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HY5PS121621CFP-C4I 数据表(PDF) 13 Page - Hynix Semiconductor |
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HY5PS121621CFP-C4I 数据表(HTML) 13 Page - Hynix Semiconductor |
13 / 38 page Rev. 0.8 / Oct. 2007 13 1HY5PS12421C(L)FP-xI 1HY5PS12821C(L)FP-xI 1HY5PS121621C(L)FP-xI 3.2.4 Differential Input AC logic Level 3.2.5 Differential AC output parameters Symbol Parameter Min. Max. Units Notes VID (ac) ac differential input voltage 0.5 VDDQ + 0.6 V 1 VIX (ac) ac differential cross point voltage 0.5 * VDDQ - 0.175 0.5 * VDDQ + 0.175 V 2 1. VIN(DC) specifies the allowable DC execution of each input of differential pair such as CK, CK, DQS, DQS, LDQS, LDQS, UDQS and UDQS. 2. VID(DC) specifies the input differential voltage |VTR -VCP | required for switching, where VTR is the true input (such as CK, DQS, LDQS or UDQS) level and VCP is the complementary input (such as CK, DQS, LDQS or UDQS) level. The minimum value is equal to VIH(DC) - V IL(DC). Note: 1. VID(AC) specifies the input differential voltage |VTR -VCP | required for switching, where VTR is the true input signal (such as CK, DQS, LDQS or UDQS) and VCP is the complementary input signal (such as CK, DQS, LDQS or UDQS). The minimum value is equal to V IH(AC) - V IL(AC). 2. The typical value of VIX(AC) is expected to be about 0.5 * VDDQ of the transmitting device and VIX(AC) is expected to track variations in VDDQ . VIX(AC) indicates the voltage at which differential input signals must cross. Symbol Parameter Min. Max. Units Notes VOX (ac) ac differential cross point voltage 0.5 * VDDQ - 0.125 0.5 * VDDQ + 0.125 V 1 Note: 1. The typical value of VOX(AC) is expected to be about 0.5 * V DDQ of the transmitting device and VOX(AC) is expected to track variations in VDDQ . VOX(AC) indicates the voltage at whitch differential output signals must cross. VDDQ Crossing point VSSQ VTR VCP VID VIX or VOX < Differential signal levels > |
类似零件编号 - HY5PS121621CFP-C4I |
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类似说明 - HY5PS121621CFP-C4I |
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