SCHS119B November   1998  – July 2022 CD54HC245 , CD54HCT245 , CD74HC245 , CD74HCT245

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
    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.     14
    3. 7.2 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|20
  • DW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Switching Characteristics

Input tt= 6ns. Unless otherwise specified, CL = 50pF(2)
PARAMETER 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 Propagation delay data to output 2 110 140 165 ns
4.5 22 28 33
6 19 24 28
tdis Output disable to output 2 150 190 225 ns
4.5 30 38 45
6 26 33 38
ten Output enable to output 2 150 190 225 ns
4.5 30 38 45
6 26 33 38
tt Output transition time 2 60 75 90 ns
4.5 12 15 18
6 10 13 15
Ci Input capacitance 10 10 10 10 pF
Cio Three-state output capacitance 20 20 20 pF
Cpd Power dissipation capacitance 5 53 pF
HCT TYPES
tpd Data to output 4.5 26 33 39 ns
tdis Output disable to output 4.5 30 38 45 ns
ten Output enable to output 4.5 32 40 48 ns
tt Output transition time 4.5 12 15 18 ns
Ci Input capacitance 10 10 10 10 pF
Cio Three-state output capacitance 20 20 20 pF
Cpd Power dissipation capacitance(1)(2) 5 55 pF
(1) CPD is used to determine the dynamic power consumption, per channel.
(2) PD = VCC2 fi (CPD + CL) where fi = Input Frequency, CL = Output Load Capacitance, VCC = Supply Voltage.