-
Part Symbol
-
Footprint
-
3D Model
Available Download Formats
By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy
Part Details for SN74LS21DR by Texas Instruments
Results Overview of SN74LS21DR by Texas Instruments
- Distributor Offerings: (8 listings)
- Number of FFF Equivalents: (2 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Energy and Power Systems
SN74LS21DR Information
SN74LS21DR by Texas Instruments is a Gate.
Gates are under the broader part category of Logic Components.
Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.
Price & Stock for SN74LS21DR
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
2156-SN74LS21DR-ND
|
DigiKey | IC GATE AND 2CH 4-INP 14SOIC Min Qty: 1 Lead time: 6 Weeks Container: Bulk MARKETPLACE PRODUCT |
2500 In Stock |
|
$0.3500 | Buy Now |
|
DISTI #
296-38800-1-ND
|
DigiKey | IC GATE AND 2CH 4-INP 14SOIC Min Qty: 1 Lead time: 6 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
1818 In Stock |
|
$0.2641 / $0.6300 | Buy Now |
|
DISTI #
595-SN74LS21DR
|
Mouser Electronics | Logic Gates Dual 4-input Positiv e-AND Gates A 595-SN74LS21D RoHS: Compliant | 11607 |
|
$0.2570 / $0.6300 | Buy Now |
|
DISTI #
V72:2272_07345639
|
Arrow Electronics | AND Gate 2-Element 4-IN Bipolar 14-Pin SOIC T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 6 Weeks Date Code: 1631 Container: Cut Strips | Americas - 1222 |
|
$0.1339 / $0.2545 | Buy Now |
|
DISTI #
86041155
|
Verical | AND Gate 2-Element 4-IN Bipolar 14-Pin SOIC T/R RoHS: Compliant Min Qty: 995 Package Multiple: 1 Date Code: 9601 | Americas - 2500 |
|
$0.2599 / $0.3773 | Buy Now |
|
|
Rochester Electronics | SN74LS21 Dual 4-input positive-AND gates RoHS: Compliant Status: Active Min Qty: 1 | 2500 |
|
$0.2079 / $0.3353 | Buy Now |
|
DISTI #
SN74LS21DR
|
Chip One Stop | Semiconductors RoHS: Compliant pbFree: Yes Min Qty: 5 Lead time: 0 Weeks, 1 Days Container: Cut Tape | 819 |
|
$0.2020 | Buy Now |
|
|
LCSC | 4.75V5.25V 2 20ns5V15pF AND Gate SOIC-14 Logic Gates ROHS | 82 |
|
$0.4001 / $0.4229 | Buy Now |
Part Details for SN74LS21DR
SN74LS21DR CAD Models
SN74LS21DR Part Data Attributes
|
|
SN74LS21DR
Texas Instruments
Buy Now
Datasheet
|
Compare Parts:
SN74LS21DR
Texas Instruments
2-ch, 4-input, 4.75-V to 5.25-V 16-mA drive strength bipolar AND gate 14-SOIC 0 to 70
|
| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOIC | |
| Pin Count | 14 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Family | LS | |
| JESD-30 Code | R-PDSO-G14 | |
| JESD-609 Code | e4 | |
| Length | 8.65 mm | |
| Load Capacitance (CL) | 15 pF | |
| Logic IC Type | AND GATE | |
| Max I(ol) | 0.008 A | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 2 | |
| Number of Inputs | 4 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP14,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Packing Method | TR | |
| Peak Reflow Temperature (Cel) | 260 | |
| Power Supply Current-Max (ICC) | 4.4 mA | |
| Prop. Delay@Nom-Sup | 20 ns | |
| Propagation Delay (tpd) | 20 ns | |
| Qualification Status | Not Qualified | |
| Schmitt Trigger | NO | |
| Seated Height-Max | 1.75 mm | |
| Supply Voltage-Max (Vsup) | 5.25 V | |
| Supply Voltage-Min (Vsup) | 4.75 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | YES | |
| Technology | TTL | |
| Temperature Grade | COMMERCIAL | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3.9 mm |
Alternate Parts for SN74LS21DR
This table gives cross-reference parts and alternative options found for SN74LS21DR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74LS21DR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SN74LS21D | Motorola Mobility LLC | Check for Price | LS SERIES, DUAL 4-INPUT AND GATE, PDSO14, SOIC-14 | SN74LS21DR vs SN74LS21D |
| SN74LS21DRE4 | Texas Instruments | Check for Price | LS SERIES, DUAL 4-INPUT AND GATE, PDSO14, PLASTIC, SO-14 | SN74LS21DR vs SN74LS21DRE4 |
SN74LS21DR Frequently Asked Questions (FAQ)
-
The maximum operating frequency of the SN74LS21DR is 25 MHz.
-
The SN74LS21DR is compatible with 5V logic, but it is not recommended for use with 3.3V logic due to its limited output drive capability.
-
The typical power consumption of the SN74LS21DR is 20 mW, but it can vary depending on the operating frequency and load conditions.
-
The SN74LS21DR is rated for operation up to 70°C, but it can be used in high-temperature environments up to 85°C with some derating of the operating frequency.
-
No, the SN74LS21DR is not radiation-hardened and is not suitable for use in high-radiation environments.