74LVQ244

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

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

February 1992 Revised June 2001

74LVQ244 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
General Description
The LVQ244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC board density.

Features
s Ideal for low power/low noise 3.3V applications s Implements patented EMI reduction circuitry s Available in SOIC JEDEC, SOIC EIAJ and QSOP packages s Guaranteed simultaneous switching noise level and dynamic threshold performance s Improved latch-up immunity s Guaranteed incident wave switching into 75 s 4 kV minimum ESD immunity

Ordering Code:
Order Number 74LVQ244SC 74LVQ244SJ 74LVQ244QSC Package Number M20B M20D MQA20 Package Description 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide

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

Logic Symbol
IEEE/IEC

Connection Diagram

Truth Tables
Inputs OE1 In L H X Outputs (Pins 12, 14, 16, 18) L H Z Outputs (Pins 3, 5, 7, 9) L H Z

Pin Descriptions
Pin Names OE1, OE2 I0 I7 O0 O7 Description 3-STATE Output Enable Inputs Inputs Outputs

L L H

Inputs OE2 L L H
H HIGH Voltage Level X Immaterial

In L H X

L LOW Voltage Level Z High Impedance

2001 Fairchild Semiconductor Corporation

DS011356

www.fairchildsemi.com