Semiconductor memory

Details Semiconductor memory Semiconductor memory

1980-12-24

1983-12-13

Richardson, Robert L.

Static information storage and retrieval

Read/write circuit

Noise suppression

307542, 365226, G11C 702

Patent

active

044208235

ABSTRACT:
A static semiconductor memory having a plurality of memory cells respectively connected to word lines and connected in parallel to bit line pairs and having a power-down function, is provided with a coupling noise canceller connected to a data bus which is connected at one end to a bit line via a transfer gate and at the other end to a sense amplifier. When the static semiconductor memory is placed in a power-down mode, the coupling noise canceller operates to clamp the data bus at a predetermined potential; thus preventing an increase in the access time when the chip is accessed from the power-down state rather than the active state.

REFERENCES:
patent: 3189877 (1965-06-01), Pricer et al.
patent: 3978459 (1976-08-01), Koo
patent: 4085458 (1978-04-01), Ikuzaki et al.
patent: 4223394 (1980-09-01), Patlak et al.
patent: 4336465 (1982-06-01), Nakano et al.

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