SLRS008D September   1986  – January 2016 L293 , L293D

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 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 Curve
    3. 9.3 System Examples
      1. 9.3.1 L293D as a Two-Phase Motor Driver
      2. 9.3.2 DC Motor Controls
      3. 9.3.3 Bipolar Stepping-Motor Control
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

5 Pin Configuration and Functions

NE Package
16-Pin PDIP
Top View
L293 L293D PD1.gif

Pin Functions

PIN TYPE DESCRIPTION
NAME NO.
1,2EN 1 I Enable driver channels 1 and 2 (active high input)
<1:4>A 2, 7, 10, 15 I Driver inputs, noninverting
<1:4>Y 3, 6, 11, 14 O Driver outputs
3,4EN 9 I Enable driver channels 3 and 4 (active high input)
GROUND 4, 5, 12, 13 — Device ground and heat sink pin. Connect to printed-circuit-board ground plane with multiple solid vias
VCC1 16 — 5-V supply for internal logic translation
VCC2 8 — Power VCC for drivers 4.5 V to 36 V