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M28F420 데이터시트(PDF) 13 Page - STMicroelectronics |
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M28F420 데이터시트(HTML) 13 Page - STMicroelectronics |
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13 / 38 page ![]() Symbol Parameter M28F410 / 20 Unit -70 -80 -100 -120 VCC =5V ± 5% VCC =5V ± 10% VCC =5V ± 10% VCC =5V ± 10% SRAM Interface EPROM Interface EPROM Interface EPROM Interface Min Max Min Max Min Max Min Max tELBL Chip Enable Low to BYTE Low 5 555 ns tELBH Chip Enable Low to BYTE High 5 555 ns tBLQV (2) BYTE Low to Output Valid 70 80 100 120 ns tBHQV BYTE High to Output Valid 70 80 100 120 ns tBLQZ BYTE Low to Output Hi-Z 25 30 35 35 ns Notes: 1. Sampled only, not 100% tested. 2. It is equal to tAVQV when measured from DQ15A-1 valid. Table 15. BYTE AC Characteristics (1) (TA = 0 to 70 °C or –40 to 85°C; VPP = 12V ± 5%) Symbol Parameter M28F410 / 20 Unit -80 -90 -100 -120 VCC =5V ± 5% VCC =5V ± 10% VCC =5V ± 10% VCC =5V ± 10% SRAM Interface EPROM Interface EPROM Interface EPROM Interface Min Max Min Max Min Max Min Max tELBL Chip Enable Low to BYTE Low 5 555 ns tELBH Chip Enable Low to BYTE High 5 555 ns tBLQV (2) BYTE Low to Output Valid 80 90 100 120 ns tBHQV BYTE High to Output Valid 80 90 100 120 ns tBLQZ BYTE Low to Output Hi-Z 30 35 40 45 ns Notes: 1. Sampled only, not 100% tested. 2. It is equal to tAVQV when measured from DQ15A-1 valid. Table 16. BYTE AC Characteristics (1) (TA = –40 to 125 °C; VPP = 12V ± 5%) 13/38 M28F410, M28F420 |
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