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M48T59 Folha de dados(PDF) 6 Page - STMicroelectronics |
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M48T59 Folha de dados(HTML) 6 Page - STMicroelectronics |
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6 / 21 page ![]() M48T59, M48T59Y, M48T59V 6/21 Table 9. Read Mode AC Characteristics (TA = 0 to 70 °C or –40 to 85 °C; VCC = 4.75V to 5.5V or 4.5V to 5.5V or 3.0V to 3.6V) Note: 1. CL = 100pF (see Fig 4). 2. CL = 5pF (see Fig 4). Symbol Parameter M48T59/M48T59Y/M48T59V Unit -70 Min Max tAVAV Read Cycle Time 70 ns tAVQV (1) Address Valid to Output Valid 70 ns tELQV (1) Chip Enable Low to Output Valid 70 ns tGLQV (1) Output Enable Low to Output Valid 35 ns tELQX (2) Chip Enable Low to Output Transition 5 ns tGLQX (2) Output Enable Low to Output Transition 5 ns tEHQZ (2) Chip Enable High to Output Hi-Z 25 ns tGHQZ (2) Output Enable High to Output Hi-Z 25 ns tAXQX (1) Address Transition to Output Transition 10 ns Figure 6. Read Mode AC Waveforms. Note: Write Enable (W) = High. AI01385 tAVAV tAVQV tAXQX tELQV tELQX tEHQZ tGLQV tGLQX tGHQZ VALID A0-A12 E G DQ0-DQ7 VALID |
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