Fairchild Semiconductor 74LVQ244SJX, 74LVQ244SCX, 74LVQ244SC, 74LVQ244QSC, 74LVQ244MSAX Datasheet

74LVQ244
Low Voltage Octal Buffer/Line Driver with 3-STATE
Outputs

General Description

The LVQ244isanoctalbufferandlinedriverdesignedtobe
employed as a memory address driver, clock driver and bus
oriented transmitter or receiver which provides improved PC
board density.

Features

n Ideal for low power/low noise 3.3V applications
n Implements patented EMI reduction circuitry
n Available in SOIC JEDEC, SOIC EIAJ and QSOP

packages

n Guaranteed simultaneous switching noise level and

dynamic threshold performance

n Improved latch-up immunity
n Guaranteed incident wave switching into 75Ω
n 4 kV minimum ESD immunity

Ordering Code:

Order Number Package Number Package Description

74LVQ244SC M20B 20-Lead (0.300" Wide) Molded Small Outline Package, SOIC, JEDEC
74LVQ244SJ M20D 20-Lead Shrink Molded Small Outline Package, SOIC, EIAJ
74LVQ244QSC MQA20 20-Lead (0.150" Wide) Molded Shrink Small Outline Package, SSOP, JEDEC

Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Logic Symbol Connection Diagram

IEEE/IEC

DS011356-1

Pin Assignment for SOIC and QSOP

DS011356-2

May 1998

74LVQ244 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs

© 1998 Fairchild Semiconductor Corporation DS011356 www.fairchildsemi.com

Truth Tables

Inputs Outputs

OE

1In

(Pins 12, 14, 16, 18)

LL L
LH H
HX Z

Inputs Outputs

OE

2In

(Pins 3, 5, 7, 9)

LL L
LH H
HX Z

H=HIGH Voltage Level
L=LOW Voltage Level
X=Immaterial
Z=High Impedance

Pin Descriptions

Pin Names Description

OE

1

,OE

2

3-STATE Output Enable Inputs

I

0–I7

Inputs

O

0–O7

Outputs

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