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AM79C960KCW датащи(PDF) 97 Page - Advanced Micro Devices |
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AM79C960KCW датащи(HTML) 97 Page - Advanced Micro Devices |
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97 / 127 page ![]() P R E L I M I N A R Y AMD 1-439 Am79C960 SWITCHING CHARACTERISTICS: EADI Parameter Symbol Parameter Description Test Conditions Min Max Unit tEAD1 SRD Setup to ↑ SRDCLK 40 ns tEAD2 SRD Hold to ↑ SRDCLK 40 ns tEAD3 SF/BD Change to ↓ SRDCLK –15 +15 ns tEAD4 EAR Deassertion to ↑ SRDCLK (First Rising Edge) 50 ns tEAD5 EAR Assertion After SFD Event (Packet Rejection) 0 51,090 ns tEAD6 EAR Assertion 110 ns Note: External Address Detection Interface is invoked by setting bit 3 in ISACSR2 and resetting bit 0 in ISACSR2. External MAU select is not available when EADISEL bit is set. SWITCHING CHARACTERISTICS: JTAG (IEEE 1149.1) INTERFACE Parameter Symbol Parameter Description Test Conditions Min Max Unit tJTG1 TCK HIGH Assertion 20 ns tJTG2 TCK Period 50 ns tJTG3 TDI Setup Before ↑ TCK 5 ns tJTG4 TDI, TMS Hold After ↑ TCK 5 ns tJTG5 TMS Setup Before ↑ TCK 8 ns tJTG6 TDO Active After ↓ TCK 0 30 ns tJTG7 TDO Change After ↓ TCK 0 30 ns tJTG8 TDO Tristate After ↓ TCK 0 25 ns Note: JTAG logic is reset with an internal Power-On Reset circuit independent of Sleep Modes. |
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