Electronic circuit device

Details Electronic circuit device Electronic circuit device

2011-04-12

2011-04-12

Auduong, Gene N (Department: 2827)

Static information storage and retrieval

Read/write circuit

Signals

C365S233100, C365S233180

Reexamination Certificate

active

07924636

ABSTRACT:
To provide an electronic circuit device that can change a characteristic after package sealing and that achieves a reduction in miscellaneous tasks during characteristic setting.The electronic circuit device includes: a burst detecting circuit7for detecting, from an input and output terminal4, a prescribed write activation burst having a length that is larger than or equal to a prescribed time; a signal-pattern detecting circuit9for putting a serial interface8into an input-enable state in which setting data can be input, when the write activation burst is detected; and a volatile memory10and a nonvolatile memory11for storing, in the input-enable state, a setting-data signal input from the input and output terminal4. An operation state of a functional circuit6is set in accordance with the setting data written in the volatile memory10or the nonvolatile memory11.

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“LM317M 3-Terminal Adjustable Regulator” Texas Instruments. XP-002584356; Jul. 31, 2006; Retrieved from the Internet: URL:http://focus.tij.co.jp/jp/lit/ds/symlink/lm317m.pdf>[retrieved on May 27, 2010] *the whole document*.
European Search Report dated Jun. 18, 2010.

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