Datasheet Texas Instruments SN74HC21
| Manufacturer | Texas Instruments | 
| Series | SN74HC21 | 

Dual 4-Input Positive-AND Gates
Datasheets
SN54HC21, SN74HC21 datasheet
PDF, 957 Kb, Revision: E, File published: Aug 6, 2003
Extract from the document
Status
| SN74HC21D | SN74HC21DE4 | SN74HC21DG4 | SN74HC21DR | SN74HC21DRE4 | SN74HC21DRG4 | SN74HC21DT | SN74HC21N | SN74HC21NE4 | SN74HC21NSR | SN74HC21PW | SN74HC21PWR | SN74HC21PWRE4 | SN74HC21PWT | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | 
| Manufacture's Sample Availability | No | No | No | No | No | No | No | No | No | No | No | No | No | No | 
Packaging
| SN74HC21D | SN74HC21DE4 | SN74HC21DG4 | SN74HC21DR | SN74HC21DRE4 | SN74HC21DRG4 | SN74HC21DT | SN74HC21N | SN74HC21NE4 | SN74HC21NSR | SN74HC21PW | SN74HC21PWR | SN74HC21PWRE4 | SN74HC21PWT | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 
| Pin | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 
| Package Type | D | D | D | D | D | D | D | N | N | NS | PW | PW | PW | PW | 
| Industry STD Term | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP | SOP | TSSOP | TSSOP | TSSOP | TSSOP | 
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDIP-T | R-PDIP-T | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | 
| Package QTY | 50 | 50 | 50 | 2500 | 2500 | 2500 | 250 | 25 | 25 | 2000 | 90 | 2000 | 2000 | 250 | 
| Carrier | TUBE | TUBE | TUBE | LARGE T&R | LARGE T&R | LARGE T&R | SMALL T&R | TUBE | TUBE | LARGE T&R | TUBE | LARGE T&R | LARGE T&R | SMALL T&R | 
| Device Marking | HC21 | HC21 | HC21 | HC21 | HC21 | HC21 | HC21 | SN74HC21N | SN74HC21N | HC21 | HC21 | HC21 | HC21 | HC21 | 
| Width (mm) | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 6.35 | 6.35 | 5.3 | 4.4 | 4.4 | 4.4 | 4.4 | 
| Length (mm) | 8.65 | 8.65 | 8.65 | 8.65 | 8.65 | 8.65 | 8.65 | 19.3 | 19.3 | 10.3 | 5 | 5 | 5 | 5 | 
| Thickness (mm) | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 3.9 | 3.9 | 1.95 | 1 | 1 | 1 | 1 | 
| Pitch (mm) | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 2.54 | 2.54 | 1.27 | .65 | .65 | .65 | .65 | 
| Max Height (mm) | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 5.08 | 5.08 | 2 | 1.2 | 1.2 | 1.2 | 1.2 | 
| Mechanical Data | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | 
Parametrics
| Parameters / Models | SN74HC21D![]()  | SN74HC21DE4![]()  | SN74HC21DG4![]()  | SN74HC21DR![]()  | SN74HC21DRE4![]()  | SN74HC21DRG4![]()  | SN74HC21DT![]()  | SN74HC21N![]()  | SN74HC21NE4![]()  | SN74HC21NSR![]()  | SN74HC21PW![]()  | SN74HC21PWR![]()  | SN74HC21PWRE4![]()  | SN74HC21PWT![]()  | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bits | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 
| ICC @ Nom Voltage(Max), mA | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 
| Operating Temperature Range, C | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | 
| Output Drive (IOL/IOH)(Max), mA | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 5.2/-5.2 | 
| Package Group | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP | SO | TSSOP | TSSOP | TSSOP | TSSOP | 
| Package Size: mm2:W x L, PKG | 14SOIC: 52 mm2: 6 x 8.65(SOIC) | 14SOIC: 52 mm2: 6 x 8.65(SOIC) | 14SOIC: 52 mm2: 6 x 8.65(SOIC) | 14SOIC: 52 mm2: 6 x 8.65(SOIC) | 14SOIC: 52 mm2: 6 x 8.65(SOIC) | 14SOIC: 52 mm2: 6 x 8.65(SOIC) | 14SOIC: 52 mm2: 6 x 8.65(SOIC) | See datasheet (PDIP) | See datasheet (PDIP) | 14SO: 80 mm2: 7.8 x 10.2(SO) | 14TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 14TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 14TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 14TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | 
| Schmitt Trigger | No | No | No | No | No | No | No | No | No | No | No | No | No | No | 
| Technology Family | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | 
| VCC(Max), V | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 
| VCC(Min), V | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 
| Voltage(Nom), V | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 
| tpd @ Nom Voltage(Max), ns | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 
Eco Plan
| SN74HC21D | SN74HC21DE4 | SN74HC21DG4 | SN74HC21DR | SN74HC21DRE4 | SN74HC21DRG4 | SN74HC21DT | SN74HC21N | SN74HC21NE4 | SN74HC21NSR | SN74HC21PW | SN74HC21PWR | SN74HC21PWRE4 | SN74HC21PWT | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | 
| Pb Free | Yes | Yes | 
Model Line
Series: SN74HC21 (14)
Manufacturer's Classification
- Semiconductors> Logic> Gate> AND Gate