SCLS697B October   2005  – January 2025 SN74AHC573-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, VCC = 3.3V ± 0.3V
    7. 4.7  Timing Requirements, VCC = 5V ± 0.5V
    8. 4.8  Switching Characteristics, VCC = 3.3V ± 0.3V
    9. 4.9  Switching Characteristics, VCC = 5V ± 0.5V
    10. 4.10 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
      2. 7.2.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      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

3 Pin Configuration and Functions

SN74AHC573-Q1 PW Package, 20-Pin TSSOP (Top View) Figure 3-1 PW Package, 20-Pin TSSOP (Top View)
PIN I/O1 DESCRIPTION
NO. NAME
1 OE I Output Enable
2 1D I 1D Input
3 2D I 2D Input
4 3D I 3D Input
5 4D I 4D Input
6 5D I 5D Input
7 6D I 6D Input
8 7D I 7D Input
9 8D I 8D Input
10 GND — Ground
11 LE I Latch Enable
12 8Q O 8Q Output
13 7Q O 7Q Output
14 6Q O 6Q Output
15 5Q O 5Q Output
16 4Q O 4Q Output
17 3Q O 3Q Output
18 2Q O 2Q Output
19 1Q O 1Q Output
20 VCC — Power Pin
  1. I = input, O = output, P = power, FB = feedback, GND = ground, N/A = not applicable