SCAS218X January   1993  – January 2015 SN74LVC245A

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Simplified Schematic
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Thermal Information
    4. 6.4 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  9. 9 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
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DGV|20
  • DB|20
  • NS|20
  • N|20
  • DW|20
  • PW|20
  • RGY|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • Operates From 1.65 V to 3.6 V
  • Inputs Accept Voltages to 5.5 V
  • Max tpd of 6.3 ns at 3.3 V
  • Typical VOLP (Output Ground Bounce)
    < 0.8 V at VCC = 3.3 V, TA = 25°C
  • Typical VOHV (Output VOH Undershoot)
    > 2 V at VCC = 3.3 V, TA = 25°C
  • Ioff Supports Live Insertion, Partial-Power-Down Mode and Back Drive protection
  • Supports Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V VCC)
  • Latch-Up Performance Exceeds 250 mA
    Per JESD 17
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model
    • 1000-V Charged-Device Model

2 Applications

  • Cable Modem Termination Systems
  • Servers
  • LED Displays
  • Network Switches
  • Telecom Infrastructure
  • Motor Drivers
  • I/O Expanders

Description

These octal bus transceivers are designed for 1.65-V to 3.6-V VCC operation. The ’LVC245A devices are designed for asynchronous communication between data buses.

Device Information(1)

PART NUMBER PACKAGE (PIN) BODY SIZE
SN74LVC245A VQFN (20) 4.50 mm × 3.50 mm
SSOP (20) 7.50 mm × 5.30 mm
TSSOP (20) 6.50 mm × 4.40 mm
TVSOP (20) 5.00 mm × 4.40 mm
SOIC (20) 12.80 mm × 7.50 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

3 Simplified Schematic

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