MC74HC244A: Octal 3-State Non-Inverting Buffer/Line Driver/Line Receiver

High-Performance Silicon-Gate CMOS The MC74HC244A is identical in pinout to the LS244. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. This octal noninverting buffer/line driver/line receiver is designed to be used with 3-state memory address drivers, clock drivers, and other bus-oriented systems. The device has noninverting outputs and two active-low output enables. The HC244A is similar in function to the HC240A and HC241A.

Features
  • Output Drive Capability: 15 LSTTL Loads
  • Outputs Directly Interface to CMOS, NMOS, and TTL
  • Operating Voltage Range: 2 to 6 V
  • Low Input Current: 1 mA
  • High Noise Immunity Characteristic of CMOS Devices
  • In Compliance with the Requirements Defined by JEDEC Standard No. 7A
  • Chip Complexity: 136 FETs or 34 Equivalent Gates
  • Pb-Free Packages are Available*
Simulation Models (2)
Document TitleDocument ID/SizeRevisionRevision Date
IBIS Model for MC74HC244ADWMC74HC244ADW.IBS (5.0kB)0
IBIS Model for MC74HC244ANMC74HC244AN.IBS (5.0kB)0
Package Drawings (2)
Document TitleDocument ID/SizeRevision
SOIC-20 WB751D-05 (36.3kB)H
TSSOP-20 WB948E-02 (39.7kB)D
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Octal 3-State NonInverting Buffer/Line Driver/Line ReceiverMC74HC244A/D (112kB)15Aug, 2014
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
MC74HC244ADTGActivePb-free Halide freeTSSOP-20948E-021Tube75$0.28
MC74HC244ADTR2GActivePb-free Halide freeTSSOP-20948E-021Tape and Reel2500$0.28
MC74HC244ADWGActivePb-free Halide freeSOIC-20W751D-053Tube38$0.28
MC74HC244ADWR2GActivePb-free Halide freeSOIC-20W751D-053Tape and Reel1000$0.28
NLV74HC244ADTR2GActiveAEC Qualified PPAP Capable Pb-free Halide freeTSSOP-20948E-021Tape and Reel2500$0.308
NLV74HC244ADWR2GActiveAEC Qualified PPAP Capable Pb-free Halide freeSOIC-20W751D-053Tape and Reel1000$0.308
Specifications
ProductChannelsOutputVCC Min (V)VCC Max (V)tpd Max (ns)IO Max (mA)
MC74HC244ADTG83-State26226
MC74HC244ADTR2G83-State26226
MC74HC244ADWG83-State26226
MC74HC244ADWR2G83-State26226
NLV74HC244ADTR2G83-State26226
NLV74HC244ADWR2G83-State26226
Octal 3-State NonInverting Buffer/Line Driver/Line Receiver (112kB) MC74HC244A
IBIS Model for MC74HC244ADW MC74HC244A
IBIS Model for MC74HC244AN MC74HC244A
TSSOP-20 WB NLSX3018
SOIC-20 WB NLSX3018
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