SCAS541G October   1995  – March 2024 SN54AC574 , SN74AC574

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 Recommended Operating Conditions
    3. 4.3 Thermal Information
    4. 4.4 Electrical Characteristics
    5. 4.5 Timing Requirements, VCC = 3.3 V ± 0.3 V
    6. 4.6 Timing Requirements, VCC = 5 V ± 0.5 V
    7. 4.7 Switching Characteristics, VCC = 3.3 V ± 0.3 V
    8. 4.8 Switching Characteristics, VCC = 5 V ± 0.5 V
    9. 4.9 Operating 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 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
        1. 7.2.1.1 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      1. 8.1.1 Related Documentation
    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)
  • W|20
  • J|20
  • FK|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

2 Description

These 8-bit flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. The devices are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

Device Information
PART NUMBER PACKAGE(1) PACKAGE SIZE(2) BODY SIZE(3)
SNx4AC574 DB (SSOP, 20) 7.2mm × 7.8mm 7.2mm × 5.30mm
DW (SOIC, 20) 12.8mm × 10.3mm 12.80mm × 7.50mm
N (PDIP, 20) 24.33mm × 9.4mm 24.33mm × 6.35mm
PW (TSSOP, 20) 6.5mm × 6.4mm 6.50mm × 4.40mm
(1) For more information, see Section 10.
(2) The package size (length × width) is a nominal value and includes pins, where applicable.
(3) The body size (length × width) is a nominal value and does not include pins.
GUID-BC93AE7A-CD4D-46F3-8700-1710BBC7B270-low.pngLogic Diagram (Positive Logic)