ZHCSQ55H April   2004  – March 2022 SN54HC148 , SN74HC148

PRODUCTION DATA  

  1. 1 Features
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions (1)
    3. 6.3 Thermal Information
    4. 6.4 Electrical Characteristics
    5. 6.5 Switching Characteristics
    6. 6.6 Operating Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Device Functional Modes
  9. 9 Application Information
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, 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)
  • NS|16
  • N|16
  • D|16
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.5 Switching Characteristics

CL = 50pF, unless otherwise specified. See (Parameter Measurement Information)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 VCC TA = 25°C SN54HC148 SN74HC148 UNIT
MIN TYP MAX MIN MAX MIN MAX
tpd Propagation Dealy 1-7 A0, A1, A2 2 69 180 270 225 ns
4.5 23 36 54 45
6 21 31 46 38
0-7 EO 2 60 150 225 190
4.5 20 30 45 38
6 17 26 38 33
GS 2 75 190 285 240
4.5 25 38 57 48
6 21 32 48 41
EI A0, A1, A2 2 78 195 295 245
4.5 26 39 59 49
6 22 33 50 42
GS 2 57 145 220 180
4.5 19 29 44 36
6 16 25 38 31
EO 2 66 165 250 205
4.5 22 33 50 41
6 19 28 43 35
tt Transition time Any 2 28 75 110 95 ns
4.5 8 15 22 19
6 6 13 19 16