74HCT4538D-Q100,11

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Multivibrator and Timer
• Characteristics: High-speed operation, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Dual precision monostable multivibrator
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage: 2.0V to 6.0V
• Input Voltage: -0.5V to VCC + 0.5V
• Output Voltage: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 30 ns (typical)
• Trigger Pulse Width: 20 ns (minimum)

Detailed Pin Configuration

1. GND (Ground)
2. nA (Negative Edge Trigger Input A)
3. nB (Negative Edge Trigger Input B)
4. nQ (Negative Edge Trigger Output)
5. Q (Positive Edge Trigger Output)
6. VCC (Supply Voltage)

Functional Features

• Dual monostable multivibrator with independent trigger inputs
• Negative edge-triggered inputs for accurate timing control
• Wide operating voltage range allows compatibility with various systems
• Schmitt-trigger action on all inputs makes the circuit tolerant to slower input rise and fall times
• Output pulse width can be adjusted using external resistors and capacitors

Advantages

• High-speed operation enables precise timing applications
• Low power consumption makes it suitable for battery-powered devices
• Compact SOIC package saves board space
• Wide operating temperature range ensures reliability in harsh environments

Disadvantages

• Limited number of trigger inputs may restrict certain applications
• External components required for adjusting output pulse width

Working Principles

The 74HCT4538D-Q100,11 is a dual precision monostable multivibrator. It generates a single output pulse of a specified duration when triggered by a negative edge on either of its trigger inputs (nA or nB). The output pulse width can be adjusted using external resistors and capacitors connected to the timing control pins.

Detailed Application Field Plans

• Timing circuits in electronic devices
• Pulse generation for digital systems
• Precision timing control in communication systems
• Delay circuits in industrial automation
• Frequency division in clock generation

Detailed and Complete Alternative Models

• CD4538BCN: Dual Precision Monostable Multivibrator
• MC14538B: Dual Precision Retriggerable/Resettable Monostable Multivibrator
• HEF4538BP: Dual Precision Monostable Multivibrator with Schmitt Trigger Inputs

(Note: This list is not exhaustive and there are other alternative models available in the market.)

This entry provides an overview of the 74HCT4538D-Q100,11 integrated circuit. It includes information about its category, use, characteristics, package, essence, packaging/quantity, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.