SCLS265S December   1995  – February 2024 SN54AHCT126 , SN74AHCT126

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
    5. 5.5 Electrical Characteristics
    6. 5.6 Switching Characteristics, VCC = 5 V ± 0.5 V
    7. 5.7 Noise Characteristics
    8. 5.8 Operating Characteristics
    9. 5.9 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 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

4 Pin Configuration and Functions

GUID-9D6169B2-89E3-4E49-9DC8-DFEC961EEDC7-low.svgFigure 4-1 SN54AHCT126 J or W Packages,
CDIP or CFP
SN74AHCT126 D, DB, DGV, N, NS, or PW Packages, 14-Pin SOIC, SSOP, TVSOP, PDIP, SOP or TSSOP (Top View)
GUID-20201015-CA0I-LQFS-9PNL-TGTTRK8F980W-low.gifFigure 4-3 SNx4AHCT126 BQA Package, 14-Pin WQFN (Top View)
GUID-F7732B3E-98AE-4CDB-A357-05F741A7CA47-low.svgFigure 4-2 SN54AHCT126 FK Package, 20-Pin LCCC (Top View)
Table 4-1 Pin Functions
PIN TYPE(1) DESCRIPTION
NAME SN74AHCT126 SN54AHCT126
D, DB, DGV,
N, NS, PW, BQA		 J, W FK
1A 2 2 3 I 1A Input
1OE 1 1 2 I Output Enable 1
1Y 3 3 4 O 1Y Output
2A 5 5 8 I 2A Input
2OE 4 4 6 I Output Enable 2
2Y 6 6 9 O 2Y Output
3A 9 9 13 I 3A Input
3OE 10 10 14 I Output Enable 3
3Y 8 8 12 O 3Y Output
4A 12 12 18 I 4A Input
4OE 13 13 19 I Output Enable 4
4Y 11 11 16 O 4Y Output
GND 7 7 10 — Ground Pin
NC — 1 — No Connection
5
7
11
15
17
VCC 14 14 20 — Power Pin
Thermal Pad(2) — Thermal Pad
(1) I = input, O = output
(2) For BQA package only