SCHS185E September   1997  – April 2022 CD54HCT390 , CD74HC390 , CD74HCT390

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
    2. 5.2 Recommended Operating Conditions (1)
    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 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

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

5.6 Switching Characteristics

Input tr, tf = 6 ns. Unless otherwise specified, CL = 50pF. (see Parameter Measurement Information)
PARAMETER VCC(V) 25℃ -40℃ to 85℃ -55℃ to 125℃ UNIT
TYP MAX MAX MAX
HC TYPES
tpd nCLKA to nQA 2 175 220 265 ns
4.5 14(3) 35 44 53 ns
6 30 37 45 ns
nCLKB to nQB 2 185 230 280 ns
4.5 37 46 56 ns
6 31 39 48 ns
nCLKB to nQC 2 245 305 370 ns
4.5 49 61 74 ns
6 42 52 63 ns
nCLKB to nQD 2 180 225 270 ns
4.5 15(3) 36 45 54 ns
6 31 38 46 ns
nCLKA to nQD
2 365 455 550 ns
4.5 73 91 110 ns
6 62 77 94 ns
CLR to Qn 2 190 240 285 ns
4.5 16(3) 38 48 57 ns
6 32 41 48 ns
tt Output Transition Times 2 75 95 110 ns
4.5 15 19 22 ns
6 13 16 19 ns
CIN Input Capacitance 10 10 10 pF
CPD Power Dissipation Capacitance(1)(2) 5 28(3) pF
HCT TYPES
tpd nCLKA to nQA 4.5 17(3) 40 50 60 ns
nCLKB to nQB 4.5 43 51 65 ns
nCLKB to nQC 4.5 55 69 83 ns
nCLKB to nQD 4.5 18(3) 42 53 63 ns
nCLKA to nQC
4.5 84 105 126 ns
CLR to Qn 4.5 18(3) 42 53 63 ns
tt Output Transition Times 4.5 15 19 22 ns
CIN Input Capacitance 10(4) 10(4) 10(4) pF
CPD Power Dissipation Capacitance(1)(2) 5 32(3) pF
(1) CPD is used to determine the dynamic power consumption, per package.
(2) PD = VCC2 fi + Σ (CL VCC2 + fO) where fi = Input Frequency, fO = Output Frequency, CL = Output Load Capacitance, VCC = Supply Voltage.
(3) CL = 15 pF and VCC = 5 V.
(4) CL = 15 pF