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74LS189 64-Bit RAM with 3-State Output IC (74189 IC) DIP-16 Package

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₹260.00 (excluding 18% GST)

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Description

The 74LS189 is a 64-bit static RAM (Random Access Memory) IC from the 74LS (Low Power Schottky) series. It contains 64 bits of memory organized as 16 words by 4 bits. The IC features 3-state outputs, making it ideal for bus-oriented systems, allowing the data outputs to be disabled when not in use. The memory is organized as a 4-bit wide word, and access to the memory is managed via address, data, and control inputs.

Features

  • Memory Size: 64 bits (16 words by 4 bits)
  • 3-State Outputs: Allows for easy bus interfacing
  • Addressable Memory: 4-bit wide data words accessible by 4-bit addresses
  • Low Power Schottky: Fast operation with low power consumption
  • TTL Compatible: Compatible with standard TTL logic levels
  • Random Access Memory: Supports both reading from and writing to memory
  • Operating temperature: 0°C to +70°C

Specifications

  • Supply Voltage (Vcc): 4.75V to 5.25V
  • Input High Voltage (VIH): Minimum 2V
  • Input Low Voltage (VIL): Maximum 0.8V
  • Output High Voltage (VOH): Minimum 2.4V
  • Output Low Voltage (VOL): Maximum 0.4V
  • Memory Size: 64 bits (16 x 4-bit)
  • Access Time: 20ns (typical)
  • Power Dissipation: 45mW (typical)
  • Fan-Out: 10 LS-TTL loads
  • Package: DIP-16 (Dual In-Line Package with 16 pins)

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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