SCLS230N October   1995  – June 2024 SN54AHC245 , SN74AHC245

PRODUCTION DATA  

  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  Handling Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics
    6. 5.6  Switching Characteristics, VCC = 3.3 V ± 0.3 V
    7. 5.7  Switching Characteristics, VCC = 5 V ± 0.5 V
    8. 5.8  Noise Characteristics
    9. 5.9  Operating Characteristics
    10. 5.10 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 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

3 Description

The SNx4AHC245 octal bus transceivers are designed for asynchronous two-way communication between data buses. This part operates from 4.5V to 5.5V.

Device Information
PART NUMBER PACKAGE(1) PACKAGE SIZE(2) BODY SIZE(3)
SN54AHC245 J (CDIP, 20) 24.20mm × 7.62mm 24.20mm × 6.92mm
W (CFP, 20) 13.09mm × 8.13mm 13.09mm × 6.92mm
FK (LCCC, 20) 8.89mm × 8.89mm 8.89mm × 8.89mm
SN74AHC245 DB (SSOP, 20) 7.20mm × 7.8mm 7.20mm × 5.30mm
DGV (TVSOP, 20) 5.00mm × 6.4mm 5.00mm × 4.40mm
DW (SOIC, 20) 12.80mm × 10.3mm 12.80mm × 7.50mm
N (PDIP, 20) 24.33mm × 9.4mm 24.33mm × 6.35mm
PW (TSSOP, 20) 6.50mm × 6.4mm 6.50mm × 4.40mm
DGS (VSSOP, 20) 5.10mm × 4.9mm 5.10mm × 3.00mm
RKS (VQFN, 20) 4.50mm × 2.50mm 4.50mm × 2.50mm
(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.
SN54AHC245 SN74AHC245 Simplified Schematic Simplified Schematic