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AM79C960KCW 数据表(PDF) 91 Page - Advanced Micro Devices |
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AM79C960KCW 数据表(HTML) 91 Page - Advanced Micro Devices |
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91 / 127 page ![]() P R E L I M I N A R Y AMD 1-433 Am79C960 SWITCHING CHARACTERISTICS: BUS MASTER MODE Parameter Symbol Parameter Description Test Conditions Min Max Unit Input/Output Write Timing tIOW1 AEN, SBHE, SA0–9 Setup to ↓ IOW 10 ns tIOW2 AEN, SBHE,SA0–9 Hold After ↑ IOW 5ns tIOW3 IOW Assertion 100 ns tIOW4 IOW Inactive 55 ns tIOW5 SD Setup to ↑ IOW 10 ns tIOW6 SD Hold After ↑ IOW 10 ns tIOW7 ↓ IOCHRDY Delay From ↓ IOW 035 ns tIOW8 IOCHRDY Inactive 125 ns tIOW9 ↑IOCHRDY to ↑ IOW 0ns Input/Output Read Timing tIOR1 AEN, SBHE, SA0–9 Setup to ↓ IOR 15 ns tIOR2 AEN, SBHE,SA0–9 Hold After ↑ IOR 5ns tIOR3 IOR Inactive 55 ns tIOR4 SD Hold After ↑ IOR 020 ns tIOR5 SD Valid From ↓ IOR 0 110 ns tIOR6 ↓ IOCHRDY Delay From ↓ IOR 035 ns tIOR7 IOCHRDY Inactive 125 ns tIOR8 SD Valid From ↑ IOCHRDY –130 10 ns I/O To Memory Command Inactive tIOM1 ↑ IOW/MEMW to ↓ (S)MEMR/IOR 55 ns tIOM2 ↑ (S)MEMR/IOR to ↓ IOW/MEMW 55 ns IOCS16 Timing tIOCS1 AEN, SBHE, SA0–9 to ↓ IOCS16 035 ns tIOCS2 AEN, SBHE, SA0–9 to IOCS16 Tristated 0 25 ns Master Mode Bus Acquisition tMMA1 REF Inactive to ↓ DACK 5ns tMMA2 ↑ DRQ to ↓ DACK 0ns tMMA3 DACK Inactive 55 ns tMMA4 ↓ DACK to ↓ MASTER 35 ns tMMA5 ↓ MASTER to Active Command, 125 185 ns SBHE, SA0–19, LA17–23 |
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