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MAS3691CD 数据表(PDF) 17 Page - Dynex Semiconductor |
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MAS3691CD 数据表(HTML) 17 Page - Dynex Semiconductor |
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17 / 41 page ![]() MA3690/1/3 17/41 Symbol Description Min. Typ. Max. Units t1 CK4 to BUS [B0:B15] VALID 235 nS t2 CK4 to BUS [B0:B15] High Impedance 220 nS t3 B0: B15 set up wrt STROBEN ↑ 15 nS t4 B0: B15 hold wrt STROBEN ↑ 25 t5 VALCRN ↓ to RXCMDN ↓ 3t t6 Pulse width RXCMDN, R/WN, STATENN, 3t BUFENN, CLDN, DLDN, MDTN, CODENN t7 Pulse width STROBEN, GBRN, MDRN, SYNCN, IRQN 1t t7a RXCMDN/R/WN/STATENN/BUFENN/CLDN/DLDN /MDTN, CODENN ↓ to STROBEN 1t t7b As 7a from STROBEN ↑ 1t t8 RXCMDN ↑ to INCMD ↓ 4t t9 INCMDN ↓ to STATENN ↓ 3t t10 VALCRN pulse width 5t t11 VALDRN ↓ to DTRQN ↓ 1t t12 DTRQN ↓ to DTAKN ↓ (RXDATA) 0 3t t13 DTAKN ↓ to BUFENN ↓ 1t 2t t14 DTRQN ↑ to CLDN ↓ 24t t15 CLDN ↑ to GBRN ↓ 15t 16t t16 CLDN ↓ to STATUS valid BUS B0:B15 100 nS t17 CLDN ↑ to STATUS invalid on B0:B15 35 nS t18 DTRQN ↑ to DTAKN ↑ 0 t19 STATENN to CLDN ↓ Non mode data 11t 12t t20 CLDN ↑ to DTRQN ↓ 15t t21 DTRQN ↓ to DTAKN ↓ (TX data) 0 54t t22 VALDRN ↓ to R/WN ↓ 2t 3t t23 MDTN ↓ to CLDN ↓ 24t t24 CLDN ↑ to MDRN ↓ 14t t25 STATENN to CLDN ↓ mode data 11t 12t t26 CLDN ↑ to MDTN ↓ 15t 16t t27 MDTN ↑ to INCMDN ↑ 77t 78t t28 DTRQN ↑ to INCMDN ↑ (non broadcast) 77t 78t t29 DTRQN ↑ to INCMDN ↑ (broadcast) 25t t30 MDTN ↑ to INCMDN ↑ (broadcast) 25t t31 CLDN ↑ to INCMDN ↑ (mode) 11t 12t t32 CLDN ↑ to TXENN ↓ 1t 2t t33 TXENN/PDOUTN/NDOUTN/prop delay difference 6 nS t34 Start of transmission to EOTN ↑ 76t12 t34a End of transmission to EOTN ↓ 82t12 t35 End of transmission to ABORTN ↓ 1) RT1 = 0 RT0 = 0 20 uS 2) RT1 = 0 RT0 = 1 26 uS 3) RT1 = 1 RT0 = 0 48 uS 4) RT1 = 1 RT0 = 1 112 uS t36 Minimum no response timeout 1) RT1 = 0 RT0 = 0 15.75 16.25 uS 2) RT1 = 0 RT0 = 1 21.75 22.25 uS 3) RT1 = 1 RT0 = 0 43.75 44.25 uS 4) RT1 = 1 RT0 = 1 107.75 108.25 uS t37 Remote terminal response time 10.3 11.25 uS t38 Minimum PUCN pulse width 20 nS t39 PUCN ↓ to RESET ↓ 90 nS Figure 12: AC Electrical Characteristics |
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