SN74ALS193ANG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Divider
• Characteristics: High-speed, synchronous, 4-bit binary up/down counter
• Package: DIP-16 (Dual In-Line Package with 16 pins)
• Essence: The SN74ALS193ANG4 is a versatile counter/divider IC that can be used in various applications requiring counting or dividing functionality.
• Packaging/Quantity: Available in tubes of 25 units or reels of 2,000 units.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 125 MHz
• Counting Modes: Up, Down, and Asynchronous Load
• Output Drive Capability: ±24 mA
• Propagation Delay: 10 ns (typical)

Detailed Pin Configuration

The SN74ALS193ANG4 has 16 pins arranged as follows:

1. CLK (Clock Input)
2. MR (Master Reset Input)
3. CPD (Count Enable Parallel Input)
4. CPUD (Count Up/Down Input)
5. P0 (Parallel Data Input Bit 0)
6. P1 (Parallel Data Input Bit 1)
7. P2 (Parallel Data Input Bit 2)
8. P3 (Parallel Data Input Bit 3)
9. Q0 (Serial Output Bit 0)
10. Q1 (Serial Output Bit 1)
11. Q2 (Serial Output Bit 2)
12. Q3 (Serial Output Bit 3)
13. RC (Ripple Carry Output)
14. GND (Ground)
15. VCC (Supply Voltage)
16. CE (Count Enable)

Functional Features

• High-speed operation allows for efficient counting/dividing in time-critical applications.
• Synchronous operation ensures accurate and reliable counting.
• Up, down, and asynchronous load modes provide flexibility in counting direction and initial value setting.
• Serial output and ripple carry output enable cascading multiple counters for extended counting range.

Advantages

• Versatile functionality suitable for a wide range of applications.
• High-speed operation allows for efficient counting in time-critical scenarios.
• Synchronous operation ensures accurate counting results.
• Multiple counting modes provide flexibility in different counting scenarios.
• Easy to integrate into existing circuit designs.

Disadvantages

• Limited maximum clock frequency compared to some newer counter ICs.
• Requires external components for proper operation (clock signal, reset signal, etc.).
• May not be suitable for applications requiring very high counting speeds or complex counting algorithms.

Working Principles

The SN74ALS193ANG4 operates based on synchronous binary counting principles. It utilizes a clock signal to increment or decrement the count value based on the selected counting mode (up or down). The parallel data inputs allow for loading an initial count value asynchronously. The outputs provide the current count value in both serial and parallel formats. The ripple carry output can be used to cascade multiple counters for extended counting ranges.

Detailed Application Field Plans

The SN74ALS193ANG4 can be used in various applications that require counting or dividing functionality. Some potential application fields include:

1. Frequency Dividers: The IC can be used to divide an input clock frequency by a specific factor, generating lower-frequency signals for various purposes.
2. Event Counters: It can be employed to count events or pulses generated by sensors, switches, or other devices.
3. Timekeeping Circuits: The IC can be utilized in timekeeping circuits to generate precise time intervals or to implement timers and clocks.
4. Industrial Automation: It can be integrated into industrial automation systems for counting production cycles, monitoring machine operations, or controlling processes.

Detailed and Complete Alternative Models

• SN74ALS190: 4-bit synchronous up/down binary counter with parallel load capability.
• SN74LS193: 4-bit synchronous up/down binary counter with asynchronous clear functionality.
• CD40193B: CMOS 4-bit synchronous up/down binary counter IC.

(Note: These alternative models offer similar functionality but may have different specifications or pin configurations. It is important to refer to their respective datasheets for detailed information.)

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