SCLS352I July   1997  – January 2025 SN54AHC123A , SN74AHC123A

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  Timing Requirements, VCC = 3.3V ± 0.3V
    7. 4.7  Timing Requirements, VCC = 5 V ± 0.5 V
    8. 4.8  Switching Characteristics, VCC = 3.3V ± 0.3V
    9. 4.9  Switching Characteristics, VCC = 5V ± 0.5V
    10. 4.10 Operating Characteristics
    11. 4.11 Input/Output Timing Diagram
  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 Application Information
      1. 7.1.1 Caution in Use
      2. 7.1.2 Output Pulse Duration
      3. 7.1.3 Power-down Considerations
      4. 7.1.4 Retriggering Data
    2. 7.2 Power Supply Recommendations
    3. 7.3 Layout
      1. 7.3.1 Layout Guidelines
      2. 7.3.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      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

2 Description

The ’AHC123A devices are dual retriggerable monostable multivibrators designed for 2V to 5.5V VCC operation.

Device Information
PART NUMBER PACKAGE(1) PACKAGE SIZE(2) BODY SIZE (NOM)(3)
SNx4AHC123A DB (SSOP, 16) 6.50mm x 7.8mm 6.50mm x 5.30mm
PW (TSSOP, 16) 5.00mm x 6.4mm 5.00mm x 4.40mm
DGV (TVSOP, 16) 3.60mm x 6.4mm 3.60mm x 4.40mm
N (PDIP, 16) 19.3mm x 9.4mm 19.3mm x 6.35mm
D (SOIC, 16) 9.00mm x 6mm 9.00mm x 3.90mm
(2) The package size (length × width) is a nominal value and includes pins, where applicable.
(3) The body size (length × width) is a nominal value and does not include pins.
SN54AHC123A SN74AHC123A Logic Diagram, Each Multivibrator (Positive Logic)Logic Diagram, Each Multivibrator (Positive Logic)