74LS93 4-Bit Binary Counter DIP-14
74LS93 4-Bit Binary Counter DIP-14
74LS93 4-Bit Binary Counter DIP-14
74LS93 4-Bit Binary Counter DIP-14

74LS93 4-Bit Binary Counter DIP-14

IC
IC74LS93
Part.No: 74LS93
€6.95
In Stock
Instant Shipping

The 74LS93 by Texas Instruments is a digital 4-Bit Binary Counter utilizing Low-power Schottky (LS) technology. It contains four master-slave flip-flops and can be externally wired to operate as a divide-by-2, divide-by-8, or divide-by-16 counter. It ensures reliable counting for 5V TTL logic circuits and comes in a convenient Through-Hole DIP-14 package, perfect for breadboard prototyping and custom PCBs.

 

74LS93 4-Bit Binary Counter

The 74LS93 integrated circuit (IC) is a 4-bit asynchronous (ripple) binary counter. It inherently consists of a divide-by-two section and a divide-by-eight section. By externally connecting the QA output to the CKB clock input, the IC is configured as a complete 4-bit counter (divide-by-16), making it a fundamental component for timing and counting logic circuits.

74LS93 4-Bit Binary Counter IC

Key Features

  • Operating Voltage: Standard 5V operation (Range: 4.75V to 5.25V).
  • Logic Type: 4-Bit Binary / Ripple Counter.
  • Technology: Low-power Schottky (LS) ensuring high counting speeds (typical maximum clock frequency up to 42MHz) with low current dissipation (approx. 15mA).
  • Flexibility: Can be utilized as a 3-bit or 4-bit counter depending on external wiring.
  • Mounting Type: Through-Hole packaging.

Pinout Overview

The DIP-14 package of the 74LS93 features a non-standard TTL power configuration (VCC on pin 5):

  • Pin 5: VCC (+5V Power Supply)
  • Pin 10: GND (Ground)
  • Pin 14: Input A (CKA) - Clock input for the first flip-flop (divide-by-2 section).
  • Pin 1: Input B (CKB) - Clock input for the remaining three flip-flops (divide-by-8 section).
  • Pins 2, 3: R0(1), R0(2) - Master Reset inputs (Active HIGH). Forcing both HIGH clears the counter.
  • Pins 12, 9, 8, 11: Outputs QA, QB, QC, QD (4-bit data outputs).

Technical Specifications

IC Type 4-Bit Binary Counter
Brand Texas Instruments
Package DIP-14
Number of Pins 14
Operating Voltage (Vcc) 4.75V - 5.25V
Max Clock Frequency ~ 42 MHz
Operating Temperature 0°C to +70°C

Typical Applications

  • Frequency divider networks.
  • Designing digital clocks and timers.
  • Time delay generation circuits.
  • Sequential logic designs and address counters.
  • Repairing vintage computers and legacy TTL logic hardware.
IC Case Style
DIP 14
16 other products in the same category:
Product added to wishlist
Product added to compare.