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GMS87C2020 Datasheet(PDF) 89 Page - Hynix Semiconductor |
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GMS87C2020 Datasheet(HTML) 89 Page - Hynix Semiconductor |
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89 / 92 page  Hyundai Micro Electronics GMS81C2020/GMS81C2120 Nov. 1999 Ver 0.0 preliminary 89 Figure 24-6 Programming Flow Chart EPROM Enable Delay Time after THLD1 TDLY1 200 nS EPROM Enable Hold Time in Write Mode THLD2 100 nS EPROM Enable Delay Time after THLD2 TDLY2 200 nS CTL2,1 Setup Time after Low Address input and Data input TCD1 100 nS CTL1 Setup Time before Data output in Read and Verify Mode TCD2 100 nS Table 24-3 AC/DC Requirements for Program/Read Mode START Set VDD=VDD1H Set VPP=VIHP Verify blank First Address Location EPROM Write N=1 Verify pass Last address Apply 3N program cycle 100uS program time Next address location Verify pass Report Programming failure Report Programming failure Verify fof all address Verify OK Report Verify failure Report Programming OK VDD=VPP=0v END NO YES YES YES YES YES NO NO NO NO |
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