74LS193 Binary Up/Down Counter with Clear

74LS193 Synchronous Binary Up/Down Counter IC

The 74LS193 is a synchronous binary up/down counter integrated circuit. It operates as a Modulo-16 counter within the 74LS series. This IC supports a maximum clock frequency of 25MHz. Separate clock inputs enable independent control of up and down counting. Outputs update synchronously, maintaining system integrity. Individual preset inputs facilitate programmable counting sequences. Terminal Count Up and Down outputs support cascading for extended counting ranges. Asynchronous Parallel Load and Master Reset functions provide system initialization and control capabilities. This device is applicable in digital counting, frequency division, and timing circuits.

Specifications:

• Counter Type: Binary Up/Down
• Logic Family: TTL (74LS Series)
• Counting Modulus: Modulo-16
• Counting Mode: Synchronous
• Max Clock Frequency: 25 MHz
• Inputs: Separate Count Up/Down Clocks, Individual Preset, Parallel Load (PL), Master Reset (MR)
• Outputs: Q0-Q3, Terminal Count Up (TCU), Terminal Count Down (TCD)
• Override Functions: Asynchronous Parallel Load, Asynchronous Master Reset

Key features and benefits:

• Synchronous Up/Down Modulo-16 binary counter
• Maximum clock frequency: 25MHz
• Separate Count Up and Count Down clock inputs
• Synchronous output updates on LOW-to-HIGH clock transitions
• Individual preset inputs for programmable counting
• Terminal Count Up/Down outputs for multistage cascading
• Asynchronous Parallel Load (PL) and Master Reset (MR) functions
• Standard TTL switching voltage compatibility

Applications:

• Digital counting circuits
• Frequency division
• Programmable counters
• Multistage counter designs
• Sequential control systems
• Timing circuits

Frequently Asked Questions:

Q: Is the 74LS193 compatible with standard TTL logic levels?
A: Yes, the 74LS193 is part of the 74LS series, indicating TTL logic compatibility.

Q: Can multiple 74LS193 ICs be connected for larger counting ranges?
A: Yes, Terminal Count Up (TCU) and Terminal Count Down (TCD) outputs support cascading for extended counting ranges.

Q: What is the typical operating voltage range for the 74LS193?
A: The 74LS193 operates within the standard TTL voltage range, typically 4.75V to 5.25V.

Q: What package types are commonly available for the 74LS193?
A: The 74LS193 is commonly available in a 16-pin DIP (Dual In-line Package) and SOIC (Small Outline Integrated Circuit) form factors.

Package Includes:

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