N74F194D,602

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Shift Register
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Compact package size
• Package: DIP-16 (Dual In-line Package with 16 pins)
• Essence: The N74F194D,602 is a versatile IC that combines the functionality of a counter and a shift register in a single chip.
• Packaging/Quantity: Available in reels or tubes, typically sold in quantities of 100 or more.

Specifications

• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 50 MHz
• Number of Stages: 4
• Output Type: TTL (Transistor-Transistor Logic) compatible

Detailed Pin Configuration

1. CP (Clock Pulse) - Input
2. MR (Master Reset) - Input
3. QA-QD (Parallel Outputs) - Outputs
4. QD (Serial Output) - Output
5. SER (Serial Data Input) - Input
6. QA-QC (Parallel Inputs) - Inputs
7. GND (Ground) - Ground
8. VCC (Supply Voltage) - Power supply

Functional Features

• Counter Mode: The N74F194D,602 can function as a 4-bit binary counter, incrementing its output on each clock pulse.
• Shift Register Mode: It can also operate as a 4-bit serial-in, parallel-out shift register, shifting data into the device on each clock pulse.
• Parallel Load: The IC allows parallel loading of data when the MR pin is held low.
• Asynchronous Master Reset: The MR input resets the counter/shift register to its initial state when activated.
• Serial Output: The QD pin provides a serial output of the shifted data.

Advantages and Disadvantages

Advantages

• Versatility: Combines counter and shift register functionality in one chip, saving board space and reducing component count.
• High-Speed Operation: Capable of operating at frequencies up to 50 MHz, making it suitable for applications requiring fast data processing.
• Low Power Consumption: Designed to minimize power consumption, making it ideal for battery-powered devices.
• Wide Operating Voltage Range: Can operate within a wide voltage range, providing flexibility in various applications.

Disadvantages

• Limited Number of Stages: The N74F194D,602 has only 4 stages, which may not be sufficient for certain complex applications requiring larger counters or shift registers.
• DIP Package: The IC is available in a DIP package, which may limit its use in space-constrained designs that require surface-mount components.

Working Principles

The N74F194D,602 operates based on the principles of digital logic. In counter mode, the device increments its output on each clock pulse, following a binary counting sequence. In shift register mode, it shifts data into the device on each clock pulse, allowing parallel-to-serial data conversion. The MR input resets the device to its initial state, while the parallel load feature enables loading of data in parallel.

Detailed Application Field Plans

The N74F194D,602 finds applications in various fields, including: 1. Digital Counters: Used in electronic devices that require counting functionality, such as frequency dividers, timers, and event counters. 2. Data Communication Systems: Employed in serial-to-parallel or parallel-to-serial data conversion circuits. 3. Industrial Automation: Integrated into control systems for monitoring and controlling processes that involve counting or shifting data. 4. Test and Measurement Equipment: Utilized in instruments that require data processing and manipulation, such as oscilloscopes and logic analyzers.

Detailed and Complete Alternative Models

1. SN74LS194: Similar 4-bit counter/shift register IC with TTL compatibility.
2. CD4015B: Dual 4-stage static shift register IC with parallel load capability.
3. MC14516B: 4-bit synchronous up/down binary counter IC with parallel load and asynchronous reset features.

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