SCLS595B November   2004  – August 2024 CD74HC4538-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Description
  4. 3 Pin Configuration and Functions
  5. 4 Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 ESD Ratings
    3. 4.3 Recommended Operating Conditions
    4. 4.4 Thermal Information
    5. 4.5 Electrical Characteristics
    6. 4.6 Timing Requirements
    7. 4.7 Switching Characteristics
    8. 4.8 Operating Characteristics
    9. 4.9 Typical Characteristics
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Typical Application
    2. 7.2 Power Supply Recommendations
    3. 7.3 Layout
      1. 7.3.1 Layout Guidelines
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      1. 8.1.1 Related Links
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • PW|16
  • D|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4.3 Recommended Operating Conditions

over operating free-air temperature (unless otherwise noted)
MIN MAX UNIT
VCC Supply voltage 2 6 V
VIH High-level input voltage VCC = 2V 1.5 V
VCC = 4.5V 3.15
VCC = 6V 4.2
VIL Low-level input voltage VCC = 2V 0.5 V
VCC = 4.5V 1.35
VCC = 6V 1.8
VI Input voltage 0 VCC V
VO Output voltage 0 VCC V
tt Input transition (rise and fall) time Reset input VCC = 2V 0 1000 ns
VCC = 4.5V 0 500
VCC = 6V 0 400
Trigger inputs A or B VCC = 2V 0 Unlimited
VCC = 4.5V 0 Unlimited
VCC = 6V 0 Unlimited
RX External timing resistor(1) 5 kΩ
CX External timing capacitor(1) 0 F
TA Operating free-air temperature –40 125 °C
(1) All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.