74HCT393PW,112

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Dual 4-bit binary ripple counter
• Package: TSSOP-16
• Essence: High-speed CMOS logic IC
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• High-Level Input Voltage: 2.0V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 80 MHz
• Propagation Delay: 13 ns
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74HCT393PW,112 has a total of 16 pins arranged as follows:

+---+--+---+ Q1 --|1 +--+ 16|-- VCC Q0 --|2 15|-- MR CP --|3 14|-- Q3 D0 --|4 13|-- Q2 D1 --|5 12|-- GND D2 --|6 11|-- CARRY OUT D3 --|7 10|-- CLOCK INHIBIT GND -|8 9|-- CLOCK +----------+

Functional Features

• Dual 4-bit binary ripple counter with asynchronous reset
• Synchronous counting on the positive edge of the clock
• Asynchronous master reset for clearing the counter
• Clock inhibit function for disabling the clock input
• Carry-out output for cascading multiple counters

Advantages and Disadvantages

Advantages: - High-speed operation - Wide supply voltage range - Low power consumption - Compact package size

Disadvantages: - Limited maximum operating frequency - Not suitable for high-frequency applications

Working Principles

The 74HCT393PW,112 is a dual 4-bit binary ripple counter that counts up to 15 (1111 in binary) before resetting to zero. It operates on the positive edge of the clock signal and can be reset asynchronously using the MR (Master Reset) pin. The counter can also be disabled by applying a logic high to the CLOCK INHIBIT pin.

Detailed Application Field Plans

The 74HCT393PW,112 is commonly used in various digital logic applications, including:

1. Frequency Division: The counter can be used to divide an input clock signal by a factor of 16 or less.
2. Event Counting: It can be employed to count events or pulses in a system.
3. Time Delay Generation: By utilizing the clock input and appropriate logic, the counter can generate precise time delays.
4. Address Decoding: The counter's outputs can be used for address decoding in memory or peripheral devices.

Detailed and Complete Alternative Models

Some alternative models to the 74HCT393PW,112 include:

1. SN74LS393N: Dual 4-bit binary ripple counter with asynchronous reset, DIP-14 package.
2. CD40193BE: Presettable synchronous 4-bit binary up/down counter, DIP-16 package.
3. MC14093BCP: Quad 2-input NAND Schmitt trigger, CMOS logic IC, DIP-14 package.

These alternatives offer similar functionality but may have different specifications, pin configurations, and package options.

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