ZHCSW40B February   2003  – July 2024 CD74AC238

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 说明
  4. Pin Configuration and Functions
  5. Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 ESD Ratings
    3. 4.3 Recommended Operating Conditions
    4. 4.4 Thermal Information
    5. 4.5 Electrical Characteristics
    6. 4.6 Switching Characteristics, VCC = 1.5 V
    7. 4.7 Switching Characteristics, VCC = 3.3 V ± 0.3 V
    8. 4.8 Switching Characteristics, VCC = 5 V ± 0.5 V
    9. 4.9 Operating Characteristics
  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 Information
    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 (Analog)
      1. 8.1.1 Related Documentation
    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

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

Pin Configuration and Functions

CD74AC238 CD74AC238 D or PW Package; 16-Pin SOIC or TSSOP (Top View)Figure 3-1 CD74AC238 D or PW Package; 16-Pin SOIC or TSSOP (Top View)
CD74AC238 CD74AC238 BQB Package, 16-Pin WQFN (Top
                        View)Figure 3-2 CD74AC238 BQB Package, 16-Pin WQFN (Top View)
Table 3-1 Pin Functions
PIN TYPE(1) DESCRIPTION
NAME NO.
A 1 I Input A
B 2 I Input B
C 3 I Input C
G2A 4 I Strobe Input 2A, active low
G2B 5 I Strobe Input 2B, active low
G1 6 I Strobe Input
Y7 7 O Output 7
GND 8 G Ground
Y6 9 O Output 6
Y5 10 O Output 5
Y4 11 O Output 4
Y3 12 O Output 3
Y2 13 O Output 2
Y1 14 O Output 1
Y0 15 O Output 0
VCC 16 P Positive Supply
Thermal Pad(2) Thermal Pad
I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power.
BQB package only