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LH28F016SA Fiches technique(PDF) 16 Page - Sharp Corporation |
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LH28F016SA Fiches technique(HTML) 16 Page - Sharp Corporation |
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16 / 36 page ![]() LH28F016SA 16M (1M × 16, 2M × 8) Flash Memory 16 Timing Nomenclature For 3.3 V systems timings are measured from where signals cross 1.5 V. For 5.0V systems use the standard JEDEC crosspoint definitions. Each timing parameter consists of 5 characters. Some common examples are defined below: tCE tELQV time (t) from CE » (E) going low (L) to the outputs (Q) becoming valid (V) tOE tGLQV time (t) from OE » (G) going low (L) to the outputs (Q) becoming valid (V) tACC tAVQV time (t) from address (A) valid (V) to the outputs (Q) becoming valid (V) tAS tAVWH time (t) from address (A) valid (V) to WE » (W) going high (H) tDH tWHDX time (t) from WE » (W) going high (H) to when the data (D) can become undefined (X) PIN CHARACTERS PIN STATES A Address Inputs H High D Data Inputs L Low Q Data Outputs V Valid ECE » (Chip Enable) X Driven, but not necessarily valid GOE » (Output Enable) Z High Impedance W WE (Write Enable) PRP » (Deep Power-Down Pin) RRY »/BY » (Ready/Busy) V Any Voltage Level Y 3/5 » Pin 5 V V CC at 4.5 V Min. 3 V V CC at 3.0 V Min. |
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