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| Part Number | SN74F27N | SN74F27NS | SN74F37N | SN74F20N | SN74F21N | SN74F27D |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active | Active |
| Logic Type | NOR Gate | - | - | NAND Gate | AND Gate | NOR Gate |
| Number of Circuits | 3 | - | - | 2 | 2 | 3 |
| Number of Inputs | 3 | - | - | 4 | 4 | 3 |
| Features | - | - | - | - | - | - |
| Voltage - Supply | 4.5V ~ 5.5V | - | - | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Current - Quiescent (Max) | - | - | - | - | 4.3 mA | - |
| Current - Output High, Low | 1mA, 20mA | - | - | 1mA, 20mA | 1mA, 20mA | 1mA, 20mA |
| Logic Level - Low | 0.8V | - | - | 0.8V | 0.8V | 0.8V |
| Logic Level - High | 2V | - | - | 2V | 2V | 2V |
| Max Propagation Delay @ V, Max CL | 5ns @ 5V, 50pF | - | - | 6ns @ 5V, 50pF | 5.1ns @ 5V, 50pF | 5ns @ 5V, 50pF |
| Operating Temperature | 0°C ~ 70°C | - | - | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | - | - | Through Hole | Through Hole | Surface Mount |
| Supplier Device Package | 14-PDIP | - | - | 14-PDIP | 14-PDIP | 14-SOIC |
| Package / Case | 14-DIP (0.300", 7.62mm) | - | - | 14-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 14-SOIC (0.154", 3.90mm Width) |
