Semiconductor device with impedance control circuit

Details Semiconductor device with impedance control circuit Semiconductor device with impedance control circuit

2005-09-20

2005-09-20

Phung, Anh (Department: 2824)

Static information storage and retrieval

Read/write circuit

Having particular data buffer or latch

C365S189070, C365S189080

Reexamination Certificate

active

06947336

ABSTRACT:
A semiconductor device includes an output impedance control circuit, connected to a ZQ pad and an output buffer circuit, for controlling an impedance of the output buffer circuit according to an impedance of an external resistor connected with the ZQ pad.

REFERENCES:
patent: 6307791 (2001-10-01), Otsuka et al.
patent: 6573746 (2003-06-01), Kim et al.
patent: 2003/0231523 (2003-12-01), Cho et al.
patent: 2000183717 (2000-06-01), None

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