SCHS167G November   1998  – October 2022 CD54HC240 , CD54HC244 , CD54HCT240 , CD54HCT241 , CD54HCT244 , CD74HC240 , CD74HC241 , CD74HC244 , CD74HCT240 , CD74HCT241 , CD74HCT244

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 '240
    5. 5.5 Electrical Characteristics '241
    6. 5.6 Electrical Characteristics '244
    7. 5.7 Switching Characteristics '240
    8. 5.8 Switching Characteristics '241
    9. 5.9 Switching Characteristics '244
  6. 6 Parameter Measurement Information
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
  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|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.6 Electrical Characteristics '244

PARAMETER TEST CONDITIONS(2) VCC (V) 25℃ –40℃ to 85℃ –55℃ to 125℃ UNIT
MIN TYP MAX MIN MAX MIN MAX
HC TYPES
VIH High level input voltage 2 1.5 1.5 1.5 V
4.5 3.15 3.15 3.15
6 4.2 4.2 4.2
VIL Low level input voltage 2 0.5 0.5 0.5 V
4.5 1.35 1.35 1.35
6 1.8 1.8 1.8
VOH

High level output voltage

 IOH = – 20 μA 2 1.9 1.9 1.9 V
IOH = – 20 μA 4.5 4.4 4.4 4.4
IOH = – 20 μA 6 5.9 5.9 5.9

High level output voltage

 IOH = – 6 mA 4.5 3.98 3.84 3.7
IOH = – 7.8 mA 6 5.48 5.34 5.2
VOL

Low level output voltage

 IOL = 20 μA 2 0.1 0.1 0.1 V
IOL = 20 μA 4.5 0.1 0.1 0.1
IOL = 20 μA 6 0.1 0.1 0.1

Low level output voltage

 IOL = 6 mA 4.5 0.26 0.33 0.4
IOL = 7.8 mA 6 0.26 0.33 0.4
II Input leakage current VI = VCC or GND 6 ±0.1 ±1 ±1 μA
ICC Supply current VI = VCC or GND 6 8 80 160 μA
IOZ Three-state leakage current 6 ±0.5 ±0.5 ±10 μA
HCT TYPES
VIH High level input voltage 4.5 to 5.5 2 2 2 V
VIL Low level input voltage 4.5 to 5.5 0.8 0.8 0.8 V
VOH

High level output voltage

 VOH = – 20 μA 4.5 4.4 4.4 4.4 V

High level output voltage

 VOH = – 6 mA 4.5 3.98 3.84 3.7
VOL

Low level output voltage

 VOL = 20 μA 4.5 0.1 0.1 0.1 V

Low level output voltage

 VOL = 6 mA 4.5 0.26 0.33 0.4
II Input leakage current VI = VCC or GND 5.5 ±0.1 ±1 ±1 μA
ICC Supply current VI = VCC or GND 5.5 8 80 160 μA
IOZ Three-state leakage current 5.5 ±0.5 ±5 ±10 μA
ΔICC(1) Additional supply current per input pin nA0 - A3 inputs held at VCC – 2.1 4.5 to 5.5 100 252 315 343 μA
1OE inputs held at VCC – 2.1 4.5 to 5.5 100 252 315 343 μA
2OE inputs held at VCC – 2.1 4.5 to 5.5 100 252 315 343 μA
(1) For dual-supply systems theoretical worst case (VI = 2.4 V, VCC = 5.5 V) specification is 1.8 mA.
(2) VI = VIH or VIL, unless otherwise noted.