SCHS288A December   1998  – December 2024 CD54AC299 , CD54ACT299 , CD74AC299 , CD74AC323 , CD74ACT299

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 Static Electrical Characteristics, AC Series
    6. 4.6 Static Electrical Characteristics, ACT Series
    7. 4.7 Switching Characteristics, AC Series
    8. 4.8 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
      2. 7.2.2 Layout Example
  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

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

3 Pin Configuration and Functions

CD54AC299 CD74AC299 CD74AC323 CD54ACT299 CD74ACT299 Terminal AssignmentFigure 3-1 Terminal Assignment
Pin Functions
PIN TYPE1 DESCRIPTION
NO. NAME
1 SO I Mode select 0
2 !OE1 I Output enable, active low
3 !OE2 I Output enable, active low
4 I/O6 O Parallel data input/output
5 I/O4 O Parallel data input/output
6 I/O2 O Parallel data input/output
7 I/O0 O Parallel data input/output
8 Q0 O Serial output
9 !MR I Master reset, active low
10 GND - Ground
11 DSO I Serial data input
12 CP I Clock, rising edge triggered
13 I/O1 O Parallel data input/output
14 I/O3 O Parallel data input/output
15 I/O5 O Parallel data input/output
16 I/O7 O Parallel data input/output
17 Q7 O Serial output
18 DS7 I Serial data input
19 S1 I Mode select
20 VCC - Supply
(1) Signal Types: I = Input, O = Output, I/O = Input or Output