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K4N56163QF-GC37 Datasheet(PDF) 9 Page - Samsung semiconductor |
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K4N56163QF-GC37 Datasheet(HTML) 9 Page - Samsung semiconductor |
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9 / 73 page  - 9 - Rev 1.6 (Apr. 2005) 256M gDDR2 SDRAM K4N56163QF-GC Differential input AC logic Level Notes: 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 VIH(AC) - VIL(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. Differential AC output parameters Note : 1. The typical value of VOX(AC) is expected to be about 0.5 * VDDQ of the transmitting device and VOX(AC) is expected to track varia- tions in VDDQ . VOX(AC) indicates the voltage at which differential output signals must cross. 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 Symbol Parameter Min. Max. Units Note VOX(AC) AC differential cross point voltage 0.5 * VDDQ - 0.125 0.5 * VDDQ + 0.125 V 1 VDDQ Crossing point VSSQ VTR VCP VID VIX or VOX < Differential signal levels > |
Similar Part No. - K4N56163QF-GC37 |
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Similar Description - K4N56163QF-GC37 |
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