z

Z

Z

10

00

11

01

1

word 0

Word

1 Out

Word

2 Out

00

00

11

01

1

Word

0 not

altered

Word

1 Out

Word

2 Out

X

X

X

X

10

01

1

X

X

Word

2 Out

Word

1 Out

XX

XX

XX

X

1

1

X

NC

NC

1 = HIGH LEVEL, 0 = LOW LEVEL, X = DON’T CARE, Z = HIGH IMPEDANCE

S1 and S2 refer to input strates of either 1 or 0

HCC/HCF40108

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