Data output driver

Details Data output driver Data output driver

2006-06-27

2006-06-27

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S027000, C326S030000

Reexamination Certificate

active

07068078

ABSTRACT:
A data output driver, for use in a semiconductor memory device, includes a pull-up driving unit, having N numbers of unit pull-up drivers and N numbers of pull-up resistors, turned on by selected pull-up control signals for pull-up driving the output terminal in response to a pull-up data signal; and a pull-down driving unit, having N numbers of unit pull-down drivers and N numbers of pull-down resistors, turned on by selected pull-down control signals for pull-down driving the output terminal in response to a pull-down data signal, wherein each of the N numbers of unit pull-up drivers has the same driving strength, and the N numbers of pull-up resistors are connected between the output terminal and the N numbers of unit pull-up drivers; and each of the N numbers of unit pull-down drivers has the same driving strength, and the N numbers of pull-down resistors are connected between the output terminal and the N numbers of unit pull-down drivers.

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