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| Part Number | SN74LV27ANSR | SN74LV20ANSR | SN74LV21ANSR | 
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Active | Active | 
| Logic Type | NOR Gate | NAND Gate | AND Gate | 
| Number of Circuits | 3 | 2 | 2 | 
| Number of Inputs | 3 | 4 | 4 | 
| Features | - | - | - | 
| Voltage - Supply | 2V ~ 5.5V | 2V ~ 5.5V | 2V ~ 5.5V | 
| Current - Quiescent (Max) | 20 µA | 20 µA | 20 µA | 
| Current - Output High, Low | 12mA, 12mA | 12mA, 12mA | 12mA, 12mA | 
| Logic Level - Low | 0.5V | 0.5V | 0.5V | 
| Logic Level - High | 1.5V | 1.5V | 1.5V | 
| Max Propagation Delay @ V, Max CL | 7.9ns @ 5V, 50pF | 7ns @ 5V, 50pF | 7ns @ 5V, 50pF | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Supplier Device Package | 14-SO | 14-SO | 14-SO | 
| Package / Case | 14-SOIC (0.209", 5.30mm Width) | 14-SOIC (0.209", 5.30mm Width) | 14-SOIC (0.209", 5.30mm Width) |