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    • 3. 发明申请
    • MULTI-PATH ACCESSIBLE SEMICONDUCTOR MEMORY DEVICE HAVING MAILBOX AREAS AND MAILBOX ACCESS CONTROL METHOD THEREOF
    • 具有邮箱区域和邮箱访问控制方法的多通道可访问半导体存储器件
    • US20110035544A1
    • 2011-02-10
    • US12909069
    • 2010-10-21
    • Chi-Sung OHYong-Jun KIMKyung-Woo NAMJin-Kuk KIMSoo-Young KIM
    • Chi-Sung OHYong-Jun KIMKyung-Woo NAMJin-Kuk KIMSoo-Young KIM
    • G06F12/06G06F12/00
    • G11C5/02G11C8/12
    • A multipath accessible semiconductor memory device having a mailbox area and a mailbox access control method thereof are provided. The semiconductor memory device includes N number of ports, at least one shared memory area allocated in a memory cell array, and N number of mailbox areas for message communication. The at least one shared memory area is operationally connected to the N number of ports, and is accessible through a plurality of data input/output lines to form a data access path between the at least one shared memory area and one port, having an access right to the at least one memory area, among the N number of ports. The N number of mailbox areas are provided in one-to-one correspondence with the N number of ports and are accessible through the plurality of data input/output lines when an address of a predetermined area of the at least one shared memory area is applied to the semiconductor memory device. An efficient layout of mailboxes and an efficient message access path can be obtained.
    • 提供具有邮箱区域和邮箱访问控制方法的多路径可访问半导体存储装置。 半导体存储器件包括N个端口,分配在存储单元阵列中的至少一个共享存储区域和N个用于消息通信的邮箱区域。 所述至少一个共享存储区域可操作地连接到所述N个端口,并且可通过多个数据输入/输出线路访问,以在所述至少一个共享存储区域和一个端口之间形成数据访问路径, 在N个端口中的至少一个存储区域的权限。 N个邮箱区域与N个端口一一对应地提供,并且当应用至少一个共享存储区域的预定区域的地址时可以通过多个数据输入/输出线路访问邮箱区域 到半导体存储器件。 可以获得邮箱的有效布局和高效的邮件访问路径。