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7493 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
7493TI120Yes

TI 7493** is a **4-bit binary counter** manufactured by Texas Instruments (TI).

The TI 7493 is a 4-bit binary counter manufactured by Texas Instruments (TI).

Specifications:

  • Type: 4-bit binary ripple counter
  • Logic Family: TTL (Transistor-Transistor Logic)
  • Supply Voltage (VCC): 4.75V to 5.25V (standard 5V operation)
  • Operating Temperature Range: 0°C to 70°C (commercial grade)
  • Counting Sequence: Binary (0000 to 1111)
  • Reset Function: Asynchronous master reset (MR1 & MR2) to clear the counter
  • Clock Inputs: Two clock inputs (CP0 and CP1) for cascading
  • Outputs: Four parallel outputs (Q0, Q1, Q2, Q3)
  • Propagation Delay: Typically 30ns (varies with conditions)
  • Power Dissipation: ~100mW (typical)

Descriptions:

The 7493 is a ripple counter, meaning the output transitions are not synchronized with the clock, leading to slight delays between bit changes. It consists of a divide-by-2 (CP0) and a divide-by-8 (CP1) counter, which can be combined for a full 4-bit (divide-by-16) counter.

Features:

  • Modular Design: Can be used as a 2-bit, 3-bit, or 4-bit counter
  • Asynchronous Reset: Clears all outputs when MR1 and MR2 are high
  • TTL-Compatible Inputs/Outputs
  • Standard 14-pin DIP (Dual In-line Package)
  • Widely Used in Digital Logic Applications

The 7493 is commonly used in frequency division, timing circuits, and basic counting applications.

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