Data input/output line sensing circuit of a semiconductor integr

Details Data input/output line sensing circuit of a semiconductor integr Data input/output line sensing circuit of a semiconductor integr

1994-06-06

1996-04-09

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

326 58, 327 55, 327185, H03F 345

Patent

active

055065228

ABSTRACT:
A data input/output line sensing circuit includes a latch sense circuit having the double functions of performing a latch operation and a sensing operation for data read from a memory cell. The latch sense circuit includes a first inverter having an input end connected to one of the data input/output lines, and an output end connected to the other of the data input/output lines; a first switching transistor provides the first inverter with a power supply voltage and a ground voltage only during a sensing operation in response to a sensing control signal; a second inverter having an input end connected to the output of the first inverter, and an output end connected to the input of the first inverter; and a second switching transistor provides the second inverter with the power supply voltage and the ground voltage only during the sensing operation in response to the sensing control signal.

REFERENCES:
patent: 4354257 (1982-10-01), Varshney et al.
patent: 4932002 (1990-06-01), Houston
patent: 4973864 (1990-11-01), Nogami
patent: 5029136 (1991-07-01), Tran et al.
patent: 5231319 (1993-07-01), Crafts et al.
patent: 5311070 (1994-05-01), Dooley
patent: 5334890 (1994-08-01), Hardee

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