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M74LS393P Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
M74LS393PMIT123Yes

M74LS393P** is a dual 4-bit binary ripple counter IC manufactured by **MIT (Mitsubishi Electric)**.

The M74LS393P is a dual 4-bit binary ripple counter IC manufactured by MIT (Mitsubishi Electric).

Specifications:

  • Logic Family: LS-TTL (Low-Power Schottky TTL)
  • Function: Dual 4-bit binary ripple counter
  • Supply Voltage (Vcc): 4.75V to 5.25V (standard 5V operation)
  • Operating Temperature Range: 0°C to +70°C (commercial grade)
  • Package Type: 14-pin DIP (Dual In-line Package)
  • Propagation Delay: Typically 20ns (clock to output)
  • Maximum Clock Frequency: ~35MHz (typical)
  • Output Current (High/Low): -0.4mA / 8mA
  • Power Dissipation: ~20mW per counter

Descriptions:

  • Contains two independent 4-bit binary counters with separate clock inputs.
  • Each counter can be cleared asynchronously via a master reset (MR) input.
  • Outputs are buffered for improved noise immunity.
  • Compatible with standard TTL logic levels.

Features:

  • Dual Counter Design: Two separate 4-bit counters in a single IC.
  • Asynchronous Reset: Clear function via MR (active HIGH).
  • Ripple Carry Output: Allows cascading for higher-bit counters.
  • Low Power Consumption: LS-TTL technology ensures efficient operation.
  • Wide Operating Voltage: Supports standard 5V TTL logic.

This IC is commonly used in frequency division, counting circuits, and digital timing applications.

*(Note: MIT refers to Mitsubishi Electric, a former manufacturer of this IC.)*

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