Triple 3-Input NOR Gate in a Through-Hole DIP-14
The Texas Instruments CD74HC27E is a triple 3-input NOR gate from the 74HC high-speed CMOS logic family, housed in a 14-pin through-hole DIP (0.300", 7.62mm) package. The three independent NOR gates each accept three inputs, and the device draws a maximum quiescent current of 2 µA, which keeps the power rail budget lean in battery-backed or always-on subsystems.
The maximum propagation delay is 16 ns at 6V with a 50 pF load. At 2V the delay will be longer, but the 74HC family's CMOS outputs swing rail-to-rail, so noise margin is preserved even at lower supply voltages. If your board has a mixed 5V/3.3V logic environment, the 2V to 6V supply range lets this gate operate as a level translator: run the CD74HC27E from the receiving side's supply and the inputs tolerate the full 6V range.
Lifecycle and Compliance — Active Production, ROHS3
For new designs or legacy BOM maintenance, the through-hole DIP-14 package means it remains a straightforward pick-and-place or hand-solder item, and the 74HC family's broad second-source ecosystem provides supply resilience.
Package Fit — Through-Hole DIP-14 for Socketed or Wave-Solder Boards
The 14-DIP (0.300", 7.62mm) body with 2.54 mm pin pitch is a standard footprint that fits existing sockets, protoboard layouts, and wave-solder processes. The supplier device package is 14-PDIP. If your assembly line has moved exclusively to SMT, the same logic function is available in SOIC-14 and TSSOP-14 packages under different order codes within the 74HC family — but for a through-hole requirement this is the direct fit.