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P4C188-20JMB Datasheet(PDF) 5 Page - Pyramid Semiconductor Corporation |
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P4C188-20JMB Datasheet(HTML) 5 Page - Pyramid Semiconductor Corporation |
5 / 12 page P4C188/188L Page 5 of 12 Document # SRAM112 REV A 12. Transition is measured ±200mV from steady state voltage prior to change with specified loading in Figure 1. This parameter is sampled and not 100% tested. Notes: 9. CE and WE must be LOW for WRITE cycle. 10. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high impedance state. 11. Write Cycle Time is measured from the last valid address to the first transition address. TIMING WAVEFORM OF WRITE CYCLE NO. 1 (WE WE WE WE WE CONTROLLED) (9) AC CHARACTERISTICS - WRITE CYCLE (V CC = 5V ± 10%, All Temperature Ranges) (2) Sym. Parameter -10 -12 -15 -20 -25 -35 -45 Unit Min Min Min Min Min Min Min Max Max Max Max Max Max Max t WC t CW t AW t AS t WP t AH t DW t DH t WZ t DW Write Cycle Time Chip Enable Time to End of Write Address Valid to End of Write Address Set-up Time Write Pulse Width Address Hold Time from End of Write Data Valid to End of Write Data Hold Time Write Enable to Output in High Z Output Active from End of Write 10 7 7 0 8 0 5 0 2 5 12 8 8 0 9 0 6 0 2 6 13 10 10 0 10 0 7 0 2 6 20 13 15 0 13 0 8 0 2 8 25 15 20 0 15 0 10 0 2 35 25 25 0 25 0 15 0 3 15 45 35 35 0 35 0 20 5 3 20 ns ns ns ns ns ns ns ns ns ns 10 |
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