ZHCSPQ4E January   1998  – October 2022 CD54HC540 , CD54HC541 , CD54HCT541 , CD74HC540 , CD74HC541 , CD74HCT540 , CD74HCT541

PRODUCTION DATA  

  1. 1 特性
  2. 2 说明
  3. 3 Revision History
  4. 4 Pin Configuration and Functions
  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
  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 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)
  • N|20
  • DW|20
散热焊盘机械数据 (封装 | 引脚)
订购信息

5.5 Switching Characteristics

PARAMETER TEST CONDITIONS VCC (V) 25℃ –40℃ to 85℃ –55℃ to 125℃ UNIT
MIN TYP MAX MIN MAX MIN MAX
HC TYPES
tPLH, tPHL

Propagation delay

Data to outputs (540)

 CL = 50 pF 2 110 140 165 ns
4.5 22 28 33
CL = 15 pF 5 9 ns
CL = 50 pF 6 19 24 28
tPLZ, tPHZ Data to outputs (541) CL = 50 pF 2 115 145 175 ns
4.5 23 29 35
CL = 15 pF 5 9 ns
CL = 50 pF 6 20 25 30
tPLZ, tPHZ Output enable and disable to outputs (540) CL = 50 pF 2 160 200 240 ns
4.5 32 40 48
CL = 15 pF 5 13 ns
CL = 50 pF 6 27 34 41
tPLZ, tPHZ Output enable and disable to outputs (541) CL = 50 pF 2 160 200 240 ns
4.5 32 40 48
CL = 15 pF 5 14 ns
CL = 50 pF 6 23 29 35
tTHL, tTLH Output transition time CL = 50 pF 2 60 75 90 ns
4.5 12 15 18
6 10 13 15
CI Input capacitance CL = 50 pF 10 10 10 10 pF
CO Three-state output capacitance 20 20 20 20 pF
CPD Power dissipation capacitance(1)(2) (540) CL = 15 pF 5 50 pF
CPD Power dissipation capacitance(1)(2) (541) CL = 15 pF 5 48 pF
HCT TYPES
tPHL, tPLH

Propagation delay

Data to outputs (540)

 CL = 50 pF 4.5 24 30 36 ns
CL = 15 pF 5 9
tPHL, tPLH Data to outputs (541) CL = 50 pF 4.5 28 35 42 ns
CL = 15 pF 5 11
tPLZ, tPHZ Output enable and disable to outputs (540, 541) CL = 50 pF 4.5 35 44 53 ns
CL = 15 pF 5 14
tTLH, tTHL Output transition time CL = 50 pF 4.5 12 15 18 ns
CI Input capacitance CL = 50 pF 10 10 10 10 pF
CO Three-state output capacitance 20 20 20 20 pF
CPD Power dissipation capacitance(1)(2) (540, 541) CL = 15 pF 5 55 pF
(1) CPD is used to determine the dynamic power consumption, per channel.
(2) PD = VCC2fi (CPD + CL) where fi = input frequency, CL = output load capacitance, VCC = supply voltage.