Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Synthesizer
Patent
1995-12-26
1997-05-13
Nguyen, Viet Q.
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Synthesizer
327185, 327199, 327208, 36518905, 36523006, H03K 1716
Patent
active
056296401
ABSTRACT:
A semiconductor memory device which is capable of reducing a delay in the conversion of an input chip enable signal having a TTL level, providing a quick chip enable access and avoiding an increase in current consumption despite the quick chip enable access. The semiconductor memory device in one embodiment includes an input buffer outputting a signal having a CMOS level in response to a chip enable signal having a TTL level, and having a plurality of transistors whose gate lengths are set to first dimensions, and a second input buffer activated in response to both another input signal having a TTL level and the signal having the CMOS level, and having a plurality of transistors whose gate lengths are set to second dimensions greater than the first dimensions.
REFERENCES:
patent: 5266848 (1993-11-01), Nakagome et al.
patent: 5398318 (1995-03-01), Hiraishi et al.
patent: 5500614 (1996-03-01), Egawa
Nguyen Viet Q.
OKI Electric Industry Co., Ltd.
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