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AM79C960KC датащи(PDF) 93 Page - Advanced Micro Devices |
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AM79C960KC датащи(HTML) 93 Page - Advanced Micro Devices |
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93 / 127 page ![]() P R E L I M I N A R Y AMD 1-435 Am79C960 SWITCHING CHARACTERISTICS: BUS MASTER MODE (continued) Parameter Symbol Parameter Description Test Conditions Min Max Unit Master Mode Address PROM Read tMA1 ↓ IOR to ↓ APCS 125 260 ns tMA2 APCS Active 140 155 ns tMA3 PRDB Setup to ↑ APCS 20 ns tMA4 PRDB Hold After ↑ APCS 0ns tMA5 ↑ APCS to ↑ IOCHRDY 45 65 ns tMA6 SD Valid From ↑ IOCHRDY 0 10 ns Master Mode Boot PROM Read tMB1 REF, SBHE,SA0–19 Setup to ↓ SMEMR 10 ns tMB2 REF, SBHE,SA0–19 Hold ↑ SMEMR 5ns tMB3 ↓ IOCHRDY Delay From ↓ SMEMR 035 ns tMB4 SMEMR Inactive 55 ns tMB5 ↓ SMEMR to ↓ BPCS 125 260 ns tMB6 BPCS Active 140 155 ns tMB7 ↑ BPCS to ↑ IOCHRDY 45 65 ns tMB8 PRDB Setup to ↑ BPCS 20 ns tMB9 PRDB Hold After ↑ BPCS 0ns tMB10 SD Valid From ↑ IOCHRDY 0 10 ns tMB11 SD Hold After ↑ SMEMR 020 ns Notes: 1. EXTIME is 100 ns when ISACSR2, bit 4, is cleared (default). EXTIME is 0 ns when ISACSR2, bit 4, is set. 2. MSRDA and MSWDA are parameters which are defined in registers ISACSR0 and ISACSR1, respectively. |
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