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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UPD30121 датащи(PDF) 49 Page - NEC |
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UPD30121 датащи(HTML) 49 Page - NEC |
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49 / 76 page  Data Sheet U14691EJ1V0DS00 49 µµµµPD30121 (10) Flash memory mode write parameter Parameter Symbol Condition MIN. MAX. Unit Write cycle time tAVAV 150 ns Address setup time (to WR# ↑)tAVWH 75 ns Address setup time (to ROMCS (0:3)# ↓)tAVEL 0ns ROMCS (0:3)# setup time (to WR# ↓)tELWL 10 ns WR# low-level width tWLWH 75 ns ROMCS (0:3)# hold time (from WR# ↑)tWHEH 10 ns Address hold time (from WR# ↑)tWHAX 10 ns WR# high-level width tWHWL 75 ns Address setup time (to WR# ↓)tAVWL 25 ns Data output setup time (to WR# ↑)tDVWH 75 ns Data output hold time (from WR# ↑)tWHDX 10 ns ROMCS (0:3)# (output) WR# (output) Invalid ADD (19:23), ADD (0:8) (output) ADD (9:18) (output) tAVEL tAVWL tWHWL tWLWH tAVWH tAVAV tDVWH tWHDX tELWL tWHEH tWHAX DATA (I/O) Note Note In 32-bit mode: Applied to DATA (16:31)/GPIO (16:31) and DATA (0:15) pins In 16-bit mode: Applied to DATA (0:15) pins |
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