SCHS157D February   1998  – February 2022 CD54HC166 , CD54HCT166 , CD74HC166 , CD74HCT166

PRODUCTION DATA  

  1. 1 Features
  2. 2 Description
  3. 3 Revision History
  4. 4 Pin Configuration and Functions
  5. 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
    5. 5.5 Prerequisite for Switching Characteristics
    6. 5.6 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 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • J|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Prerequisite for Switching Characteristics

See (Parameter Measurement Information)
PARAMETER VCC (V) 25℃ -40℃ to 85℃ -55℃ to 125℃ UNIT
MIN MAX MIN MAX MIN MAX
HC TYPES
fMAX Clock frequency 2 6 5 4 MHz
4.5 30 25 20 MHz
6 35 29 23 MHz
tw MR pulse width 2 100 125 150 ns
4.5 20 25 30 ns
6 17 21 26 ns
tW Clock pulse width 2 80 100 120 ns
4.5 16 20 24 ns
6 14 17 20 ns
tSU

Set-up time

Data and CE to clock

 2 80 100 120 ns
4.5 16 20 24 ns
6 14 17 20 ns
tH Hold time data to clock 2 1 1 1 ns
4.5 1 1 1 ns
6 1 1 1 ns
tREM Removal time MR to clock 2 0 0 0 ns
4.5 0 0 0 ns
6 0 0 0 ns
tSU Set-up time PE to CP 2 145 180 220 ns
4.5 29 36 44 ns
6 25 31 38 ns
tH

Hold time

PE to CP or CE

 2 0 0 0 ns
4.5 0 0 0 ns
6 0 0 0 ns
HCT TYPES
fMAX Clock frequency 4.5 25 20 16 MHz
tw MR pulse width 4.5 35 44 53 ns
tw Clock pulse width 4.5 20 25 30 ns
tSU Set-up time data and CE to clock 4.5 16 20 24 ns
tH Hold time data to clock 4.5 0 0 0 ns
tREM Removal time MR to clock 4.5 0 0 0 ns
tSU Set-up time PE to CP 4.5 30 38 45 ns
tH Hold time PE to CP or CE 4.5 0 0 0 ns