SCLS134F December   1982  – March 2022 SN54HC259 , SN74HC259

PRODUCTION DATA  

  1. 1 Features
  2. 2 Description
  3. 3 Revision History
  4. 4 Pin Configuration and Functions
  5. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions (1)
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Timing Requirements
    6. 5.6 Switching Characteristics
    7. 5.7 Operating Characteristics
  6. 6 Parameter Measurement Information
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Device Functional Modes
  8. 8 Power Supply Recommendations
  9. 9 Layout
    1. 9.1 Layout Guidelines
  10. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • J|16
  • FK|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Timing Requirements

over recommended operating free-air temperature range (unless otherwise noted)
VCC (V) TA = 25°C SN54HC259 SN74HC259 UNIT
MIN MAX MIN MAX MIN MAX
tw Pulse duration CLR low 2 80 120 100 ns
4.5 16 24 20
6 14 20 17
G low 2 80 120 100
4.5 16 24 20
6 14 20 17
tsu Setup time, data or address before G↑ 2 75 115 95 ns
4.5 15 23 19
6 13 20 16
th Hold time, data or address after GG↑ 2 5 5 5 ns
4.5 5 5 5
6 5 5 5