SCLS117F December   1982  – May 2025 SN54HC166 , SN54HC166-SP , SN74HC166

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Timing Requirements
    6.     12
    7. 5.6 Switching Characteristics
    8. 5.7 Operating Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Standard CMOS Inputs
      2. 7.3.2 TTL-Compatible CMOS Inputs
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Power Considerations
        2. 8.2.1.2 Input Considerations
        3. 8.2.1.3 Output Considerations
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

3 Description

The SNx4HC166 device contains an 8-bit shift register with one serial input and eight parallel-load inputs.

Device Information
PART NUMBER PACKAGE(1) BODY SIZE (NOM)(2)
SN74HC166 D (SOIC, 16) 9.90mm × 3.90mm
DB (SSOP, 16) 6.20mm × 5.30mm
N (PDIP, 16) 19.31mm × 6.35mm
NS (SOP, 16) 6.20mm × 5.30mm
PW (TSSOP, 16) 5.00mm × 4.40mm
SN54HC166 J (CDIP, 16) 24.38mm × 6.92mm
FK (LCCC, 20) 8.89mm × 8.45mm
W (CFP, 16) 10.16mm × 6.73mm
(1) For more information, see Section 11.
(2) The body size (length × width) is a nominal value and does not include pins.
SN54HC166 SN74HC166 Functional Block DiagramFunctional Block Diagram