Next generation 64M-bit parts seem all but stalled on the launch- pad, but NEC Corp is already claiming that it has developed the world’s first 4G-bit dynamic random-access memory chip – to 0.15 micron design rules. NEC hopes to send out samples by 2000 and is aiming for an early launch of the product, which could store 47 minutes of full-motion video and six hours of audio.