Texas Instruments SN74LS21N Gates and Inverters
Dual 4-input bipolar AND gate IC, operating from 4.75V to 5.25V with a typical 5V supply.
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74LS21N
Series
Base Model
Detailed Description
Dual 4-input bipolar AND gate IC, operating from 4.75V to 5.25V with a typical 5V supply. Features 2 channels, each with 4 input lines and 1 output line, designed for through-hole mounting in a 14-PDIP package. Offers a low-level output current of 8mA and a high-level output current of -400uA, with a propagation delay of 20ns. This RoHS compliant component operates within a temperature range of 0°C to 70°C.
Package
PDIP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74LS21N Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74LS21N Gates and Inverters technical specifications.
General
Series
74LS
RoHS
Yes
Number of Channels
2
Package / Case
14-DIP
Mounting Type
Through Hole
Operating Temperature
0°C ~ 70°C
Supply Voltage
5V
Package
PDIP
Height
4.57mm
High Level Output Current
-400uA
Alternate Parts Comparison (SN74LS21N vs SN74LS151DR vs SN74LS153DR vs SN74LS155ADR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 14-DIP | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Supply Voltage | 5V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Current Output High Low | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA |
| Circuit | -- | 1 x 8:1 | 2 x 4:1 | 1 x 2:4 |
| Independent Circuits | -- | 1 | 1 | 2 |
| Type | -- | Multiplexer | Multiplexer | Decoder/Demultiplexer |
| Voltage Supply Source | -- | Single Supply | Single Supply | Single Supply |
| Action |
Texas Instruments SN74LS21N Gates and Inverters Overview
Dual 4-input bipolar AND gate IC, operating from 4.75V to 5.25V with a typical 5V supply. Features 2 channels, each with 4 input lines and 1 output line, designed for through-hole mounting in a 14-PDIP package. Offers a low-level output current of 8mA and a high-level output current of -400uA, with a propagation delay of 20ns.
This RoHS compliant component operates within a temperature range of 0°C to 70°C.
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