SCLS347L
May 1996 – April 2024
SN74AHCT157
PRODUCTION DATA
1
1
Features
2
Description
3
Pin Configuration and Functions
4
Specifications
4.1
Absolute Maximum Ratings
4.2
Recommended Operating Conditions
4.3
Thermal Information
4.4
Electrical Characteristics
4.5
Switching Characteristics
4.6
Noise Characteristics
4.7
Operating Characteristics
4.8
Typical Characteristics
5
Parameter Measurement Information
6
Detailed Description
6.1
Functional Block Diagram
6.2
Device Functional Modes
7
Application and Implementation
7.1
Power Supply Recommendations
7.2
Layout
7.2.1
Layout Guidelines
7.2.1.1
Layout Example
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Links
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
4.3
Thermal Information
THERMAL METRIC
(1)
SN74AHCT157
UNIT
D
DB
DGV
N
NS
PW
16 PINS
R
θJA
(2)
Junction-to-ambient thermal resistance
73
82
120
67
64
135.9
°C/W
(1)
For more information about traditional and new thermal metrics, see the
Semiconductor and IC package thermal metrics
application report.
(2)
The package thermal impedance is calculated in accordance with JESD 51-7.