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74HCT240D - Octal Bus Buffer

Description

2.

The 74HCT240D, and 74HCT244D are high speed CMOS OCTAL BUS BUFFERs fabricated with silicon gate C2MOS technology.

Features

  • (1) Wide operating temperature range: Topr = -40 to 125.
  • (Note 1) (2) High speed: tpd = 13 ns (typ. ) at VCC = 5.5 V (3) Low power dissipation: ICC = 4.0 µA (max) at Ta = 25.
  • (4) Compatible with TTL outputs: VIL = 0.8 V(max) VIH = 2.0 V(min) (5) Wide interfacing ability: LSTTL, NMOS, CMOS (6) Balanced propagation delays: tPLH ≈ tPHL Note 1: Operating Range spec of Topr = -40.
  • to 125.
  • is applicable only for the products which manufactured after July 2020. 4. Packaging SOIC20.

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Full PDF Text Transcription

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74HCT240D,74HCT244D CMOS Digital Integrated Circuits Silicon Monolithic 74HCT240D,74HCT244D 1. Functional Description • Octal Bus Buffer 74HCT240D: INVERTED, 3-STATE OUTPUTS 74HCT244D: NON-INVERTED, 3-STATE OUTPUTS 2. General The 74HCT240D, and 74HCT244D are high speed CMOS OCTAL BUS BUFFERs fabricated with silicon gate C2MOS technology. They achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. Their inputs are compatible with TTL, NMOS, and CMOS output voltage levels. The 74HCT240D is an inverting 3-state buffer having two active-low output enables. The 74HCT244D is non-inverting 3-state buffer the HCT244A has two active-low output enables. These devices are designed to be used with 3-state memory address drivers, etc.
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