SL74HC20 is Dual 4-Input NAND Gate manufactured by System Logic Semiconductor.
| Part Number | Description |
|---|---|
| SL74HC221 | Dual Monostable Multivibrator |
| SL74HC240 | Octal 3-State Inverting Buffer/Line Driver/Line Receiver |
| SL74HC241 | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver |
| SL74HC244 | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver |
| SL74HC245 | Octal 3-State Noninverting Bus Transceiver |
SL74HC20 Dual 4-Input NAND Gate High-Performance Silicon-Gate CMOS The SL74HC20 is identical in pinout to the LS/ALS20. The device inputs are patible with standard CMOS outputs; with pullup resistors, they are patible with LS/ALSTTL outputs.
