SCLS423H June   1998  – April 2024 SN74AHC594

PRODMIX  

  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  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics
    6. 5.6  Timing Requirements, VCC = 3.3 V ± 0.3 V
    7. 5.7  Timing Requirements, VCC = 5 V ± 0.5 V
    8. 5.8  Switching Characteristics, VCC = 3.3 V ± 0.3 V
    9. 5.9  Switching Characteristics, VCC = 5 V ± 0.5 V
    10. 5.10 Noise Characteristics
    11. 5.11 Operating Characteristics
    12. 5.12 Typical 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
    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
      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 (Analog)
      1. 9.1.1 Related Links
    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

Package Options

Refer to the PDF data sheet for device specific package drawings

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

5.7 Timing Requirements, VCC = 5 V ± 0.5 V

over recommended operating free-air temperature range (unless otherwise noted) (see Load Circuit and Voltage Waveforms)
TA = 25°CSN54AHC594(2)SN74AHC594UNIT
MINMAXMINMAXMINMAX
twPulse DurationRCLK or SRCLK high or low555ns
RCLR or SRCLR low5.25.25.2
tsuSetup timeSER before SRCLK↑333ns
SRCLK↑ before RCLK↑(1)555
SRCLR low before SRCLK↑555
SRCLR high (inactive) before SRCLK↑2.93.33.3
RCLR high (inactive) before RCLK↑3.23.73.7
thHold time,
data after CLK↑		SER after SRCLK↑222ns
(1) This setup time allows the storage register to receive stable data from the shift register. The clocks can be tied together, in which case the shift register is one clock pulse ahead of the storage register.
(2) Product Preview
GUID-BC79D32F-8C73-4CBC-AFCC-791F5CFC951F-low.gifFigure 5-1 Timing Diagram