SCHS196E September   1997  – October 2022 CD54HC688 , CD54HCT688 , CD74HC688 , CD74HCT688

PRODMIX  

  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 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)
  • N|20
  • DW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.4 Electrical Characteristics

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 = –4 mA 4.5 3.98 3.84 3.7
IOH = –5.2 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 = 4 mA 4.5 0.26 0.33 0.4
IOL = 5.2 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
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
VOL

Low level output voltage

 IOL = 20 μA 4.5 0.1 0.1 0.1 V

Low level output voltage

 IOL = 4 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
ΔICC(1) Additional supply current per input pin Enable inputs held at VCC –2.1 4.5 to 5.5 100 252 315 343 μA
Data inputs held at VCC –2.1 4.5 to 5.5 100 126 157.5 171.5 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.