SCHS147J November   1998  – November 2021 CD54HC138 , CD54HC238 , CD54HCT138 , CD54HCT238 , CD74HC138 , CD74HC238 , CD74HCT138 , CD74HCT238

PRODUCTION DATA  

  1. 1 Features
  2. 2 Description
  3. 3 Revision History
  4. 4 Pin Configuration and Functions
    1.     5
  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 (2)
  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

5.4 Electrical Characteristics

PARAMETER TEST CONDITIONS(1) VCC(V) 25°C -40°C to 85°C -55°C to 125°C 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 V
6 4.2 4.2 4.2 V
VIL Low-level input voltage 2 0.5 0.5 0.5 V
4.5 1.35 1.35 1.35 V
6 1.8 1.8 1.8 V
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 V
IOH = – 20 μA 6 5.9 5.9 5.9 V
High-level output voltage IOH = – 4 mA 4.5 3.98 3.84 3.7 V
IOH = – 5.2 mA 6 5.48 5.34 5.2 V
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 V
IOL = 20 μA 6 0.1 0.1 0.1 V
Low-level output voltage IOL = 4 mA 4.5 0.26 0.33 0.4 V
IOL = 5.2 mA 6 0.26 0.33 0.4 V
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
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 IOH = – 20 μA 4.5 4.4 4.4 4.4 V
High-level output voltage IOH = – 4 mA 4.5 3.98 3.84 3.7 V
VOL Low-level output voltage IOL = 20 μA 4.5 0.1 0.1 0.1 V
Low-level output voltage IOH = 4 mA 4.5 0.26 0.33 0.4 V
II Input leakage current VI = VCC and GND 5.5 ±0.1 ±1 ±1 µA
ICC Supply current VI = VCC and GND 5.5 8 80 160 µA
∆ICC Additional supply current per input pin A0 - A2 inputs held at VCC – 2.1 V 4.5 to 5.5 100 540 675 735 µA
G0 and G1 inputs held at VCC – 2.1 V 4.5 to 5.5 100 450 562.5 612.5 µA
G2 input held at VCC – 2.1 V 4.5 to 5.5 100 360 450 490 µA
(1) VI = VIH or VIL, unless otherwise noted.