ZHCSPB2J November   1998  – November 2021 CD54HC138 , CD54HC238 , CD54HCT138 , CD54HCT238 , CD74HC138 , CD74HC238 , CD74HCT138 , CD74HCT238

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
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Switching Characteristics (2)
  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 Glossary
  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)
  • PW|16
  • NS|16
  • N|16
  • D|16
散热焊盘机械数据 (封装 | 引脚)
订购信息

5.5 Switching Characteristics(2)

Input tt = 6ns. (See Parameter Measurement Information)
PARAMETER TEST CONDITIONS VCC (V) 25°C -40°C to 85°C -55°C to 125°C UNIT
MIN TYP MAX MIN MAX MIN MAX
HC TYPES
tpd Address to output CL = 50pF 2 150 190 225 ns
4.5 13(3) 30 38 45
CL = 50pF 6 26 33 38
Strobe G0, G1, G2 to output HC/HCT 138 CL = 50pF 2 150 190 265 ns
4.5 30 38 53
6 26 33 45
tt Output transition time CL = 50pF 2 75 95 110 MHz
4.5 15 19 22
6 13 16 19
Cpd Power dissipation capacitance(1) CL = 15pF 5 67 pF
Ci Input capacitance 10 10 10 pF
HCT TYPES
tpd Address to output CL = 50pF 4.5 14(3) 35 44 53 ns
Strobe G2 to output HC/HCT138 CL = 50pF 4.5 35 44 53 ns
Strobe G0, G1 to output HC/HCT238 CL = 15pF 4.5 40 50 60 ns
tt Output transition time CL= 15pF 4.5 15 19 22
Cpd Power dissipation capacitance(1) CL = 15pF 5 67 pF
Ci Input capacitance 10 10 10 pF
(1) CPD is used to determine the dynamic power consumption, per gate.
(2) For details on power calculation, see SCAA035B
(3) CL = 15pF and VCC = 5