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USB245 数据表(PDF) 2 Page - List of Unclassifed Manufacturers |
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USB245 数据表(HTML) 2 Page - List of Unclassifed Manufacturers |
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2 / 6 page ![]() Timing Information FIFO READ CYCLE T5 T6 RXF# T1 T2 RD# T3 T4 D0-D7 Min Max Unit T1 RD Active Pulse Width 50 ns T2 RD to RD Pre-Charge Time 50 ns T3 RD Active to Valid Data 30 ns T4 Valid Data Hold from RD inactive 10 ns T5 RD Inactive to RXF# 5 25 ns T6 RXF# Inactive after RD cycle 80 ns FIFO WRITE CYCLE T12 T11 TXE# T7 T8 WR T9 T10 D0-D7 T7 WR Active Pulse Width 50 ns T8 WR to WR Pre-Charge Time 50 ns T9 Data Setup Time Before WR Inactive 20 ns T10 Data Hold Time from WR Inactive 10 ns T11 WR inactive to TXE# 5 25 ns T12 TXE# inactive after RD cycle 80 ns |
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