SCLS233S october   1995  – july 2023 SN54AHCT245 , SN74AHCT245

PRODMIX  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. 5
  6. Pin Configuration and Functions
  7. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Noise Characteristics
    8. 6.8 Operating Characteristics
    9. 6.9 Typical Characteristics
  8. Parameter Measurement Information
  9. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  10. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 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
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Pin Configuration and Functions

GUID-20200922-CA0I-3QXS-GDZ2-RGMJ0XTDV6LF-low.gifFigure 5-1 SN54AHCT245: J or W SN74AHCT245: DB, DGV, DW, N, NS, PW or DGS Package, 20-Pin CDIP, CFP, SSOP, TVSOP, SOIC, PDIP, SOP, TSSOP, or VSSOP (Top View)
GUID-20200922-CA0I-5C9Z-QCFZ-ZZZ9CVFFWSWT-low.gifFigure 5-3 SN54AHCT245: FK Package, 20-Pin LCCC (Top View)
GUID-20220216-SS0I-CMZV-MGKQ-7M6BT2KLPG8M-low.gifFigure 5-2 SN74AHCT245: RGY or RKS Package, 20-Pin VQFN (Top View)
Table 5-1 Pin Functions
PINTYPE(1)DESCRIPTION
NAMENO.
DIR1

I

Direction Pin
A12I/OA1 Input/Output
A23I/OA2 Input/Output
A34I/OA3 Input/Output
A45I/OA4 Input/Output
A56I/OA5 Input/Output
A67I/OA6 Input/Output
A78I/OA7 Input/Output
A89I/OA8 Input/Output
GND10

G

Ground Pin
B811I/OB8 Input/Output
B712I/OB7 Input/Output
B613I/OB6 Input/Output
B514I/OB5 Input/Output
B415I/OB4 Input/Output
B316I/OB3 Input/Output
B217I/OB2 Input/Output
B118I/OB1 Input/Output
OE19IOutput Enable
VCC20

P

Power Pin
I = Input, O = Output, P= Positive Supply, G = Ground