ZHCSS45D November   1998  – April 2024 CD54AC245 , CD54ACT245 , CD74AC245 , CD74ACT245

PRODMIX  

  1.   1
  2. 特性
  3. 说明
  4. Pin Configuration and Functions
  5. Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 Recommended Operating Conditions
    3. 4.3 Thermal Information
    4. 4.4 Electrical Characteristics
    5. 4.5 Switching Characteristics
    6. 4.6 Timing Diagrams
  6. Parameter Measurement Information
  7. Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Device Functional Modes
  8. Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
      2. 7.2.2 Layout Example
  9. Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Links
    2. 8.2 接收文档更新通知
    3. 8.3 支持资源
    4. 8.4 Trademarks
    5. 8.5 静电放电警告
    6. 8.6 术语表
  10. Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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|20
  • N|20
  • DW|20
散热焊盘机械数据 (封装 | 引脚)

Pin Configuration and Functions

CD54AC245 CD74AC245 CD54ACT245 CD74ACT245  CD54AC245, CD54ACT245
                        (CERDIP),  CD74AC245, CD74ACT245 (PDIP, SOIC, SSOP) Top ViewFigure 3-1 CD54AC245, CD54ACT245 (CERDIP), CD74AC245, CD74ACT245 (PDIP, SOIC, SSOP) Top View
Pin Functions
PIN TYPE1 DESCRIPTION
NO. NAME
1 DIR I/O Direction Pin
2 A0 I/O A1 Input/Output
3 A1 I/O A2 Input/Output
4 A2 I/O A3 Input/Output
5 A3 I/O A4 Input/Output
6 A4 I/O A5 Input/Output
7 A5 I/O A6 Input/Output
8 A6 I/O A7 Input/Output
9 A7 I/O A8 Input/Output
10 GND Ground Pin
11 B7 I/O B7 Input/Output
12 B6 I/O B6 Input/Output
13 B5 I/O B5 Input/Output
14 B4 I/O B4 Input/Output
15 B3 I/O B3 Input/Output
16 B2 I/O B2 Input/Output
17 B1 I/O B1 Input/Output
18 B0 I/O B0 Input/Output
19 OE I/O Output Enable
20 VCC Power Pin
Signal Types: I = Input, O = Output, I/O = Input or Output