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GS4576C18GL-25 bảng dữ liệu(PDF) 8 Page - GSI Technology |
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GS4576C18GL-25 bảng dữ liệu(HTML) 8 Page - GSI Technology |
8 / 63 page GS4576C09/18/36L Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com. Rev: 1.04 11/2013 8/62 © 2011, GSI Technology Power–Up Initialization Sequence 200us Min Mode Initialization tMRSC Refresh 1024 Cycles NOP Cycles Min NOP NOP MRS MRS MRS NOP AREF AREF NOP AC CODE(1,2) CODE(1,2) CODE(2) ADDR Bank 0 Bank 7 Valid tDKL tDK tDKL tDKH tDKH tDK tCKL tCK tCKL tCKH tCKH tCK VEXT VDD VDDQ VREF VTT CK CK DK DK Command ADDR BA DM DQ All Banks(5) Notes: 1. Recommend all address pins held Low during dummy MRS commands. 2. A10–A17 must be Low. 3. DLL must be reset if tCK or VDD are changed. 4. CK and CK must be separated at all times to prevent bogus commands from being issued. 5. The sequence of the eight AUTO REFRESH commands (with respect to the 1024 NOP commands) does not matter. As is required for any operation, tRC must be met between an AUTO REFRESH command and a subsequent VALID command to the same bank. |
Số phần tương tự - GS4576C18GL-25 |
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Mô tả tương tự - GS4576C18GL-25 |
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