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M440T513Y 데이터시트(PDF) 13 Page - STMicroelectronics |
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M440T513Y 데이터시트(HTML) 13 Page - STMicroelectronics |
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13 / 26 page ![]() 13/26 M440T513Y Figure 13. Clock WRITE Mode AC Waveforms, Chip Enable-Controlled Note: Clock Output Enable (GC) = High Table 5. Memory/Clock WRITE Mode AC Characteristics Note: 1. Valid for Ambient Operating Temperature: TA = –15 to 75°C; VCC = 4.5 to 5.5V (except where noted). 2. CL = 5pF. Symbol Parameter(1) M440T513Y Unit Memory Clock –85 –15 Min Max Min Max tWC tAVAV WRITE Cycle Time 85 150 ns tAW tAVWL Address Valid to WRITE Enable Low 0 0 ns tAW tAVEL Address Valid to Chip Enable Low 0 0 ns tWP tWLWH WRITE Enable Pulse Width 60 100 ns tWP tELEH Chip Enable Low to Chip Enable High 65 150 ns tWR tWHAX WRITE Enable High to Address Transition 5 10 ns tWR tEHAX Chip Enable High to Address Transition 15 10 ns tDS tDVWH Input Valid to WRITE Enable High 35 50 ns tDS tDVEH Input Valid to Chip Enable High 35 50 ns tDH tWHDX WRITE Enable High to Input Transition 5 0 ns tDH tEHDX Chip Enable High to Input Transition 15 0 ns tODW tWLQZ (2) WRITE Enable Low to Output Hi-Z 30 50 ns tAVWH Address Valid to WRITE Enable High 70 150 ns tAVEH Address Valid to Chip Enable High 70 150 ns tOEW tWHQX WRITE Enable High to Output Transition 5 5 ns AI07019 tAVAV tEHAX tDVWH A0-A5 EC WC DQC0-DQC7 VALID tAVEH tAVEL tAVWL tELEH tWHDX DATA INPUT |
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