ZHCSRG4N April   1998  – March 2023 SN74LV138A

PRODMIX  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions #GUID-332E8763-FFB4-457A-A681-FBA0609A5CEC/NSCES129_8420041244441
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Switching Characteristics, VCC = 2.5 V ± 0.25 V
    7. 6.7  Switching Characteristics, VCC = 3.3 V ± 0.3 V
    8. 6.8  Switching Characteristics, VCC = 5 V ± 0.5 V
    9. 6.9  Operating Characteristics
    10. 6.10 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Standard CMOS Inputs
      2. 8.3.2 Balanced CMOS Push-Pull Outputs
      3. 8.3.3 Partial Power Down (Ioff)
      4. 8.3.4 Clamp Diode Structure
    4. 8.4 Device Functional Modes
  9. 应用和实施
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Power Considerations
      2. 9.2.2 Input Considerations
      3. 9.2.3 Output Considerations
      4. 9.2.4 Detailed Design Procedure
      5. 9.2.5 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  11. 11Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • DB|16
  • PW|16
  • BQB|16
  • NS|16
  • RGY|16
  • D|16
  • DGV|16
散热焊盘机械数据 (封装 | 引脚)
订购信息

说明

SN74LV138A 器件是旨在于 2V 至 5.5V VCC 下运行的 3 线至 8 线解码器/多路解复用器。

二进制选择输入(A0、A1、A2)和三个使能输入(G2、G0G1)条件可从八条输出线路中选择其中一条。两个低电平有效使能输入(G0G1)和一个高电平有效使能输入 (G2) 可在扩展时减少对外部门电路或反相器的需求。

封装信息
器件型号 封装(1) 封装尺寸
SN74LV138A D(SOIC,16) 9.90mm × 3.91mm
DB(SSOP,16) 6.20mm × 5.30mm
DGV(TVSOP,16) 3.60mm × 4.40mm
NSA(BGA,16) 2.00mm × 2.00mm
PW(TSSOP,16) 5.00mm × 4.40mm
RGY(VQFN,16) 4.00mm × 3.50mm

BQB(WQFN,16)

3.60mm × 2.60mm

如需了解所有可用封装,请参阅数据表末尾的可订购米6体育平台手机版_好二三四附录。
GUID-20210723-CA0I-1CJ3-MQFG-1GVMRTBQ6B2P-low.gif逻辑图(正逻辑)