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M48Z128Y Datasheet(PDF) 8 Page - STMicroelectronics |
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M48Z128Y Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 20 page Operating modes M48Z128, M48Z128Y, M48Z128V 8/20 Doc ID 2426 Rev 5 Figure 4. Chip enable or output enable controlled, READ mode AC waveforms Note: WRITE enable (W) = high. Figure 5. Address controlled, READ mode AC waveforms Note: Chip enable (E) and output enable (G) = low, WRITE enable (W) = high. Table 3. READ mode AC characteristics AI01197 tAVAV tAVQV tAXQX tELQV tELQX tEHQZ tGLQV tGLQX tGHQZ DATA OUT A0-A16 E G DQ0-DQ7 VALID AI01078 tAVAV tAVQV tAXQX A0-A16 DQ0-DQ7 VALID DATA VALID Symbol Parameter(1) 1. Valid for ambient operating temperature: TA = 0 to 70 °C; VCC = 4.75 to 5.5 V, 4.5 to 5.5 V, or 3.0 to 3.6 V (except where noted). M48Z128/Y M48Z128/Y/V M48Z128/Y/V Unit –70 –85 –120 Min Max Min Max Min Max tAVAV READ cycle time 70 85 120 ns tAVQV Address valid to output valid 70 85 120 ns tELQV Chip enable low to output valid 70 85 120 ns tGLQV Output enable low to output valid 35 45 60 ns tELQX (2) 2. CL = 5 pF. Chip enable low to output transition 5 5 5 ns tGLQX (2) Output enable low to output transition 3 3 3 ns tEHQZ (2) Chip enable high to output Hi-Z 30 35 45 ns tGHQZ (2) Output enable high to output Hi-Z 20 25 35 ns tAXQX Address transition to output transition 5 5 10 ns |
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