SCLS519B July   2003  – January 2025 SN74HC253-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 Switching Characteristics, CL = 50pF
    7. 4.7 Switching Characteristics, CL = 150pF
    8. 4.8 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

SN74HC253-Q1 D Package, 16-Pin SOIC(Top View) D Package,
16-Pin SOIC
(Top View)
PIN TYPE(1) DESCRIPTION
NAME NO.
1OE 1 Input Channel 1 output enable
B 2 Input B select
1C3 3 Input Channel 1 input 3
1C2 4 Input Channel 1 input 2
1C1 5 Input Channel 1 input 1
1C0 6 Input Channel 1 input 0
1Y 7 Output Channel 1 output
GND 8 Input Ground
2Y 9 Output Channel 2 output
2C0 10 Input Channel 2 input 0
2C1 11 Input Channel 2 input 1
2C2 12 Input Channel 2 input 2
2C3 13 Input Channel 2 input 3
A 14 Input A select
2OE 15 Input Channel 2 output enable
VCC 16 — Power
(1) Signal Types: I = Input, O = Output, I/O = Input or Output.