EDN

High-Speed 8-Input NAND Gate

The 74AHC30 is a high-speed 8-input NAND gate with balanced propagation delays. This Si-gate CMOS device is pin compatible with low-power Schottky TTL . Its inputs have Schmitt-trigger actions and ...
EDN

Low Voltage Quad 2-Input NAND Gate

The 74VL00 is quad 2-input NAND gate. A silicon-gate CMOS device optimized for low voltage applications ranging from 1.0 V to 3.6 V. It has a wide operating voltage of 1.0 V to 5.5 V and accepts TTL ...
Semiconductor Engineering

3D NAND Needs 3D Metrology

You’ve read the reports: the memory market is floundering as the semiconductor industry moves through another scarcity/surplus cycle. Be that as it may, innovation is happening as the industry ...
Electronic Design

So...The CMOS Circuits in Our Texts Go Back to 1963?

The first CMOS chip was created by Fairchild Semiconductor, presented at ISSCC in 1963. The logic topologies used in today’s textbooks originated in this work. P-type devices are slower than N-type by ...
Semiconductor Engineering

3D NAND Metrology Challenges Growing

3D NAND vendors face several challenges to scale their devices to the next level, but one manufacturing technology stands out as much more difficult at each turn—metrology. Metrology, the art of ...