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G74SC240P Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
G74SC240PGTEU108Yes

G74SC240P** is a high-speed **Schottky TTL** (Transistor-Transistor Logic) **octal buffer/line driver with 3-state outputs**, manufactured by **GTE (GTE Microcircuits Division)**.

The G74SC240P is a high-speed Schottky TTL (Transistor-Transistor Logic) octal buffer/line driver with 3-state outputs, manufactured by GTE (GTE Microcircuits Division).

Key Specifications:

  • Logic Family: Schottky TTL (74S series)
  • Function: Octal Buffer/Line Driver
  • Output Type: 3-State (High, Low, High-Impedance)
  • Number of Channels: 8 (Octal)
  • Input Compatibility: TTL (5V logic levels)
  • Supply Voltage (Vcc): 4.75V to 5.25V (Standard TTL range)
  • Propagation Delay: ≈5ns (typical for 74S series)
  • Output Current (High/Low): -1mA / 20mA (sink/source capability)
  • Operating Temperature Range: 0°C to +70°C (Commercial grade)
  • Package Type: 20-pin DIP (Dual In-line Package)

Descriptions & Features:

  • Designed for bus-oriented applications where multiple devices share a common bus.
  • 3-state outputs allow multiple drivers to be connected to a shared bus without interference.
  • Schottky-clamped for high-speed operation (faster than standard TTL).
  • Inverting logic (output is the inverse of input).
  • High drive capability for driving heavily loaded lines.
  • Wide operating voltage range ensures compatibility with standard TTL systems.

Applications:

  • Bus buffering in microprocessor systems.
  • Memory address/data line driving.
  • General-purpose logic interfacing.

This IC is now considered obsolete, as it belongs to the older 74S TTL series, but was widely used in early digital systems.

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