SCAS287W January   1993  – December 2024 SN54LVC74A , SN54LVC74A-SP , SN74LVC74A

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information: SN74LVC74A
    5. 5.5  Electrical Characteristics
    6. 5.6  Timing Requirements: SN54LVC74A
    7. 5.7  Timing Requirements: SN74LVC74A
    8. 5.8  Timing Requirements: SN74LVC74A, –40°C to 125°C and –40°C to 85°C
    9. 5.9  Switching Characteristics: SN54LVC74A
    10. 5.10 Switching Characteristics: SN74LVC74A
    11. 5.11 Switching Characteristics: SN74LVC74A, –40°C to 125°C and –40°C to 85°C
    12. 5.12 Operating Characteristics
    13. 5.13 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

3 Description

The SNx4LVC74A devices integrate two positive-edge triggered D-type flip-flops in one convenient device.

The SN54LVC74A is designed for 2.7V to 3.6V VCC operation, and the SN74LVC74A is designed for 1.65V to 3.6V VCC operation.

Device Information
PART NUMBER PACKAGE (1) PACKAGE SIZE(2) BODY SIZE(3)
SNx4LVC74A BQA (WQFN, 14) 3mm × 2.5mm 3mm × 2.5mm
D (SOIC, 14) 8.65mm x 6mm 8.65mm × 3.91mm
DB (SSOP, 14) 6.2mm x 7.8mm 6.20mm × 5.30mm
NS (SOP, 14) 10.2mm x 7.8mm 10.20mm × 5.30mm
PW (TSSOP, 14) 5mm x 6.4mm 5.00mm × 4.40mm
RGY (VQFN, 14) 3.50mm × 3.50mm 3.50mm × 3.50mm
J (CDIP, 14) 19.55mm x 7.9mm 19.56 mm × 6.67 mm
W (CFP, 14) 9.21mm x 9 mm 9.21 mm × 5.97 mm
FK (LCCC, 20) 8.9mm x 8.9mm 8.89 mm × 8.89 mm
(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.
SN54LVC74A SN74LVC74A Logic Diagram, Each Flip-Flop (Positive Logic)Logic Diagram, Each Flip-Flop (Positive Logic)