SCHS245D November   1998  – April 2024 CD54AC245 , CD54ACT245 , CD74AC245 , CD74ACT245

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Description
  4. 3 Pin Configuration and Functions
  5. 4 Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 Recommended Operating Conditions
    3. 4.3 Thermal Information
    4. 4.4 Electrical Characteristics
    5. 4.5 Switching Characteristics
    6. 4.6 Timing Diagrams
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
      2. 7.2.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Links
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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)

4.4 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC TA = 25°C -40°C TO 85°C -55°C TO 125°C UNIT
VI (V) IO (mA) MIN MAX MIN MAX MIN MAX
AC TYPES
VIH High -level input voltage 1.5 1.2 1.2 1.2 V
3 2.1 2.1 2.1
5.5 3.85 3.85 3.85
VIL Low- level input voltage VIL 1.5 0.3 0.3 0.3 V
3 0.9 0.9 0.9
5.5 1.65 1.65 1.65
VOH High -level output voltage VIH or VIL -0.05 1.5 1.4 1.4 1.4 VVOH
-0.05 3 2.9 2.9 2.9
-0.05 4.5 4.4 4.4 4.4
-4 3 2.58 2.48 2.4
-24 4.5 3.94 3.8 3.7
-75 5.5 3.85
-50 5.5 3.85
VOL Low-level output voltage VIH or VIL 0.05 1.5 V 0.1 0.1 0.1 V
0.05 3 V 0.1 0.1 0.1
0.05 4.5 V 0.1 0.1 0.1
12 3 V 0.36 0.44 0.5
24 4.5 V 0.36 0.44 0.5
751 5.5 V 1.65
501 5.5 V 1.65
II Input leakage current VCC or GND 5.5 ± 0.1 ± 1 ± 1 µ A
IOZ Three-state leakage current VIH or VIL, VO = VCC or GND 5.5 V ± 0.5 ± 5 ± 10 µ A
ICC Quiescent supply current MSI VCC or GND 0 5.5 V 8 80 160 µ A
ACT TYPES
VIH High- level input voltage 4.5 V to 5.5 V 2 2 2 V
VIL Low- level input voltage 4.5 V to 5.5 V 0.8 0.8 0.8 V
VOH High- level output voltage VIH or VIL -0.05 4.5 V 4.4 4.4 4.4 0.8 V
-24 4.5 V 3.94 3.8 3.7
-751 5.5 V 3.85
-50 5.5 V 3.85
VOL Low-level output voltage VIH or VIL 0.05 4.5 0.1 0.1 0.1 V
24 4.5 0.36 0.44 0.5
751 5.5 1.65
501 5.5 1.65
V
II Input leakage current VCC or GND 5.5 V ± 0.1 ± 1 ± 1 µA
IOZ Three-state or leakage current VIH or VILVO = VCC or GND 5.5 V ± 0.5 ± 5 ± 10 µA
ICC Quiescent supply current MSI VCC or GND 0 5.5 V 8 80 160 µA
∆ ICC Additional supply current per input pin TTL inputs high 1 unit load VCC -2.1 4.5 to 5.5 2.4 2.8 3 mA
  1. Test one output at a time for a 1-second maximum duration. Measurement is made by forcing current and measuring voltage to minimize power dissipation. Test verifies a minimum 50Ω transmission-line-drive capability at 85°C, 75Ω at 125°C.