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M48T35 数据表(PDF) 9 Page - STMicroelectronics |
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M48T35 数据表(HTML) 9 Page - STMicroelectronics |
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9 / 28 page ![]() M48T35, M48T35Y Operation modes Doc ID 2611 Rev 10 9/28 If the address inputs are changed while E and G remain active, output data will remain valid for output data hold time (tAXQX) but will go indeterminate until the next address access. Figure 5. READ mode AC waveforms Note: WRITE enable (W) = high. Table 3. READ mode AC characteristics Symbol Parameter(1) 1. Valid for ambient operating temperature: TA = 0 to 70 or –40 to 85 °C; VCC = 4.75 to 5.5 V or 4.5 to 5.5 V (except where noted). M48T35/Y Unit Min Max tAVAV READ cycle time 70 ns tAVQV Address valid to output valid 70 ns tELQV Chip enable low to output valid 70 ns tGLQV Output enable low to output valid 35 ns tELQX (2) 2. CL = 5 pF. 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 Address transition to output transition 10 ns AI00925 tAVAV tAVQV tAXQX tELQV tELQX tEHQZ tGLQV tGLQX tGHQZ VALID A0-A14 E G DQ0-DQ7 VALID |
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