LS7082 View Datasheet(PDF) - LSI Computer Systems

Part Name

Description

MFG CO.

LS7082

QUADRATURE CLOCK CONVERTER

LSI Computer Systems 

1 2 3 4

ABSOLUTE MAXIMUM RATINGS:

PARAMETER

SYMBOL

DC Supply Voltage

VDD - VSS

Voltage at any input

VIN

Operating temperature

TA

Storage temperature

TSTG

VALUE

11.0

VSS -.3 to VDD +.3

0 to +70

-55 to +150

UNITS

V

V

°C

°C

DC ELECTRICAL CHARACTERISTICS:

(All voltages referenced to VSS, TA = 0°C to 70°C.)

PARAMETER

Supply voltage

Supply current

SYMBOL MIN

VDD

4.5

IDD

-

MAX

10.0

6.0

UNITS

V

µA

x4/x1, x2, INDX Logic Low

A,B Logic Low

VIL

-

0.3VDD

VIL

-

0.6

-

1.0

-

1.1

x4/x1, x2, INDX Logic High

A,B Logic High

VIH

0.7VDD

-

VIH

3.1

-

5.0

-

5.6

-

ALL OUTPUTS:

Sink Current

VOL = 0.4V

IOL

1.75

-

5.0

-

5.7

-

Source Current

IOH

VOH = VDD - 0.5V

TRANSIENT CHARACTERISTICS:

(TA = 0°C to 70°C)

PARAMETER

A,B inputs:

Validation Delay

SYMBOL

TvD

A,B inputs:

Pulse Width

TPW

1.0

-

2.5

-

3.0

-

MIN

-

-

-

TVD+TOW

A to B or B to A

Phase Delay

TPS

TOW

A,B frequency

fA,B

-

V

V

V

V

V

V

V

V

mA

mA

mA

mA

mA

mA

MAX

85

100

160

Infinite

Infinite

1

2TPW

CONDITION

-

VDD = 10.0V, All

input frequencies = 0 Hz

RBIAS = 2MΩ

-

VDD = 4.5V

VDD = 9V

VDD = 10.0V

-

VDD = 4.5V

VDD = 9V

VDD = 10.0V

VDD = 4.5V

VDD = 9V

VDD = 10.0V

VDD = 4.5V

VDD = 9V

VDD = 10.0V

UNITS

ns

ns

ns

ns

CONDITION

VDD = 10.0V

VDD = 9V

VDD = 4.5V

-

ns

-

Hz

-

Input to Output Delay

Output Clock Pulse Width

TDS

TOW

-

120

-

150

-

235

50

-

ns

VDD = 10.0V

ns

VDD = 9V

ns

VDD = 4.5V

Includes input

validation delay

ns

See Fig. 4 & 5

7082-100600-2

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