Memory circuitry having bus interface for receiving information in packets and access time registers - Patent Review 5606717

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Memory circuitry having bus interface for receiving information in packets and access time registers

United States Patent

5606717

Link to this page

http://www.wikipatents.com/5606717.html

Inventor(s)

Farmwald; Michael (Berkeley, CA); Horowitz; Mark (Palo Alto, CA)

Abstract

An interfacing circuitry for a semiconductor circuit of a computer system selects the semiconductor circuit for a device operation in accordance with data, addresses, and control information received from a multiline bus of the computer system in a form of packets. The computer system has a plurality of semiconductor circuits. The interfacing circuitry is coupled to the multiline bus. The multiline bus has a total number of lines less than a total number of bits in any single address. The interfacing circuitry resides inside the semiconductor circuit and includes a decoder for decoding the packets received to identify the data, addresses, and control information. A control logic circuitry is coupled to the decoder circuitry for controlling device operation of the first semiconductor circuit in accordance with the data, addresses, and control information received. A register circuitry is coupled to the decoder and the control logic circuitry for storing a first value corresponding to a first predetermined time period during which the interfacing circuitry must wait before transmitting reply information through the multiline bus in response to the data, addresses, and control information received. The register circuitry applies the first value to the control logic circuitry to cause the control logic circuitry to wait for the first predetermined time period before accessing the multiline bus for transmitting the reply information.

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3821715	Your vote accepted [0 after 0 votes]		3924241	Your vote accepted [0 after 0 votes]
5452420 Engdahl Sep,1995	Your vote accepted [0 after 0 votes]		5448744 Eifert 712/40 Sep,1995	Your vote accepted [0 after 0 votes]
5371892 Petersen 713/1 Dec,1994	Your vote accepted [0 after 0 votes]		5317723 Heap 713/2 May,1994	Your vote accepted [0 after 0 votes]
5220673 Dalrymple Jun,1993	Your vote accepted [0 after 0 votes]		5193149 Awiszio Mar,1993	Your vote accepted [0 after 0 votes]
5179670 Farmwald 710/104 Jan,1993	Your vote accepted [0 after 0 votes]		5163131 Row 709/202 Nov,1992	Your vote accepted [0 after 0 votes]
5132964 Esaki 370/418 Jul,1992	Your vote accepted [0 after 0 votes]		5111464 Farmwald 714/765 May,1992	Your vote accepted [0 after 0 votes]
5023488 Gunning 326/86 Jun,1991	Your vote accepted [0 after 0 votes]		4975763 Baudouin 257/696 Dec,1990	Your vote accepted [0 after 0 votes]
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4860198 Takenaka 710/307 Aug,1989	Your vote accepted [0 after 0 votes]		4837682 Culler 710/114 Jun,1989	Your vote accepted [0 after 0 votes]
4818985 Ikeda 340/825.5 Apr,1989	Your vote accepted [0 after 0 votes]		4811202 Schabowski 710/307 Mar,1989	Your vote accepted [0 after 0 votes]
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4355376 Gould 365/200 Oct,1982	Your vote accepted [0 after 0 votes]		4315308 Jackson 710/33 Feb,1982	Your vote accepted [0 after 0 votes]
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4263650 Bennett 710/31 Apr,1981	Your vote accepted [0 after 0 votes]		4249247 Patel 711/106 Feb,1981	Your vote accepted [0 after 0 votes]
4247817 Heller 327/63 Jan,1981	Your vote accepted [0 after 0 votes]		4205373 Shah 710/306 May,1980	Your vote accepted [0 after 0 votes]
4191996 Chesley 714/30 Mar,1980	Your vote accepted [0 after 0 votes]		4099231 Kotok 711/168 Jul,1978	Your vote accepted [0 after 0 votes]
4038648 Chesley 365/201 Jul,1977	Your vote accepted [0 after 0 votes]		4007452 Hoff, Jr. 365/63 Feb,1977	Your vote accepted [0 after 0 votes]
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