| Part Numbers | Manufacturer Name | Datasheet | Logic Type | Number of Circuits | Number of Inputs | Voltage - Supply | Current - Output High, Low | Logic Level - Low | Logic Level - High | Operating Temperature | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SN74S20N | TEXAS INSTRUMENTS INC | NAND Gate | 2 | 4 | 4.75 V ~ 5.25 V | 1mA, 20mA | 0.8V | 2V | 0?C ~ 70?C | Through Hole | 14-DIP (0.300", 7.62mm) | |
| SN7425N | TEXAS INSTRUMENTS INC | NOR Gate | 2 | 4 | 4.75 V ~ 5.25 V | 800?A, 16mA | 0.8V | 2V | 0?C ~ 70?C | Through Hole | 14-DIP (0.300", 7.62mm) | |
| CY74FCT240ATSOCT | TEXAS INSTRUMENTS INC | Inverter, Buffer | 2 | 4 | 4.75 V ~ 5.25 V | 32mA, 64mA | 0.8V | 2V | -40?C ~ 85?C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | |
| CY74FCT240ATQCT | TEXAS INSTRUMENTS INC | Inverter, Buffer | 2 | 4 | 4.75 V ~ 5.25 V | 32mA, 64mA | 0.8V | 2V | -40?C ~ 85?C | Surface Mount | 20-SSOP (0.154", 3.90mm Width) | |
| CY74FCT240TQCT | TEXAS INSTRUMENTS INC | Inverter, Buffer | 2 | 4 | 4.75 V ~ 5.25 V | 32mA, 64mA | 0.8V | 2V | -40?C ~ 85?C | Surface Mount | 20-SSOP (0.154", 3.90mm Width) | |
| SN74LS21D | TEXAS INSTRUMENTS INC | AND Gate | 2 | 4 | 4.75 V ~ 5.25 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | |
| SN74LS240DW | TEXAS INSTRUMENTS INC | Inverter, Buffer | 2 | 4 | 4.75 V ~ 5.25 V | 15mA, 24mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | |
| SN74LS20D | TEXAS INSTRUMENTS INC | NAND Gate | 2 | 4 | 4.75 V ~ 5.25 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | |
| SN74S140N | TEXAS INSTRUMENTS INC | NAND Gate | 2 | 4 | 4.75 V ~ 5.25 V | 40mA, 60mA | 0.8V | 2V | 0?C ~ 70?C | Through Hole | 14-DIP (0.300", 7.62mm) | |
| SN74S20D | TEXAS INSTRUMENTS INC | NAND Gate | 2 | 4 | 4.75 V ~ 5.25 V | 1mA, 20mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) |
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