ZHCSPY5A January   2004  – February 2022 CD74HC595

PRODUCTION DATA  

  1. 1 特性
  2. 2 说明
  3. 3 Revision History
  4. 4 Pin Configuration and Functions
    1.     5
  5. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions (1)
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Timing Requirements
    6.     12
    7. 5.6 Switching Characteristics
    8. 5.7 Operating Characteristics
  6. 6 Parameter Measurement Information
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Device Functional Modes
  8. 8 Power Supply Recommendations
  9. 9 Layout
    1. 9.1 Layout Guidelines
  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 Electrostatic Discharge Caution
    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
  • NS|16
  • DW|16
  • N|16
  • D|16
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.3 Device Functional Modes

Table 7-1 lists the functional modes of the CD74HC595.

Table 7-1 Function Table
INPUTS FUNCTION
SER SRCLK SRCLR RCLK OE
X X X X H Outputs QA – QH are disabled
X X X X L Outputs QA – QH are enabled.
X X L X X Shift register is cleared.
L ↑ H X X First stage of the shift register goes low. Other stages store the data of previous stage, respectively.
H ↑ H X X First stage of the shift register goes high. Other stages store the data of previous stage, respectively.
X X H ↑ X Shift-register data is stored in the storage register.
X ↑ H ↑ X Data in shift register is stored in the storage register, the data is then shifted through.
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