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AM79C930VCW Datasheet(PDF) 140 Page - Advanced Micro Devices |
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AM79C930VCW Datasheet(HTML) 140 Page - Advanced Micro Devices |
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140 / 161 page ![]() AMD P R E L I M I N A R Y 140 Am79C930 MEMORY BUS WRITE ACCESS Parameter Symbol Parameter Description Test Conditions Min Max Unit tmAD MA[16:0] valid from CLKIN ↓ 2 100 ns tmCD CE active delay from CLKIN ↓ Note 1 2 100 ns tmWD MWE active delay from CLKIN ↓ 2 100 ns tmCQ MD[7:0] driven from CLKIN ↓ 2ns tmCV MD[7:0] valid from CLKIN ↓ 100 ns tmAS Address Setup Time to MWE ↓ TCLKIN-20 ns tmAW Address Write Access Time 0 wait states 160 ns (Note 3) 1 wait state 260 ns 2 wait states 360 ns tmCW CE Write Access Time 0 wait states 160 ns (Notes 1, 3) 1 wait state 260 ns 2 wait states 360 ns tmWP MWE Write Access Time 0 wait states 150 ns (Note 3) 1 wait state 250 ns 2 wait states 350 ns tmWQ MWE ↓ to MD[7:0] driven –10 ns tmAH MA[16:0] valid hold from MWE ↑ TCLKIN-10 ns tmCH CE valid hold from MWE ↑ Note 1 TCLKIN-10 ns tmWI CE Inactive Time Note 1, 2 0 ns tmSW MD[7:0] valid setup to MWE ↑ 0 wait states 130 ns 1 wait state 230 ns 2 wait states 330 ns tmHW MD[7:0] valid hold from MWE ↑ Note 2 TCLKIN-15 ns tmHWZ MD[7:0] inactive from MWE ↑ Note 2 2 X TCLKIN-10 2 X TCLKIN+10 ns Notes: 1. CE = one of: FCE, SCE, XCE 2. Parameter not included in the production test. 3. Value is dependent upon TCLKIN value. Value given is for CLKIN = 20 MHz. |
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