Triple 3-input NAND in a 14-DIP — what it is
The CD74HC10E is a triple 3-input NAND gate from TI's 74HC family, packaged in a 14-pin DIP (0.300" body width) for through-hole assembly. It takes a 2V to 6V supply rail, making it a direct drop-in for both 3.3V and 5V logic domains without a separate level translator. Each of the three independent gates can sink or source 5.2 mA, enough to drive a single LSTTL load or a low-power LED indicator. Propagation delay sits at 17 ns typical into 50 pF at 6V — fast enough for control logic and address decoding, though not for high-speed counters.
The 14-DIP package is socket-friendly for prototyping and field-swap boards, though it takes more board area than a surface-mount SOIC-14.
Quiescent current and power budget
Max quiescent current is 2 µA across the temperature range. That's the CMOS idle draw — no static power penalty for leaving unused inputs floating (though you should tie them to VCC or GND to avoid oscillation). For a battery-backed logic board or a power-budgeted sensor interface, this gate adds negligible drain.
It is a standard catalog item from Texas Instruments, so the supply channel is stable for both prototype quantities and production runs. For dual-sourcing, the SN74HC20N is a functional peer — same 74HC family, through-hole DIP — but it is a dual 4-input NAND, not a triple 3-input, so the pinout and logic function differ. If the board calls for exactly three 3-input gates in one package, the CD74HC10E is the direct fit.