Octal 3-State Buffer DIP-20

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$0.49 ea

1,437 ship on Aug. 23

  • Jameco Part no.: 45022
  • Manufacturer: Major Brands
  • Manufacturer no.: 74HCT244
  • Jameco Catalog
  • This item is discontinued and is not
    recommended for new designs.
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1000+ $0.19

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Octal 3-State Buffer

The MM74HCT244 is a 3-STATE buffer utilizing advanced silicon-gate CMOS technology and is a general purpose high speed non-inverting buffer. It has high drive current outputs which enable high speed operation even when driving large bus capacitances. These circuits achieve speeds comparable to low power Schottky devices, while retaining the low power consumption of CMOS. It is TTL input compatible and has a fanout of 15 LS-TTL equivalent inputs.

MM74HCT devices are intended to interface between TTL and NMOS components and standard CMOS devices. These parts are also plug-in replacements for LS-TTL devices and can be used to reduce power consumption in existing designs. The MM74HCT244 has two active low enables (1G and 2G), and each enable independently controls 4 buffers. All inputs are protected from damage due to static discharge by diodes to VCC and Ground.


  • TTL input compatible
  • Typical propagation delay: 14 ns
  • 3-STATE outputs for connection to system buses
  • Low quiescent current: 80 mA
  • High output drive current: 6 mA (min)
  • DIP-20 package, 0.3" wide

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