Destructive read sense-amp

Details Destructive read sense-amp Destructive read sense-amp

1997-01-17

1998-06-23

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 52, G01C 706

Patent

active

057709530

ABSTRACT:
A destructive read sense-amp (typically used in SRAM) includes circuitry for disabling its amplifier circuitry in response to a predetermined logic level appearing at its output, circuitry for preserving the predetermined logic level appearing at its output, and circuitry for modifying data carried on data transmission lines connected to its differential inputs. The output preserving means and data modifying circuitry are only enabled while the sense-amp's amplifier circuitry is disabled. In a preferred implementation, the destructive read sense-amp writes a logic "0" into a memory cell upon reading a logic "1" from the same memory cell. The reading and writing of data occurs within a single read cycle.

REFERENCES:
patent: 5015891 (1991-05-01), Choi
patent: 5508643 (1996-04-01), Khieu
patent: 5627484 (1997-05-01), Tuminaro et al.

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