SCHS249C November   1998  – May 2024 CD54AC273 , CD54ACT273 , CD74AC273 , CD74ACT273

PRODUCTION DATA  

  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 ESD Ratings
    3. 4.3 Recommended Operating Conditions
    4. 4.4 Thermal Information
    5. 4.5 Electrical Characteristics
    6. 4.6 Prerequisite for Switching Function
    7. 4.7 Switching Characteristics
  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
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      1. 8.1.1 Related Documentation
    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

Package Options

Refer to the PDF data sheet for device specific package drawings

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

4.5 Electrical Characteristics

PARAMETER TEST CONDITIONS V CC (V) 25°C -40°C TO 85 °C -55°C TO 125°C UNITS
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 - V
5.5 3.85 - 3.85 - 3.85 - V
VIL Low Level Input Voltage - - 1.5 - 0.3 - 0.3 - 0.3 V
3 - 0.9 - 0.9 - 0.9 V
5.5 - 1.65 - 1.65 - 1.65 V
VOH High Level Output Voltage VIH or VIL -0.05 1.5 1.4 - 1.4 - 1.4 - V
-0.05 3 2.9 - 2.9 - 2.9 - V
-0.05 4.5 4.4 - 4.4 - 4.4 - V
-4 3 2.58 - 2.48 - 2.4 - V
-24 4.5 3.94 - 3.8 - 3.7 - V
-75 (1)(2) 5.5 - - 3.85 - - - V
-50 (1) (2) 5.5 - - - - 3.85 - V
VOL Low Level Output Voltage VIH or VIL 0.05 1.5 - 0.1 - 0.1 - 0.1 V
0.05 3 - 0.1 - 0.1 - 0.1 V
0.05 4.5 - 0.1 - 0.1 - 0.1 V
12 3 - 0.36 - 0.44 - 0.5 V
24 4.5 - 0.36 - 0.44 - 0.5 V
75(1)(2) 5.5 - - - 1.65 - - V
50(1)(2) 5.5 - - - - - 1.65 V
II Input Leakage Current VCC or GND - 5.5 - ±0.1 - ±1 - ±1 μA
ICC Quiescent Supply Current MSI VCC or GND 0 5.5 - 8 - 80 - 160 μA
ACT 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 VIH or VIL -0.05 4.5 4.4 - 4.4 - 4.4 - V
-24 4.5 3.94 - 3.8 - 3.7 - V
-75(1)(2) 5.5 - - 3.85 - - - V
-50(1)(2) 5.5 - - - - 3.85 - V
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 V
75(1)(2) 5.5 - - - 1.65 - - V
50(1)(2) 5.5 - - - - - 1.65 V
II Input Leakage Current VCC or GND - 5.5 - ±0.1 - ±1 - ±1 μA
ICC Quiescent Supply Current MSI VCC or GND 0 5.5 - 8 - 80 - 160 μA
ΔICC 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.
(2) Test verifies a minimum 50Ω transmission-line-drive capability at 85°C, 75Ω at 125°C.
Table 4-1 ACT Input Load Table
INPUT UNIT LOAD
Dn 0.5
MR 0.57
CP 1