Component Details
- Part Number
SN74LS21D- Manufacturer
- Texas Instruments
- DigiKey P/N
2156-SN74LS21D-ND- Lifecycle
- Obsolete
Stock & Pricing
- Distribution Stock
- 21,374 units
- Lead Time
- 12 weeks
- Reference Price (1 pc)
- $0.8900
Specifications
| Parameter | Value |
|---|---|
| Logic Type | AND Gate |
| Number of Circuits | 2 |
| Number of Inputs | 4 |
| Voltage - Supply | 4.75V ~ 5.25V |
| Current - Output High, Low | 400µA, 8mA |
| Input Logic Level - Low | 0.8V |
| Input Logic Level - High | 2V |
| Max Propagation Delay @ V, Max CL | 20ns @ 5V, 15pF |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Supplier Device Package | 14-SOIC |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
Packaging Options
| Package | DigiKey P/N | Stock | MOQ | Price (1) |
|---|---|---|---|---|
| Bulk | 2156-SN74LS21D-ND |
20,760 | 338 | $0.8900 |
| Tube | 296-3671-5-ND |
614 | 1 | $1.1600 |
Datasheet
Download SN74LS21D Datasheet (PDF)Need the SN74LS21D?
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The SN74LS21D is classified under Logic in the Integrated Circuits (ICs) category, part of the 74LS series.
SN74LS21D Specifications
| Parameter | Value |
|---|---|
| Logic Type | AND Gate |
| Number of Circuits | 2 |
| Number of Inputs | 4 |
| Voltage – Supply | 4.75V ~ 5.25V |
| Current – Output High, Low | 400µA, 8mA |
| Input Logic Level – Low | 0.8V |
| Input Logic Level – High | 2V |
| Max Propagation Delay @ V, Max CL | 20ns @ 5V, 15pF |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Supplier Device Package | 14-SOIC |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
Availability & Supply Status
- Status: Obsolete – We Can Source
- Lifecycle: Obsolete
- Distribution Stock: 21,374 units
- Standard Lead Time: 12 weeks
Datasheet
Download the official SN74LS21D datasheet (PDF) for full electrical characteristics, pinout diagrams, and application notes.
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Data last verified: 3 weeks ago. Availability may have changed — check current stock.