Texas Instruments SN74ALS642A-1NS Buffers, Drivers, Receivers, Transceivers
PROTOTYPE

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74ALS642A-1NS
Series
Detailed Description
PROTOTYPE
Package
20-SOIC (0.209", 5.30mm Width)
Key Features
Package / Case: 20-SOIC (0.209", 5.30mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74ALS642A-1NS Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74ALS642A-1NS Buffers, Drivers, Receivers, Transceivers technical specifications.
General
Series
74ALS
Package / Case
20-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
4.5V ~ 5.5V
Output Type
Open Collector
Number of Elements
1
Logic Type
Transceiver, Inverting
Number of Bits Per Element
8
Current Output High Low
100µA, 24mA
Alternate Parts Comparison (SN74ALS642A-1NS vs SN74ALS153DR vs SN74ALS156DR vs SN74ALS03BDR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-SOIC | 16-SOIC | 16-SOIC | 14-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Supply Voltage | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Current Output High Low | 100µA, 24mA | 2.6mA, 24mA | 100µA, 8mA | -, 8mA |
| Action |
More Parts in Buffers, Drivers, Receivers and Transceivers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.