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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M306V2EEFS датащи(PDF) 264 Page - Renesas Technology Corp |
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M306V2EEFS датащи(HTML) 264 Page - Renesas Technology Corp |
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264 / 271 page  Rev.1.40 Oct 06, 2004 page 264 of 269 M306V2ME-XXXFP, M306V2EEFP Figure 5.10.5 Timing diagram in memory expansion mode and microprocessor mode (4) Memory Expansion Mode and Microprocessor Mode (When accessing external memory area with wait, and select multiplexed bus) BCLK CSi td(BCLK–CS) 35ns.max td(BCLK–AD) 35ns.max ALE th(BCLK–ALE) –4ns.min RD 35ns.max th(BCLK–RD) 0ns.min th(BCLK–AD) 4ns.min th(BCLK–CS) 4ns.min tcyc th(RD–CS) th(RD–AD) ADi BHE ADi /DBi th(RD–DB) 0ns.min td(AD–ALE) Read timing td(BCLK–WR) 35ns.max th(BCLK–WR) 0ns.min BCLK CSi td(BCLK–CS) 35ns.max td(BCLK–AD) 35ns.max ALE 35ns.max th(BCLK–ALE) –4ns.min th(BCLK–AD) 4ns.min th(BCLK–CS) 4ns.min tcyc th(WR–AD) ADi BHE td(BCLK–DB) 40ns.max 4ns.min th(BCLK–DB) td(DB–WR) th(WR–DB) ADi /DBi Write timing Address Measuring conditions • VCC=5V • Input timing voltage : Determined with VIL=0.8V, VIH=2.5V • Output timing voltage : Determined with V OL=0.8V, VOH=2.0V (tcyc/2)ns.min Address Data input 40ns.min (tcyc/2)ns.min td(BCLK–ALE) td(BCLK–RD) (tcyc/2)ns.min th(WR–CS) Address td(AD–ALE) (tcyc/2–25)ns.min (tcyc*3/2–40)ns.min (tcyc/2)ns.min td(BCLK–ALE) (tcyc/2-25)ns.min Address 35ns.max tSU(DB–RD) tac3(RD–DB) (tcyc/2)ns.min th(ALE–AD) 30ns.min td(AD–RD) 0ns.min tdz(RD–AD) 8ns.max td(AD–WR) 0ns.min Data output WR,WRL, WRH |
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