ZHCSPU7G November   1998  – October 2022 CD54HC240 , CD54HC244 , CD54HCT240 , CD54HCT241 , CD54HCT244 , CD74HC240 , CD74HC241 , CD74HC244 , CD74HCT240 , CD74HCT241 , CD74HCT244

PRODUCTION DATA  

  1. 特性
  2. 说明
  3. Revision History
  4. Pin Configuration and Functions
  5. Specifications
    1. 5.1 Absolute Maximum Ratings (1)
    2. 5.2 Recommended Operating Conditions
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics '240
    5. 5.5 Electrical Characteristics '241
    6. 5.6 Electrical Characteristics '244
    7. 5.7 Switching Characteristics '240
    8. 5.8 Switching Characteristics '241
    9. 5.9 Switching Characteristics '244
  6. Parameter Measurement Information
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
  8. Power Supply Recommendations
  9. Layout
    1. 9.1 Layout Guidelines
  10. 10Device and Documentation Support
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 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)
  • J|20
散热焊盘机械数据 (封装 | 引脚)
订购信息

说明

’HC240 和 ’HCT240 是具有两个低电平有效输出使能端的反相三态缓冲器。CD74HC241、’HCT241、’HC244 和 ’HCT244 都是同相三态缓冲器,区别仅在于 241 具有一个高电平有效和一个低电平有效的输出使能端,而 244 具有两个低电平有效输出使能端。全部三种类型都具有相同的引脚排列。

封装信息
器件型号 封装(1) 封装尺寸(标称值)
CD74HC240 M(SOIC,20) 12.80mm × 7.50mm
E(PDIP,20) 25.40mm × 6.35mm
CD54HC240 F(CDIP,20) 26.92mm × 6.92mm
CD74HCT240 M(SOIC,20) 12.80mm × 7.50mm
E(PDIP,20) 25.40mm × 6.35mm
PW(TSSOP,20) 6.50mm × 4.40mm
CD54HCT240 F(CDIP,20) 26.92mm × 6.92mm
CD74HC241 M(SOIC,20) 12.80mm × 7.50mm
E(PDIP,20) 25.40mm × 6.35mm
CD74HCT241 M(SOIC,20) 12.80mm × 7.50mm
E(PDIP,20) 25.40mm × 6.35mm
CD54HCT241 F(CDIP,20) 26.92mm × 6.92mm
CD74HC244 M(SOIC,20) 12.80mm × 7.50mm
E(PDIP,20) 25.40mm × 6.35mm
CD54HC244 F(CDIP,20) 26.92mm × 6.92mm
CD74HCT244 M(SOIC,20) 12.80mm × 7.50mm
E(PDIP,20) 25.40mm × 6.35mm
CD54HCT244 F(CDIP,20) 26.92mm × 6.92mm
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-D0FA178A-9DF3-4075-A4E6-41B3461CACE2-low.png引脚排列图