Semiconductor memory device having address transition detector

Details Semiconductor memory device having address transition detector Semiconductor memory device having address transition detector

1992-04-10

1994-05-17

LaRoche, Eugene R.

Static information storage and retrieval

Addressing

Sync/clocking

365230060, 307480, G11C 11413

Patent

active

053134354

ABSTRACT:
An address transition detector (ATD) of a semiconductor memory device. In particular, even if the address transition of the semiconductor memory device occurs over a long time, malfunction is prevented by synchronizing outputs of a buffer and a decoder and an output of the ATD circuit. To accomplish this, input block for sensing a high trip level and a low trip level is included in the ATD circuit. Thus, if the address transition occurs slowly over a long time, the duration of a short pulse indicating the address transition becomes long, thereby producing accurate data. Moreover, since the ATD is not restricted to a particular system application, it can be used in a wide variety of applications by adapting a memory device to utilize the ATD.

REFERENCES:
patent: 4563599 (1986-01-01), Donoghue et al.
patent: 4849938 (1989-07-01), Furutani et al.
patent: 5003513 (1991-03-01), Porter et al.
patent: 5091889 (1992-02-01), Hamano et al.
patent: 5198708 (1993-03-01), Gillingham
patent: 5198709 (1993-03-01), O'Connell

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