SCHS287C December   2023  – May 2024 CD54AC240 , CD54AC244 , CD54ACT240 , CD54ACT241 , CD54ACT244 , CD74AC240 , CD74AC244 , CD74ACT240 , CD74ACT241 , CD74ACT244

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 Recommended Operating Conditions
    3. 4.3 Thermal Information
    4. 4.4 Static Electrical Characteristics: AC Series
    5. 4.5 Electrical Characteristics: ACT Series
    6. 4.6 Switching Characteristics: AC Series
    7. 4.7 Switching Characteristics: ACT Series
  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)
  • N|20
  • DW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

3 Pin Configuration and Functions

Table 3-1 Pin Functions
PIN TYPE(1) DESCRIPTION
NO. NAME
1OE 1 I Bank 1, output enable, active low
1A0 2 I Bank 1, channel 1 input
2Y3 3 O Bank 2, channel 4 output
1A1 4 I Bank 1, channel 2 input
2Y2 5 O Bank 2, channel 3 output
1A2 6 I Bank 1, channel 3 input
2Y1 7 O Bank 2, channel 2 output
1A3 8 I Bank 1, channel 4 input
2Y0 9 O Bank 2, channel 1 output
GND 10

G

 Ground
2A0 11 I Bank 2, channel 1 input
1Y3 12 O Bank 1, channel 4 output
2A1 13 I Bank 2, channel 2 input
1Y2 14 O Bank 1, channel 3 output
2A2 15 I Bank 2, channel 3 input
1Y1 16 O Bank 1, channel 2 output
2A3 17 I Bank 2, channel 4 input
1Y0 18 O Bank 1, channel 1 output
2OE 19 I Bank 2, output enable, active low
VCC 20

P

 Positive supply
Thermal pad(2) — The thermal pad can be connected to GND or left floating. Do not connect to any other signal or supply
(1) I = input, O = output, I/O = input or output, G = ground, P = power.
(2) RKS package only.