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CDx4HCT125 Quadruple Buffers with 3-State Outputs
SCHS415A
June 2020 – August 2024
CD54HCT125
,
CD74HCT125
PRODUCTION DATA
CONTENTS
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CDx4HCT125 Quadruple Buffers with 3-State Outputs
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Switching Characteristics
5.7
Operating Characteristics
5.8
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Balanced CMOS 3-State Outputs
7.3.2
TTL-Compatible CMOS Inputs
7.3.3
Clamp Diode Structure
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.1.1
Power Considerations
8.2.1.2
Input Considerations
8.2.1.3
Output Considerations
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
N|14
MPDI002C
D|14
MPDS177H
Thermal pad, mechanical data (Package|Pins)
Orderable Information
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Data Sheet
CDx4HCT125 Quadruple Buffers with 3-State Outputs
1
Features
LSTTL input logic compatible
V
IL(max)
= 0.8V, V
IH(min)
= 2V
CMOS input logic compatible
I
I
≤ 1µA at V
OL
, V
OH
Buffered inputs
4.5V to 5.5V operation
Wide operating temperature range: -55°C to +125°C
Supports fanout up to 10 LSTTL loads
Significant power reduction compared to LSTTL logic ICs
2
Applications
Enable digital signals