SCAS515G June   1995  – March 2024 SN54ACT240 , SN74ACT240

PRODMIX  

  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 Recommended Operating Conditions
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Switching Characteristics
    6. 5.6 Operating 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
      1. 7.3.1 Balanced CMOS Push-Pull Outputs
    4. 7.4 Device Functional Modes
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 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
  • RKS|20
  • NS|20
  • N|20
  • DGS|20
  • DW|20
  • PW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4 Pin Configuration and Functions

GUID-F9C0C1D8-4332-481C-A21B-0E3D44985379-low.pngFigure 4-1 SN54ACT240 J or W Package; SN74ACT240 DB, DGS, DW, N, NS, or PW Package, (Top View)
GUID-20210730-SS0I-6FGJ-V3VL-1HLPZRRWNCKT-low.gifFigure 4-3 SNx4ACT240 VQFN Package (Top View)
GUID-46CC4324-82BF-45BD-8E1D-C00308126B98-low.pngFigure 4-2 SN54ACT240 FK Package (Top View)
Table 4-1 Pin Functions
PIN TYPE(1) DESCRIPTION
NAME NO.
1OE 1 I Output enable 1
1A1 2 I 1A1 input
2Y4 3 O 2Y4 output
1A2 4 I 1A2 input
2Y3 5 O 2Y3 output
1A3 6 I 1A3 input
2Y2 7 O 2Y2 output
1A4 8 I 1A4 input
2Y1 9 O 2Y1 output
GND 10 — Ground pin
2A1 11

I

 2A1 input
1Y4 12 O 1Y4 output
2A2 13

I

 2A2 input
1Y3 14 O 1Y3 output
2A3 15 I 2A3 input
1Y2 16 O 1Y2 output
2A4 17 I 2A4 input
1Y1 18 O 1Y1 output
2OE 19 I Output enable 2
VCC 20 — Power pin
Thermal pad(2) — The thermal pad can be connect to GND or left floating. Do not connect to any other signal or supply.
(1) Signal Types: I = Input, O = Output, I/O = Input or Output
(2) RKS package only