| PartNumber | SN74LV21ADBR | SN74LV21AD | SN74LV21ADG4 |
| Description | Logic Gates Dual 4-Input | Logic Gates Dual 4-Input Positive AND Gate | Logic Gates Dual 4 Input Pos AND Gate |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Logic Gates | Logic Gates | Logic Gates |
| RoHS | Y | Y | Y |
| Product | Single-Function Gate | Single-Function Gate | Single-Function Gate |
| Logic Function | AND | AND | AND |
| Logic Family | LV-A | LV-A | LV-A |
| Number of Gates | 2 Gate | 2 Gate | 2 Gate |
| Number of Input Lines | 4 Input | 4 Input | 4 Input |
| Number of Output Lines | 1 Output | 1 Output | 1 Output |
| High Level Output Current | - 12 mA | - 12 mA | - 12 mA |
| Low Level Output Current | 12 mA | 12 mA | 12 mA |
| Propagation Delay Time | 8.5 ns | 8.5 ns | 8.5 ns |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2 V | 2 V | 2 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SSOP-14 | SOIC-14 | SOIC-14 |
| Packaging | Reel | Tube | Tube |
| Function | These dual 4-input positive-AND gates are designed for 2-V to 5.5-V VCC operation | AND | AND |
| Height | 1.95 mm | 1.58 mm | 1.58 mm |
| Input Type | TTL | TTL | TTL |
| Length | 6.2 mm | 8.65 mm | 8.65 mm |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Output Type | TTL | TTL | TTL |
| Series | SN74LV21A | SN74LV21A | SN74LV21A |
| Width | 5.3 mm | 3.91 mm | 3.91 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Type | 4-Input AND | 4-Input AND | CMOS |
| Number of Bits | 2 bit | 2 bit | 2 bit |
| Operating Supply Current | 20 uA | 20 uA | 20 uA |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Product Type | Logic Gates | Logic Gates | Logic Gates |
| Factory Pack Quantity | 2000 | 50 | 50 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.004296 oz | 0.004564 oz | 0.004564 oz |