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SN74ACT2235-30FNR 数据表(PDF) 6 Page - Texas Instruments |
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SN74ACT2235-30FNR 数据表(HTML) 6 Page - Texas Instruments |
6 / 18 page FULLA EMPTYA A0–A8 DAF Q0–Q8 AF/AEA Don’t Care HFA LDCKA UNCKA Don’t Care Word RSTA Word 1 Word 2 Word 257 Word 1 Word 2 Word 257 Word 512 Word 768 Word 1024 Word 513 Word 258 Word 514 Word 768 Word 769 Word 1024 Invalid Invalid Set Flag to Empty + 256/ Full – 256 (default) Empty + 256 Full Half Full Full – 256 Empty Full – 256 Half Full Empty + 256 ‡ † Operation of FIFO B is identical to that of FIFO A. Last valid data stays on outputs when FIFO goes empty due to a read. Load X into Flag Register Set Flag to Empty + X/Full – X (0 X 511) ≤≤ X ‡ 1024 Figure 1. Timing Diagram for FIFO A † |
类似零件编号 - SN74ACT2235-30FNR |
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类似说明 - SN74ACT2235-30FNR |
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